DRP048V480W1BN

TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Highlights & Features • • • • • • • • • Universal AC input voltage range Power will not de-rate for the entire input voltage range Power Boost of 150% for 5 seconds and 200% for 2 seconds Full corrosion resistant aluminium casing Conforms to harmonic current IEC/EN 61000-3-2, Class A Extreme low temperature cold start at -40°C Conformal coating on PCBAs to protect against common dust and chemical pollutants Hazardous Locations approval to ATEX and Class I, Div 2 (DRP048V480W1BA) Certified according to IEC/EN/UL 62368-1 Safety Standards CB Certified for worldwide use Model Number: DRP048V480W1B Unit Weight: 1.37 kg (3.02 lb) Dimensions (L x W x D): 121 x 144 x 118.6 mm (4.76 x 5.67 x 4.67 inch) General Description The CliQ II DIN rail power supply series from one of the world’s leading power supply companies, Delta Electronics Group, offers output voltage of 48 V. These products are encased in rugged yet lightweight full aluminium body that can withstand shock and vibration according to IEC 60068-2 standard. The DRP048V480W1B can operate over a wide temperature range of -25°C to +75°C. The series of single phase products also features universal AC input voltage range from 85 Vac to 264 Vac and the power will not de-rate throughout the entire range. Another great feature is the conformal coating on the PCBA which allows selected models to be certified to ATEX and Class I, Div 2 for use in hazardous locations. The design conforms to harmonic current emission IEC/EN 61000-3-2, Class A. Model Information CliQ II DIN Rail Power Supply Model Number Input Voltage Range Rated Output Voltage Rated Output Current DRP048V480W1B 85-264 Vac (120-375 Vdc) 48 Vdc 10.0 A Model Numbering DR P 048V 480W 1 B  DIN Rail Power Supply Output Voltage Output Power Single Phase CliQ II Series A - Metal Case, with Class I, Div 2 N - Metal Case, without Class I, Div 2 1 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Specifications Input Ratings / Characteristics Nominal Input Voltage 100-240 Vac Input Voltage Range 85-264 Vac Nominal Input Frequency 50-60 Hz Input Frequency Range 47-63 Hz DC Input Voltage Range* 120-375 Vdc Input Current < 5.00 A @ 115 Vac, < 3.00 A @ 230 Vac Efficiency at 100% Load > 91.0% @ 115 Vac, > 93.0% @ 230 Vac Max Power Dissipation 0% load 100% load < 5 W @ 115 Vac & 230 Vac < 46.5 W @ 115 Vac, < 34.5 W @ 230 Vac Max Inrush Current < 35 A @ 115 Vac & 230 Vac Power Factor at 100% Load > 0.96 @ 115 Vac, > 0.90 @ 230 Vac Leakage Current < 3 mA @ 240 Vac *Fulfills test conditions for DC input. Safety approval for DC input can be obtained upon request. Output Ratings / Characteristics** Nominal Output Voltage 48 Vdc Factory Set Point Tolerance 48 Vdc ± 1% Output Voltage Adjustment Range 48-56 Vdc Output Current 10.0 A (continuously operating at 48 V) 15.0 A (Power Boost for 5 seconds at 48 V, refer to the details in the Functions section) Output Power 480 W (continuously operating at 48 V) 720 W (Power Boost for 5 seconds at 48 V, refer to the details in the Functions section) Line Regulation < 0.5% (@ 85-264 Vac input, 100% load) Load Regulation < 1.0% (@ 85-264 Vac input, 0-100% load) PARD*** (20 MHz) < 200 mVpp Rise Time < 350 ms @ nominal input (100% load) Start-up Time < 1,500 ms @ nominal input (100% load) Hold-up Time > 20 ms @ 115 Vac & 230 Vac (100% load) Dynamic Response (Overshoot & Undershoot O/P Voltage) ± 2% @ 85-264 Vac input, 10-90% load (Slew Rate: 0.1 A/μs, 50% duty cycle @ 5 Hz to 1 KHz) Start-up with Capacitive Loads 10,000 µF Max **For power de-rating from > 50°C to 75°C, see power de-rating on page 3. *** PARD is measured with an AC coupling mode, 5 cm wires, and in parallel with 0.1 μF ceramic capacitor & 47 μF electrolytic capacitor. 2 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Mechanical Case Cover / Chassis Aluminium Dimensions (L x W x D) 121 x 144 x 118.6 mm (4.76 x 5.67 x 4.67 inch) Unit Weight 1.37 kg (3.02 lb) Indicator Green LED Cooling System Terminal Wire DC OK Convection Input 3 Pins (Rated 300 V / 30 A) Output 4 Pins (Rated 300 V / 30 A) Input AWG 18-10 Output AWG 16-10 Mounting Rail Standard TS35 DIN Rail in accordance with EN 60715 Noise (1 Meter from power supply) Sound Pressure Level (SPL) < 25 dBA Environment Surrounding Air Temperature Operating Storage Power De-rating Temperature -25°C to +75°C (Cold Start at -40°C) -40°C to +85°C > 50°C de-rate power by 2.5% / °C, > 70°C de-rate power by 5% / °C Operating Humidity 5 to 95% RH (Non-Condensing) Operating Altitude 0 to 2,500 Meters (8,200 ft.) Shock Test Non-Operating IEC 60068-2-27, 30 G (300 m/s²) for a duration of 18 ms, 1 time per direction, 2 times in total Vibration Non-Operating IEC 60068-2-6, 10 Hz to 500 Hz @ 30 m/s² (3 G peak); 60 min per axis for all X, Y, Z direction Bump Test Operating IEC 60068-2-29, Half Sine Wave: 10 G for a duration of 11 ms, 1,000 times per direction, 6,000 times in total Over Voltage Category III Pollution Degree 2 According to IEC/EN 62477-1 / EN 60204-1 (clearance and creepage distances) and IEC 62103 (safety part) Protections Overvoltage < 57 V, SELV Output, Hiccup Mode, Non-Latching (Auto-Recovery) Overload / Overcurrent > 150% of rated load current, Hiccup Mode, Non-Latching (Auto-Recovery) Over Temperature < 80°C Surrounding Air Temperature @ 100% load, Non-Latching (Auto-Recovery) Short Circuit Hiccup Mode, Non-Latching (Auto-Recovery when the fault is removed) Transient Surge Voltage Protection MOV (Metal Oxide Varistor) Internal Fuse at L pin T8AH Degree of Protection IP20 Protection Against Shock Class I with PE* connection *PE: Primary Earth 3 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Reliability Data MTBF > 500,000 hrs. as per Telcordia SR-332 I/P: 115Vac, O/P: 100% load, Ta: 25°C Expected Cap Life Time 10 years (115 Vac & 230 Vac, 50% load @ 40°C) Safety Standards / Directives Electrical Equipment of Machines EN/BS EN 60204-1 (over voltage category III) Electrical Equipment for Use in Electrical Power Installations IEC/EN/BS EN 62477-1 / IEC 62103 Safety Entry Low Voltage SELV (IEC 60950-1) Overvoltage on Telecommunication Networks TNV-1 circuit Electrical Safety SIQ Bauart UL/cUL recognized CB scheme UKCA Industrial Control Equipment UL/cUL listed CSA Hazardous Location / ATEX (For DRP048V480W1BA) cCSAus ATEX UL 60950-1 and CSA C22.2 No. 60950-1 (File No. E191395) UL 62368-1 and CSA C22.2 No. 62368-1 (File No. E191395) IEC 60950-1, IEC 62368-1 BS EN 62368-1 UL 508 and CSA C22.2 No. 107.1-01 (File No. E315355) CSA C22.2 No. 107.1-01 (File No. 181564) CSA C22.2 No. 213-M1987 and ANSI / ISA 12.12.01:2007 [Class I, Division 2, Group A, B, C, D T4, Ta= -25°C to +75°C (Vertical: > +50°C derating)] EN 60079-0:2009, EN 60079-15:2010 [ II 3G Ex nA nC IIC T4 Gc, Ta= -25°C to +75°C (Vertical: > +50°C derating)] Certificate No. EPS 12 ATEX 1 491 X IS 13152-1 BIS CE In conformance with EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU UKCA Galvanic Isolation 4 EN 62368-1 Input to Output For DRP048V480W1BA: In conformance with Equipment for explosive atmospheres (ATEX) directive 2014/34/EU In conformance with Electrical Equipment (Safety) Regulations 2016 No. 1011 and The Electromagnetic Compatibility Regulations 2016 No. 1091 4.0 KVac Input to Ground 1.5 KVac Output to Ground 1.5 KVac All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B EMC Emissions (CE & RE) Generic Standards: CISPR 32, EN/BS EN 55032, CISPR 11, EN/BS EN 55011, FCC Title 47: Class B Component Power Supply for General Use EN/BS EN 61204-3 Immunity Generic Standards: EN/BS EN 55024, EN/BS EN 61000-6-2 Electrostatic Discharge IEC 61000-4-2 Level 4 Criteria A1) Air Discharge: 15 kV Contact Discharge: 8 kV Radiated Field IEC 61000-4-3 Level 3 Criteria A1) 80 MHz – 1 GHz, 10 V/M, 80% modulation (1 kHz) Electrical Fast Transient / Burst IEC 61000-4-4 Level 3 Criteria A1) 2 kV Surge IEC 61000-4-5 Level 3 Criteria A1) Common Mode3): 2 kV Differential Mode4): 1 kV Conducted IEC 61000-4-6 Level 3 Criteria A1) 150 kHz – 80 MHz, 10 Vrms Power Frequency Magnetic Fields IEC 61000-4-8 Criteria A1) 10A/Meter Voltage Dips and Interruptions IEC 61000-4-11 0% of 100 Vac, 20 ms 40% of 100 Vac, 200 ms 70% of 100 Vac, 500 ms 0% of 100 Vac, 5000 ms 0% of 240 Vac, 20 ms 40% of 240 Vac, 200 ms 70% of 240 Vac, 500 ms 0% of 240 Vac, 5000 ms Low Energy Pulse Test (Ring Wave) IEC 61000-4-12 Level 3 Criteria A1) Common Mode3): 2 kV Differential Mode4): 1 kV Criteria A1) Criteria B2) Criteria B2) Criteria B2) Criteria A1) Criteria A1) Criteria A1) Criteria B2) Harmonic Current Emission IEC/EN/BS EN 61000-3-2, Class A Voltage Fluctuation and Flicker IEC/EN/BS EN 61000-3-3 1) Criteria A: Normal performance within the specification limits 2) Criteria B: Temporary degradation or loss of function which is self-recoverable 3) Asymmetrical: Common mode (Line to earth) 4) Symmetrical: Differential mode (Line to line) 5 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Block Diagram 6 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Device Description 1) 2) 3) 4) 5) Input terminal block connector Output terminal block connector DC Voltage adjustment potentiometer DC OK control LED (Green) Universal mounting rail system Dimensions L x W x D: 121 x 144 x 118.6 mm (4.76 x 5.67 x 4.67 inch) 7 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Engineering Data Output Load De-rating VS Surrounding Air Temperature Note 1. 2. 3. Fig. 1 De-rating for Vertical Mounting Orientation > 50°C de-rate power by 2.5% / °C, > 70°C de-rate power by 5% / °C 4. 5. Power supply components may degrade, or be damaged, when the power supply is continuously used outside the shaded region, refer to the graph shown in Fig. 1. If the output capacity is not reduced when the surrounding air temperature exceeds its specification as defined on Page 3 under “Environment”, the device will run into Over Temperature Protection. When activated, the output voltage will go into bouncing mode and will recover when the surrounding air temperature is lowered or the load is reduced as far as necessary to keep the device in working condition. In order for the device to function in the manner intended, it is also necessary to keep a safety distance as recommended in the safety instructions while the device is in operation. Depending on the surrounding air temperature and output load delivered by the power supply, the device can be very hot! If the device has to be mounted in any other orientation, please contact info@deltapsu.com for more details. Output Load De-rating VS Input Voltage  8 No output power de-rating across the entire input voltage range All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Assembly & Installation The power supply unit (PSU) can be mounted on 35 mm DIN rails in accordance with EN 60715. The device should be installed with input terminal block on the left side. Each device is delivered ready to install. 1. 2. 3. 4. 5. Tilt the unit upwards and insert it onto the DIN rail. Snap on the DIN rail as shown in Fig. 2.1. Push downwards until stopped. Press against the bottom front side for locking. Shake the unit slightly to ensure that it is secured. To uninstall, pull or slide down the latch with screw driver as shown in Fig. 2.2. Then slide the power supply unit (PSU) in the opposite direction, release the latch and pull out the power supply unit (PSU) from the rail. Mounting Dismounting Fig. 2.1 Mounting Fig. 2.2 Dismounting In accordance to EN 60950 / UL 60950 and EN 62368 / UL 62368, flexible cables require ferrules. Use appropriate copper cables designed to sustain operating temperature of: 1. 60°C, 60°C / 75°C for USA 2. At least 75°C for ambient not exceeding 60°C, and 90°C for ambient exceeding 60°C for Canada. 9 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Safety Instructions  Vertical Mounting • ALWAYS switch mains of input power OFF before connecting and disconnecting the input voltage to the unit. If mains are not turned OFF, there is risk of explosion / severe damage. To guarantee sufficient convection cooling, keep a distance of 50 mm (1.97 inch) above and below the device as well as a lateral distance of 20 mm (0.79 inch) to other units. Note that the enclosure of the device can become very hot depending on the surrounding air temperature and load of the power supply. Risk of burns! Only plug in and unplug connectors when power is turned off! DO NOT insert any objects into the unit. Hazardous voltages may be present for up to 5 minutes after the input mains voltage is disconnected. Do not touch the unit during this time. The power supplies are built in units and must be installed in a cabinet or room (condensation free environment and indoor location) that is relatively free of conductive contaminants. CAUTION: “For use in a controlled environment”. • • • • • • • For DRP048V480W1BA: • The power supplies unit must be installed in an IP54 enclosure or cabinet in the final installation. The enclosure or cabinet must comply with EN 60079-0 or EN 60079-15. • Warning: Explosion Hazard - Substitution of components may impair suitability for Class I, Division 2. • Warning: Explosion Hazard - Do not disconnect equipment or adjust potentiometer unless the power has been switched off or the area is known to be non-hazardous. 10 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Functions  Graph illustrating the Start-up Time, Rise Time, and Hold-up Time Start-up Time The time required for the output voltage to reach 90% of its final steady state set value, after the input voltage is applied. Rise Time The time required for the output voltage to change from 10% to 90% of its final steady state set value. Hold-up Time Time between the collapse of the AC input voltage, and the output falling to 95% of its steady state set value. Inrush Current Dynamic Response Inrush current is the peak, instantaneous, input current measured and, occurs when the input voltage is first applied. For AC input voltages, the maximum peak value of inrush current will occur during the first half cycle of the applied AC voltage. This peak value decreases exponentially during subsequent cycles of AC voltage. The power supply output voltage will remains within ±2% of its steady state value, when subjected to a dynamic load from 10% to 90% of its rated current. 11  50% duty cycle / 5 Hz to 1 KHz All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Power Boost Power Boost is the reserve power available constantly that allows reliable startup to support sudden and short spike of loads with high inrush current typically during turn on to remove the need of more expensive higher rated power supply unit. After the output has reached its steady state set value, the power supply can support surge loads with a higher short-term power demand up to 150% of maximum rated load (IO Max), for a maximum duration of 5 seconds. The Power Boost is also available to repeatedly basis with according to the condition of an average (R.M.S) output power shall not exceed continuous operating condition or refer to duty cycle calculation below. Fig. 3 𝐷𝐷𝐷𝐷𝐷𝐷𝐷𝐷 𝑐𝑐𝑐𝑐𝑐𝑐𝑐𝑐𝑐𝑐 (%) = Duty Cycle Calculation 𝑇𝑇𝑃𝑃 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇 𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴 𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 (𝑃𝑃𝐴𝐴𝐴𝐴𝐴𝐴 ) = OR 𝑁𝑁𝑁𝑁𝑁𝑁-𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 = (𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 𝐵𝐵𝐵𝐵𝐵𝐵𝐵𝐵𝐵𝐵 × 𝑇𝑇𝑃𝑃 ) + (𝑁𝑁𝑁𝑁𝑁𝑁-𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 × 𝑇𝑇𝑁𝑁 ) 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇 �𝑃𝑃𝐴𝐴𝐴𝐴𝐴𝐴 × 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇� − (𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 𝐵𝐵𝐵𝐵𝐵𝐵𝐵𝐵𝐵𝐵 × 𝑇𝑇𝑃𝑃 ) 𝑇𝑇𝑁𝑁 An example of Power Boost and Average Output Power  Power Boost Peak Power (WP) Power Boost Duration (TP) Duty Cycle Non-Peak Power (WN) Non-Peak Power Duration (TN) Total Time (T) 150% 720 5 sec 10% 453 W 45 sec 50 sec 150% 720 5 sec 35% 351 W 9.3 sec 14.3 sec 120% 576 10 sec 20% 456 W 40 sec 50 sec 120% 576 10 sec 35% 428 W 18.5 sec 28.5 sec It is not recommended to prolong the duration of Power Boost to be longer than the specified duty cycle calculation, this may cause damage to the PSU. External Input Protection Device The unit is protected with internal fuse (not replaceable) at L pin and it has been tested and approved on 20 A (UL) and 16 A (IEC) branch circuits without additional protection device. An external protection device is only required if the supplying branch has an ampacity greater than above. Thus, if an external protective device is necessary, or, utilized, please refer a minimum value in instruction sheet with 10 A B- or 8 A C- characteristic breaker. 12 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Overload & Overcurrent Protections (Auto-Recovery) Overvoltage Protection (Auto-Recovery) The power supply’s Overload (OLP) and Overcurrent (OCP) Protections will be activated when output current (IO) exceeds its specification as defined on Page 3 under “Protections”. In such occurrence, the output voltage (VO) will start to droop and once the power supply has reached its maximum power limit, the protection is activated and the power supply will go into “Hiccup mode” (AutoRecovery). The power supply will recover once the fault condition of the OLP and OCP is removed and IO is back within the specifications. The power supply’s overvoltage circuit will be activated when its internal feedback circuit fails. The output voltage shall not exceed its specifications defined on Page 3 under “Protections”. Over Temperature Protection (Auto-Recovery) It is not recommended to prolong the duration of IO when it is less than OLP/OCP point, but greater than 100%, since it may cause damage to the PSU. As described in load de-rating section, the power supply also has Over Temperature Protection (OTP). In the event of a higher operating temperature at 100% load, the power supply will run into OTP when the operating temperature is beyond what is recommended in the de-rating graph. When activated, the output voltage will go into bouncing mode until the temperature drops to its normal operating temperature as recommended in the de-rating graph. Short Circuit Protection (Auto-Recovery) The power supply’s output OLP/OCP function also provides protection against short circuits. When a short circuit is applied, the output current will operate in “Hiccup mode”, as shown in the illustration in the OLP/OCP section on this page. The power supply will return to normal operation after the short circuit is removed. 13 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Operating Mode  Redundant Operation In order to ensure proper redundant operation for the power supply units (PSUs), the output voltage difference between the two units must be kept at 0.90~1.00 V for these 48 V supplies. Follow simple steps given below to set them up for the redundant operation: Step 1. Measure output voltage of PSU 1 and PSU 2. If PSU 1 is the master unit, then VO of PSU 1 must be higher than PSU 2. In order to set the output voltage, individually connect each power supply to 50% of rated load at any line voltage, and set the PSU 1 and PSU 2 output voltage. Step 2. Connect the power supply units PSU 1 and PSU 2 to Vin 1 & Vin 2, respectively, of the DRR-20N (or 20A) module shown on the right of above diagram. **The Signal GND in the DRR module is for the built-in LED and DC OK signals. The Output GND terminals from the two PSU’s do not need to be connected to the Signal GND terminal. Fig. 4 Redundant Operation Connection Diagram Fig. 5 Parallel Operation Connection Diagram Step 3. Connect the system load to Vout. Please note that output voltage Vout from DRR module will be = VO (output voltage of power supply) – Vdrop* (in DRR module). *Vdrop will vary from 0.60 V to 0.90 V (Typical 0.65 V) depending on the load current and surrounding air temperature.  Parallel Operation The power supply units (PSUs) can also be used for parallel operation in order to increase the output power. The difference in output voltage between the two units must be kept to within 25 mV of each other. This difference must be verified with the same output load connected independently to each unit. Parameters such as EMI, inrush current, leakage current, PARD, start up time will be different from those on the datasheet, when two units are connected in parallel. The user will need to verify that any differences will still allow the two power supplies connected in parallel will work properly in their product/application. 14 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Fig. 6  Series Operation Connection Diagram Series Operation Delta's CliQ II can be connected in series to increase the output voltage as shown in figure above. Power supply from the same product series only be used and with the same rated output current. The maximum load current should not exceed the smallest rated output current. Any number of power supplies can be connected in series, user must note that output voltage > 60 Vdc will not meet SELV requirements and could be hazardous to user the total voltage shall not exceed 150 Vdc. Installing a protection against the touching is must and connect the output ground to earth when output voltage is not SELV. A diode in reverse bias must be added across output terminals of each power supply, this is to prevent -V voltage being applied to other power supply in fault conditions such as short circuit across load. During short circuit -V1 & +V1 will come across +V2 & -V2 which means connecting 2 power supplies in opposite polarity and may cause damage to the power supply. With reverse bias diodes in place the voltage across each power supply will be restricted to one diode drop – approximately 0.7 V to 1.0 V. It is recommended to provide sufficient de-rating for diodes hence it is recommended to use 2 times the voltage rating of the output voltage or equal to the rating of series output depending which is higher, e.g. 48 V power supply can use 96 V rated diode which is equal to two 48 V power supplies connected in series OR a 48 V power supply adjusted to 56 V output will see 56 V + 56 V = 112 V, in this case reverse voltage rating of diode shall be > 112 V. During the short circuit condition, the current through diodes will be large, hence it is recommended that diodes to be least twice the current rating of the power supply. The turn ON would be non-monotonic as the power supply with the fastest startup time and rise time will turn on first. As a result, the startup waveform with 2 power supplies connected in series would see a step. User must consider to verify parameters such as EMI, inrush current, leakage current, PARD, startup time would differ from datasheet numbers as multiple power supplies in series. 15 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Fig. 7  DC Input Operation Connection Diagram DC Input Operation Step 1. Use a battery or similar DC source. Step 2. Connect +pole to L and -pole to N. Step 3. Connect the PE terminal to an earth wire or to the machine ground. Fig. 8  2 of 3 Phase System Input Operation Connection Diagram 2 of 3 Phase System Input Operation Delta’s CliQ II can use on 2 of 3 phase system. Please refer to the following step. Step 1. The input voltage applied from Line to Neutral is below the maximum rated input. The input voltage shall be below 240 Vac +10%. Step 2. The external protector is needed on N (Neutral) input line to secure a safety. N line does not have internal fuse protection. An appropriate fuse or circuit breaker should be connected in series with N input line connection like the following. 16 All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08) TECHNICAL DATASHEET CliQ II DIN Rail Power Supply 48 V 480 W 1 Phase / DRP048V480W1B Others Conformal Coating The Protective Coating Technology Delta Electronics Group has designed the perfect dipping technique which penetrates everywhere including under device, and prevents leakage. The conformal coating dipping can be applied to PCBAs or circuit board. The coating preserves the performance of precision electronic primarily by preventing ionizable contaminants such as salt from reaching circuit nodes, where the material slumps around sharp edges. This can be a problem especially in highly conversing atmosphere. PFC – Norm EN 61000-3-2 Line Current Harmonic content Typically, the input current waveform is not sinusoidal due to the periodical peak charging of the input capacitor. In industrial environment, complying with EN 61000-3-2 is only necessary under special conditions. Complying to this standard can have some technical drawbacks, such as lower efficiency as well as some commercial aspects such as higher purchasing costs. Frequently, the user does not profit from fulfilling this standard, therefore, it is important to know whether it is mandatory to meet this standard for a specific application. Attention Delta provides all information in the datasheets on an “AS IS” basis and does not offer any kind of warranty through the information for using the product. In the event of any discrepancy between the information in the catalog and datasheets, the datasheets shall prevail (please refer to www.DeltaPSU.com for the latest datasheets information). Delta shall have no liability of indemnification for any claim or action arising from any error for the provided information in the datasheets. Customer shall take its responsibility for evaluation of using the product before placing an order with Delta. Delta reserves the right to make changes to the information described in the datasheets without notice. Manufacturer and Authorized Representatives Information Manufacturer Thailand Delta Electronics (Thailand) PCL. 909 Pattana 1 Rd., Muang, Samutprakarn, 10280 Thailand Taiwan Delta Electronics, Inc. 3 Tungyuan Road, Chungli Industrial Zone, Taoyuan County 32063, Taiwan Authorized Representatives The Netherlands Delta Greentech (Netherlands) B.V. Zandsteen 15, 2132 MZ Hoofddorp, The Netherlands 17 United Kingdom Delta Electronics Europe Limited 1 Redwood Court, Peel Park Campus, East Kilbride, Glasgow, G74 5PF, United Kingdom All parameters are specified at 25°C ambient and AC input unless otherwise indicated. www.DeltaPSU.com (September 2021, Rev. 08)