Embedded Power for Business-Critical Continuity
NLP250-DC Series
Single Output
Total Power: 250 W Input Voltage: 38 - 60 Vdc # of Outputs: Single
Rev.4.20.09_129 NLP250-DC Series 1 of 4
Special Features
• -48 Vdc Input • 250 W on main channel with forced air • Low profile fits 1U applications • U-Channel for maximum thermal performance • 5 V standby output • 12 V fan output • Integrated control and monitoring features • Overcurrent, overvoltage and overtemperature protection • Compliance to EN55022-B conducted noise standard • RoHS compliant • 2 year warranty
Electrical Specifications
Input
Input voltage range: Input surge current: Input voltage protection: Input current: Input fuse: -48 Vdc Nominal 60 Vdc (cold start) Reverse polarity protected -48 Vdc @ 250 W UL/IEC127 200 LFM forced air Main output Auxiliary outputs -48 Vdc Input Main output 50 - 100% Step at 0.5 A/µs Main output Cyclic operation Singles 5 Vsb 12 V (fan) 38 - 60 Vdc 40 A max. 7A T6.4 AH, 250 Vac 250 watts ± 2.0% ± 5.0% 2.0 s max. 5.0% or 250 mV max. dev., 1 ms max recovery to 1% ±0.04%/°C 115%, ± 5% Continuous 0 A 5 V @ 1.0 A 12 V @ 1.5 A
Output
Maximum power: Total regulation: (line and load) Turn-on delay: Transient response:
Temperature coefficient: Overvoltage protection: Short circuit protection: Minimum output current: Auxiliary outputs: (See Note 8, page 3)
Safety
• • • • • • VDE0805/EN60950-1 IEC950/IEC60950-1 UL/cUL 60950-1 CSA-C22.2 60950-1 CB Certificate CE Mark (LVD)
All specifications are typical at nominal input, full load at 25 °C unless otherwise stated
Embedded Power for Business-Critical Continuity
Rev.4.20.09_129 NLP250-DC Series 2 of 4
EMC Characteristics (5)
Conducted emissions: EN55022, FCC part 15 CISPR22, GR-1089 Core, ETSi 300-386 EN61000-4-2 EN61000-4-2 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-6 -48 Vdc Input -48 Vdc @ 250 W Input/output Input/chassis Level B
ESD air: ESD contact: Radiated immunity: Fast transients: Surge: Conducted immunity:
Level 3 Level 3 Level 3 Level 3 Level 3 Level 3 4 ms @ 250 W 85% typ. 1500 Vdc 1500 Vdc 650g (22 oz)
General Specifications
Hold-up time: Efficiency: Isolation voltage: Safety approvals (see note 6, page 3): Weight: MTBF (@25 ºC): Telcordia SR-332
UL/cUL UL60950-1, VDE EN60950-1, CAN/CSA22.2 No. 60950-1 317,000 hours min.
Environmental Specifications
Thermal performance: Operating ambient, (See derating curve) Non-operating 0 °C to 50 °C ambient, 200 LFM forced air 250 LFM with cover 0 °C to 50 °C ambient Convection cooled 50 °C to 70 °C ambient, Convection cooled Relative humidity: Altitude: Vibration: Shock: Non-condensing Operating Non-operating 5-100 Hz Per GR-63-Core Derate linearly to 50% load Per GR-63-Core 10,000 feet max. 30,000 feet max. Per GR-63-Core Zone 4 175 W -40 °C to +85 °C 250 W -5 °C to +70 °C
Embedded Power for Business-Critical Continuity
Rev.4.20.09_129 NLP250-DC Series of 4
Ordering Information
Output Voltage 12 V
Notes
Output Current Min 0 A Max (free air) (1,4) Max (forced air) (2,4) 14.6 A 21 A
Ripple (3) 120 mV
Total Regulation ± 2.0%
Model Numbers (9, 10) NLP250N-48S12J
1 Free air convection. Maximum continuous output power not to exceed 175 W. Refer to Figure 1 for the derating curve. 2 200 LFM (250 LFM with cover) forced air cooling from the longer side. Maximum continuous output power not to exceed 250 W. 3 Figure is peak-to-peak for room temperature rating. Output noise measurements are made across a 20 MHz bandwidth using a 6 inch twisted pair, terminated with a 10 µF tantalum capacitor and a 0.1 µF ceramic capacitor. 4 CAUTION: Allow a minimum of 1 second after disconnecting line power when making thermal measurements. For optimum reliability no part of the heatsink should exceed 115 °C and no semi-conductor case temperature should exceed 120 °C.
5 No external filtering required during conducted emissions testing but some applications may require additional filtering to achieve system compliance. Compliance with radiated EMI specifications may require mounting in a suitable enclosure. 6 This product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. 7 5 V sb (standby) output is available whenever DC input is present, regardless of remote ON/OFF signal status. 12 V (fan) present when main output is present. 8 The ‘J’ suffix indicates that these parts are Pb-free (RoHS 6/6) compliant. 9 NOTICE: Please contact your local Emerson representative or visit our website at http://www.PowerConversion.com.
Mechanical Drawing
J1 2 1 3 1 TER2 TER1 J2
1.50
7.00
.75
5.50
4 x 6-32 UNC 2-B 3/16 MAX DEPTH
.75
2.50
4.00
Embedded Power for Business-Critical Continuity
Derating Curve
250 W
DERATING CURVE Output Power (Watts)
Americas
Output Power (Watts)
200 LFM (1.0 m/s) FORCED AIR COOLING 175 W 125 W NATURAL FREE AIR CONVECTION COOLING 87 W 75 W
5810 Van Allen Way Carlsbad, CA 92008 USA Telephone: +1 760 930 4600 Facsimile: +1 760 930 0698
Rev.4.20.09_129 NLP250-DC Series 4 of 4
Europe (UK)
0W 0C 10 C 20 C 30 C 40 C 50 C 60 C 70 C
Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone: +44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355
Connector and Mating Connector Types
Connector
J1 J2 TER1 TER2
Asia (HK)
Type
Molex 10-84-5030 (4202 series) Molex Terminal block
Mating Connector Type
Molex 50-84-1035 (42021 series) or equivalent with Molex 02-08-1001 (42024 series) or equivalent crimp terminals Molex 90142-0010 Molex 90119-2110 crimp terminals Terminal block contains #6-32 screw with clamp washer suitable for wire size 12-22 awg (0.5-2.5 mm2). Max Torque tp 1.36 Nm (12 in.lb)
14/F, Lu Plaza 2 Wing Yip Street Kwun Tong, Kowloon Hong Kong Telephone: +852 2176 3333 Facsimile: +852 2176 3888
For global contact, visit:
www.PowerConversion.com techsupport.embeddedpower @emerson.com
While every precaution has been taken to ensure accuracy and completeness in this literature, Emerson Network Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions.
Pin Connections
J1
Pin 1 Pin 2 Pin 3 -48 Vdc Ground Return N/C -VO Remote Sense +VO Remote Sense: Load compensation for 0.2 V to 0.5 V drop at load (sense point) 5 V Standby Signal Common (RTN): 5 V standby and 12 V fans 12 V DC Fan Voltage Signal Common (RTN): 5 V standby and 12 V fans Inhibit: A closed contact (Low) will shut down PSU main output within 200ms (typical) DC Power Good: Vo > -8% of nominal = Logic HI, Out of Regulation = Logic Low +12 V GND
J2
Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 TER1 TER2
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