NX350

Contact Factory for Replacement Model Input Specifications Parameter Operating Range Inrush Current Limiting 120VAC, cold start 240VAC cold start Efficiency 120V, full load 240V, full load Power Factor Correction (PFC) Meets IEC 1000-4-7/EN61000-3-2 (formerly IEC 555-2) 70 75 0.99 % 37 70 APK APK Conditions 47-63 Hz Min 90 Typ Max 264 Units VAC % Remote Sense Remote Sense is provided on Output #1 and will compensate for 0.7V of line drop. Remote Sense leads are protected against open, short and reversal. Remote On/Of The power supply is turned on with a TTL logic ‘1’ (or open) signal and turned off by a switch closure or TTL logic ‘0’ referenced to (-) sense terminal. Consult the factory for other options. Over Voltage Protection Output #1: 6.5V ± 0.5 VDC. The power supply will latch off until AC power is cycled. Over Current Protection Individual current limit on all outputs. Automatic recovery upon fault removal. Transient Response The peak output voltage excursion will not exceed 2% and will recover within 1% in 200 μsec for a 25% load step change. Output Isolation All outputs are fully isolated. Power Fail Signal Upon AC input voltage removal, the power fail signal drops to logic zero at least 5msec before loss of DC output. On AC input turn-on, signal remains low until outputs are in regulation. Consult the factory for other options. N+1 Load Share Output #1 has active load sharing circuitry. Units will load share within 1.5% of Maximum Rated Load. Over Temperature Protection Thermal switch turns off power supply if overheating occurs and automatically restarts. Safety UL Recognized: UL File Number E14675 (1950 & 1012) CSA Certified: CSA File Number LR 9070-154C (C22.2 No. 234-M90, Level 6) TUV License Number: R9576031 (EN60950) (IEC950) Cooling The unit is designed to operate with 30 CFM of airflow. Page 2 NX350 3/98 REV B Output Voltages and Maximum Rated Loads OUTPUT #1 IMAX VOUT ± 5V ± 5V ± 5V ± 5V ± 5V ± 5V ± 5V ± 5V 50A 50A 50A 50A 50A 50A 50A 50A MODEL NUMBER NX350-U3A NX350-U3B NX350-U4C NX350-U4D NX350-U4E NX350-U4F NX350-U4G NX350-U4H OUTPUT #2 VNOM IMAX/IPK ± 12V ± 15V ± 12V ± 12V ± 12V ± 15V ± 15V ± 15V 10A/12A 10A/12A 10A/12A 10A/12A 10A/12A 10A/12A 10A/12A 10A/12A OUTPUT #3 VNOM IMAX/IPK ± 12V ± 15V ± 12V ± 12V ± 12V ± 15V ± 15V ± 15V 8A/10A 8A/10A 8A/10A 8A/10A 8A/10A 8A/10A 8A/10A 8A/10A OUTPUT #4 VNOM IMAX/IPK ± 5V 3.0A/4.0A ± 24V 1.5A/2.0A ± 12V 3.0A/4.0A ± 5V 3.0A/4.0A ± 24V 1.5A/2.0A ± 12V 3.0A/4.0A Note: Peak current ratings are for 10sec maximum. Total power not to exceed 350 watts. Output Specifications Parameter Regulation Line Load Cross Minimum Load Output #1 Auxiliary Outputs Hold-Up Time 3.0A 0.1A 20mSec at Full Load ± 0.03% ±0.25% ±0.05% Limits Parameter Voltage Adustment Range PARD Temperature Operating Conditions Nominal line on all outputs Peak-to-peak 20 MHz bandwidth Min Typ ±5 Max 1 Units % % 0 Derates to half power 50 70 °C °C °C %/°C Storage Temperature Coefficient (TC) After half hour warm-up -20 ± 0.02 +85 NX350 3/98 REV B Page 3 Mechanical TOP VIEW 0.25 0.55 8.50 1.95 0.040 COVER 1 TB2 3.90 4.85 1 J9 1 OUTPUT NO. 1 5v RETURN TB1 9.00 6-32 THD 4 PLC’S Maximum depth of mounting screws is 0.156 inches 5v NOTES: All measurements are in inches FAN MOUNTED ON COVER WILL ADD 1.30”. COOLING: The NX350 is designed to operate with 30 CM airflow. SHOCK AND VIBRATION: The NX350 meets the requirements of MIL STD-810D. (Vibration-Method 514.3 Procedure I; Shock-Method 516.3 Procedure I.) WEIGHT: Approximately 3 lbs. Terminal Block 1 POS 1 2 3 FUNCTION AC Line AC Neutral Ground Terminal Block 2 POS 1 2 3 4 5 6 FUNCTION -V2 +V2 -V3 +V3 -V4 +V4 1 2 3 4 5 6 7 8 9 J9 Connector PIN FUNCTION + Sense - Sense N/C N/C Start Up Sync. Power Fail Remote Inhibit Current Share Cntl Signal Rtn J9 Connector Molex No. Connector 22-28-1090 Standard Options are shown, consult factory for other available options. The information provided herein is believed to be reliable; however, C&D Technologies assumes no responsibility for inaccuracies or omissions. C&D Technologies assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. C&D Technologies does not authorize or warrant any C&D Technologies product for use in life support devices/systems or in aircraft control applications. Page 4 NX350 3/98 REV B