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| Product Data Sheet ED INU NT CO 400 WATT DIS AC/DC POWER SUPPLY SX400 FEATURES Active Power Factor Correction Active Current Sharing With ORing Diodes FCC/VDE Class B EMI Filter Optional Active Inrush Current Limit Compact Size: 10" x 4.85" x 2.19" Optional SCR Crowbar Optional Cover With Fan DESCRIPTION The SX400 is a compact 400 watt Power Factor Corrected, single output power supply. Active current sharing circuitry with ORing diodes, together with control functions and alarm options, simplifies N+1 and redundant applications. AGENCY APPROVALS See "Safety" section on page 2 for more information 3400 E Britannia Drive * Tucson, Arizona 85706 * Phone: 520.295.4100 * Fax: 520.770.9369 * Internet: http://www.cdpowerelectronics.com SX400 2/98 REV A Page 1 Input Specifications Parameter Operating Range Inrush Current Limiting Thermistor 120 VAC, cold start 240 VAC, cold start Active Current Limit Efficiency Power Factor Correction (PFC) Meets IEC 1000-4-7/EN61000-3-2 (formerly IEC 555-2) 264 VAC Nominal line and full load 19 75 0.99 30 60 APK APK APK % Conditions 47-63 Hz Min 90 Typ Max 264 Units VAC Remote Sense Remote Sense is provided and will compensate for 1.0V of line drop. Remote Sense leads are protected against open, short and reversal. Remote On/Off (Optional) 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: 15% of nominal voltage is typical. The power supply will latch off until AC power is cycled. Over Current Protection Automatic recovery upon fault removal. Transient Response The peak output voltage excursion will not exceed 2% and will recover within 1% in 200 sec for a 25% step load. Reverse Voltage Protection The output is protected to rated load. Power Fail Signal Upon AC input voltage removal, the power fail signal drops to logic zero at least 10msec before loss of DC output. Upon AC input turn-on, signal remains low until output is in regulation. Consult the factory for other options. N+1 Load Share Output has active load sharing circuitry. Units will load share within 1% of the Maximum Rated Load. Over Temperature Protection Thermal switch turns off power supply if overheating occurs and automatically restarts. Safety UL Recognized: UL File Number E13164 (1950) CSA Certified: CSA File Number LR 9070C (C22.2 No950, Level 6) TUV License Number: R9773309 (EN60950) (IEC950) Cooling The unit is designed to operate with 30 CFM of airflow. DC Power Good Signal The signal is activated by a 10% loss of regulation Active low or high; TTL Level; common with (-) sense. Consult the factory for other options. Page 2 SX400 2/98 REV A Output Voltages and Maximum Rated Loads OUTPUT IMAX 17A 14A 11A 8.5A MODEL NUMBER SX400-U1A SX400-U1B SX400-U1C SX400-U1D VOUT 24V 28V 36V 48V IPK 21A 17.5A 13.5A 10.5A Output Specifications Parameter Regulation Line Load Minimum Load Hold-Up Time 0.2% 0.5% 0.1A 20mSec at Full Load Limits Parameter Voltage Adjustment Range PARD Temperature Operating Storage Temperature Coefficient (TC) Conditions 20 MHz bandwidth Min Typ 5 0.5 Max Units % % P-P 0 -20 After half hour warm-up 0.02 50 +85 C C % /C SX400 2/98 REV A Page 3 Mechanical 0.700 0.550 J9 8.500 2.148 0.040 COVER 1.300 3.900 4.850 PIN 1 AIR FLOW TB2 PIN 1 10.00 6-32 THD (4x) 0.620 3.190 NOTES: All measurements are in inches FAN MOUNTED ON COVER ADDS 1.30". COOLING: The SX400 is designed to operate with 30 CFM airflow. SHOCK AND VIBRATION: The SX400 family meets the requirements of MIL STD-810D. (Vibration-Method 514.3 Procedure 1. Shock-Method 516.3 Procedure 1.) WEIGHT: Approximately 4 lbs. Pin Specifications Terminal Block 1 POS 1 2 3 FUNCTION Ground AC Neutral AC Line Connector Specifications Terminal Block 2 POS 1 2 3 4 FUNCTION +V +V -V -V J9 Connector Molex No. 22-28-1093 PIN 1 2 3 4 5 6 7 8 9 FUNCTION - Sense + Sense Current Share Remote Inhibit Power Fail DC OK Sync Signal Ground N/C 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 SX400 2/98 REV A |
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