cdtechno PX401-403-U3A, PX401-403-U3B, PX401-403-U4C, PX401-403-U4D, PX401-403-U4E Datasheet
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Product Data Sheet
400 WATT
AC/DC POWER SUPPLY
PX401/403
DESCRIPTION
The PX401 is a compact 400 watt Power Factor Corrected,
multiple output power supply. All outputs are fully isolated
and regulated. Active current sharing circuitry, together with
control functions and alarm options, simplifies N+1 and
redundant applications. Fan and disk drive applications are
handled by the peak current ratings of the auxiliary outputs.
FEATURES
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! Active Power Factor Correction
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! High Surge Current Auxiliary Outputs
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! FCC/VDE Class B EMI Filter
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! Fully Isolated and Regulated Outputs
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! Compact Size: 10” x 4.85” x 2.19”
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! One, Two, Three and Four Output Models
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! Optional Cover With Fan
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Internet: http://www.cdpowerelectronics.com
Power Electronics Division, United States
3400 E Britannia Drive, Tucson, Arizona 85706
Phone: 800.547.2537 Fax: 520.770.9369
PX401 4/98 REV B Page 1
AGENCY APPROVALS
Power Electronics Division, Europe
C&D Technologies (Power Electronics) Ltd.
132 Shannon Industrial Estate, Shannon, Co. Clare, Ireland
Te l: +353.61.474.133 Fax:+353.61.474.141
Input Specifications
Parameter Conditions Min Typ Max Units
Operating Range 47-63 Hz 90 264 VAC
Inrush Current Limiting
120 VAC, cold start 30 APK
240 VAC, cold start 60 APK
Efficiency Nominal line and full load 75 %
Power Factor Correction (PFC) 0.99
Meets IEC 1000-4-7/EN61000-3-2 (formerly IEC 555-2)
Remote Sense
Remote Sense is provided on Output #1 and will
compensate for 1.0V of line drop. Remote Sense leads are
protected against open, short and reversal.
Remote On/Off
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% step load.
Output Isolation
All outputs are fully isolated.
Reverse Voltage Protection
All outputs are protected to rated load current.
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 outputs are
in regulation. Consult the factory for other options.
N+1 Load Share (PX403)
Output #1 has active load sharing circuitry. Units will load
share within 1% 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 No9. 234-M90, Level 6)
TUV License Number: R9576029 (EN60950) (IEC950)
Cooling
The unit is designed to operate with 40 CFM airflow.
PX401 4/98 REV BPage 2
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