Datasheet > PX400/402-U4R

PX400/402-U4R

更新时间： 2022-12-29 04:37:49

品牌	Logo	应用领域
CANDD		/
页数	文件大小	规格书
4页	116K
描述
AC/DC Power Supply

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PX400/402-U4R 数据手册

Input Specifications

Parameter

Conditions

Min

Typ

Max

Units

Operating Range

47-63 Hz

264

VAC

Inrush Current Limiting

120 VAC, cold start

240 VAC, cold start

APK

Efficiency

Nominal line and full load

Power Factor Correction (PFC)

0.99

Meets IEC 1000-4-7/EN61000-3-2 (formerly IEC 555-2)

ReverseVoltage Protection

All outputs are protected to rated load current.

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.

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.

Remote On/Off

The power supply is turned on with aTTL 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.

N+1 Load Share (PX402)

Output #1 has active load sharing circuitry. Units will load

share within 1% of the Maximum Rated Load.

OverVoltage Protection

OverTemperature Protection

Output #1: 6.5V, 0.5 V^DC

Thermal switch turns off power supply if overheating occurs

and automatically restarts.

The power supply will latch off until AC power is cycled.

Over Current Protection

Individual current limit on all outputs. Automatic recovery

Safety

UL Recognized: UL File Number E14675 (1950 & 1012)

CSA Certified: CSA File Number LR 9070-154C

(C22.2 No9. 234-M90, Level 6)

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.

TUV License Number: R9576029 (EN60950) (IEC950)

Cooling

Output Isolation

All outputs are fully isolated.

The unit is designed to operate with 40 CFM of airflow.

Page 2

PX400/402 4/98 REV B

123 4

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