LPS255-CF Emerson Network Power, LPS255-CF Datasheet

LPS255-CF

Manufacturer Part Number

LPS255-CF

Description

PWR SUPP 250W 24-48V CVR TOP FAN

Manufacturer

Emerson Network Power

Series

LPS250r

Datasheets

1.LPS254-CEF.pdf (3 pages)

2.LPS255-CF.pdf (2 pages)

Specifications of LPS255-CF

Voltage - Output

24V

Number Of Outputs

Power (watts)

250W

Applications

Commercial

Power Supply Type

Switching (Closed Frame)

Voltage - Input

85 ~ 264VAC

Mounting Type

Chassis Mount

1st Output

24 VDC @ 10.4A

Size / Dimension

9" L x 5" W x 3.0" H (228.6mm x 127mm x 76.2mm)

Power (watts) - Rated

250W

Operating Temperature

0°C ~ 50°C

Efficiency

75%

Approvals

CB, CE, CSA, NEMKO, UL, VDE

Line Regulation

±2%

Load Regulation

±2%

Product

Switching

Output Power Rating

250 W

Input Voltage

85 VAC to 264 VAC, 120 VDC to 300 VDC

Output Voltage (channel 1)

24 V

Output Current (channel 1)

0.32 A

Mounting Style

Rack

Dimensions

9 in L x 5 in W x 2 in H

Open Frame/enclosed

Enclosed

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

3rd Output

2nd Output

4th Output

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

454-1215
LPS255-CF
Q1472180

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122

250 Watts

LPS250 Series

• Active power factor correction

• IEC EN6100-3-2 compliance

• Remote sense & remote inhibit

• Power fail

• Single wire current sharing

• Built-in EMI filter

• Low output ripple

• 2 Supervisory outputs 5 V and 12 V

• Overvoltage protection

• Overload protection

• Thermal overload protection

• DC power good

• Cover -C

• 120 kHz switching frequency

• Optional top with fan cover -CF

• Optional end fan cover -CEF

Operating temperature: 0° to 50°C ambient

derate each output at 2.5% per degree from 50° to

70°C

Electromagnetic susceptibility: Designed to meet

IEC 801, -2, -3, -4, -5, -6, Level 3

Humidity: Operating; non-condensing

5% to 95%

Vibration: Three orthogonal axes, sweep at

1 oct/min, 5 min. dwell at four major resonances

0.7 G peak 5 Hz to 500 Hz, operational

Storage temperature: -40° to 85°C

Temperature coefficient: ±.04% per °C

MTBF demonstrated: >550,000 hours at full load

and 25°C ambient conditionsation

America’s (USA): 1-888-41-ASTEC

Special Features

Environmental

Europe (UK): 44 (1384) 842-211

Total Power:

Input Voltage: 85-264 VAC

# of Outputs:

Input

Input range

Frequency

Inrush current

Efficiency

EMI filter

Power factor

Safety ground

leakage current

Output

Maximum power

Adjustment range

Supervisory output

Hold-up time

Overload protection

Overvoltage protection

Logic Control

Power failure

Remote on/off

DC OK

Remote sense

250 Watts

120-300 VDC

Single

Electrical Specs

Asia (HK): 852-2437-9662

85-264 VAC; 120-300 VDC

47-440 Hz

20 A max., cold start @ 25°C

75% typical at full load

FCC Class B conducted and radiated

CISPR 22 Class B conducted and

radiated EN55022 Class B conducted

and radiated VDE 0878 PT3 Class B

conducted and radiated

0.99 typical

<0.5 mA @ 50/60 Hz, 264 VAC input

With cover: 250 W with 30 CFM

forced air.

(-C) (-CF) (CEF)

2:1 wide ratio

5 V @ 100 mA regulated; 12V @ 500

20 ms @ 250 W load, 115 VAC

nominal line

at factory voltage setting

Short circuit protection on all outputs.

Case overload protected @ 110-145%

above peak rating

5 V output: 5.7 to 6.7 VDC.

Other models 10% to 25% above

nominal output

TTL logic signal goes high 50-150

msec after 5 V output. It goes low at

least 4 msec before loss of regulation

Requires an external contact (N.O or

N.C) to inhibit outputs

TTL logic goes high 50-150 msec after

the output. It goes low when there is

loss of regulation.

Compensates for 0.5 V lead drop min.

Will operate without remote sense

connected. Reverse connection

protected.

revB 04.02.02

Related parts for LPS255-CF

LPS255-CF Summary of contents

Page 1

Watts LPS250 Series Special Features • Active power factor correction • IEC EN6100-3-2 compliance • Remote sense & remote inhibit • Power fail • Single wire current sharing • Built-in EMI filter • Low output ripple • 2 Supervisory ...

Page 2

... V (6-12 V) 0.63 A LPS254 (12-24 V) 0.50 A LPS255 24- Peak current lasting <30 seconds with a maximum 10% duty cycle 25°C including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings. 3. Peak-to-peak with 20 MHz bandwidth and 10 µF in parallel with a 0.1 µF capacitor at rated line voltage and load ranges. ...

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