LPS254-CF Emerson Network Power, LPS254-CF Datasheet

PWR SUPPLY 250W 12-24V CVR/FAN

LPS254-CF

Manufacturer Part Number
LPS254-CF
Description
PWR SUPPLY 250W 12-24V CVR/FAN
Manufacturer
Emerson Network Power
Series
LPS250r
Type
Enclosedr
Datasheet

Specifications of LPS254-CF

Voltage - Output
15V
Number Of Outputs
1
Power (watts)
250W
Applications
Commercial
Power Supply Type
Switching (Closed Frame)
Voltage - Input
85 ~ 264VAC
Mounting Type
Chassis Mount
1st Output
15 VDC @ 16.7A
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)
15 V
Output Current (channel 1)
0.5 A
Mounting Style
Rack
Dimensions
9 in L x 5 in W x 2 in H
Open Frame/enclosed
Enclosed
Output Current (max)
16.7A
Output Voltage
15V
Output Power (max)
250W
Input Frequency
47 to 440Hz
Screening Level
Commercial
Product Depth (mm)
127mm
Operating Temperature Min Deg. C
0C
Operating Temperature Max Deg. C
50C
Pin Count
17
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
454-1212
LPS254-CF
Safety
LPS250 Series
250 Watts
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
• 2:1 Wide range output voltage
• 2 Supervisory outputs 5 V and 12 V
• Overvoltage protection
• Overload protection
• Thermal overload protection
• DC power good
• 120 kHz switching frequency
• Cover -C
• Optional top with fan cover -CF
• Optional end fan cover -CEF
Total Power:
Input Voltage: 85-264 Vac
# of Outputs: Single
adjust
VDE
UL
CSA
NEMKO EN 60950/EMKO-TUE
CB
CE
CSA 22.2-234 Level 5
LR53982C
P95102999 (74-sec) 203
2186
0805/EN60950 (IEC950)
11774-3336-1262
UL1950 EI32002
Certificate and report
Mark (LVD)
120 - 300 Vdc
250 Watts
Electrical Specifications
Input
Output
Maximum power:
Supervisory output:
Adjustment range:
Hold-up time:
Overload protection:
Overvoltage protec-
tion:
Input range:
Frequency:
Inrush current:
Efficiency:
EMI filter:
Safety ground
leakage current:
With cover: 250 W with 30 CFM forced air.
(-C) (-CF) (CEF)
5 V @ 100 mA regulated; 12 V @ 500 mA
2:1 wide ratio
20 ms @ 250 W load, 115 VAC nominal line
Short circuit protection on all outputs. Case overload protected @
10-145% above peak rating
5 V output: 5.7 to 6.7 VDC.
Other models 10% to 25% above nominal output
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
< 0.5 mA @ 50/60 Hz, 264 VAC input
Embedded Power for
Business-Critical Continuity
Rev. 2.16.09_158
LPS250 Series
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LPS254-CF Summary of contents

Page 1

LPS250 Series 250 Watts Total Power: 250 Watts Input Voltage: 85-264 Vac 120 - 300 Vdc # of Outputs: Single 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 • 2:1 Wide range output voltage adjust • 2 Supervisory outputs 5 V and 12 V • Overvoltage protection • ...

Page 2

... MTBF demonstrated: > 550,000 hours at full load and 25 °C ambient conditions Ordering Information Model Number Output Voltage Minimum Load LPS252 LPS253 12) V LPS254 LPS255 (24 - Peak current lasting < 30 seconds with a maximum 10% duty cycle °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 optional CF or CEF fans are not used, 30CFM forced air cooling needs to be provided and is required through the length of the power supply. Not convection rated utput voltage adjustment requires a minimum load. ...

Page 3

... Telephone: +852 2176 3333 Facsimile: +852 2176 3888 For global contact, visit: www.PowerConversion.com techsupport.embeddedpower @emerson.com While every precaution has been taken to ensure accuracy and completeness in this literature, Emerson Network Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. Emerson Network Power. The global leader in enabling business-critical continuity. AC Power Connectivity DC Power Embedded Computing Embedded Power Monitoring Outside Plant Power Switching & Controls Precision Cooling Racks & ...

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