PWR SUPPLY 250W 12-24V CVR/FAN

LPS254-CF

Manufacturer Part NumberLPS254-CF
DescriptionPWR SUPPLY 250W 12-24V CVR/FAN
ManufacturerEmerson Network Power
SeriesLPS250
TypeEnclosed
LPS254-CF datasheet
 


Specifications of LPS254-CF

Voltage - Output15VNumber Of Outputs1
Power (watts)250WApplicationsCommercial
Power Supply TypeSwitching (Closed Frame)Voltage - Input85 ~ 264VAC
Mounting TypeChassis Mount1st Output15 VDC @ 16.7A
Size / Dimension9" L x 5" W x 3.0" H (228.6mm x 127mm x 76.2mm)Power (watts) - Rated250W
Operating Temperature0°C ~ 50°CEfficiency75%
ApprovalsCB, CE, CSA, NEMKO, UL, VDELine Regulation±2%
Load Regulation±2%ProductSwitching
Output Power Rating250 WInput Voltage85 VAC to 264 VAC, 120 VDC to 300 VDC
Output Voltage (channel 1)15 VOutput Current (channel 1)0.5 A
Mounting StyleRackDimensions9 in L x 5 in W x 2 in H
Open Frame/enclosedEnclosedOutput Current (max)16.7A
Output Voltage15VOutput Power (max)250W
Input Frequency47 to 440HzScreening LevelCommercial
Product Depth (mm)127mmOperating Temperature Min Deg. C0C
Operating Temperature Max Deg. C50CPin Count17
Lead Free Status / RoHS StatusLead free / RoHS Compliant3rd Output-
2nd Output-4th Output-
Other names454-1212
LPS254-CF
  
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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
• 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
Safety
VDE
0805/EN60950 (IEC950)
11774-3336-1262
UL
UL1950 EI32002
CSA
CSA 22.2-234 Level 5
LR53982C
NEMKO EN 60950/EMKO-TUE
P95102999 (74-sec) 203
CB
Certificate and report
2186
CE
Mark (LVD)
Electrical Specifications
Input
Input range:
85-264 Vac; 120 - 300 Vdc
Frequency:
47-440 Hz
Inrush current:
20 A max, cold start @ 25 °C
Efficiency:
75% typical at full load
EMI filter:
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
Safety ground
< 0.5 mA @ 50/60 Hz, 264 VAC input
leakage current:
Output
Maximum power:
With cover: 250 W with 30 CFM forced air.
(-C) (-CF) (CEF)
Supervisory output:
5 V @ 100 mA regulated; 12 V @ 500 mA
Adjustment range:
2:1 wide ratio
Hold-up time:
20 ms @ 250 W load, 115 VAC nominal line
Overload protection:
Short circuit protection on all outputs. Case overload protected @
10-145% above peak rating
Overvoltage protec-
5 V output: 5.7 to 6.7 VDC.
tion:
Other models 10% to 25% above nominal output
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 & ...