APPLICATION
The LFM550S Series 550 Watt AC-DC Power Supply with PFC delivers high efficiency up to 94% and reliable performance across a universal input range of 85–264 Vac. Designed for compact and rugged applications, it offers single DC outputs from 12 V to 54 V and supports both fan and conduction cooling options.
With output currents up to 45.83 A and built-in protections against overvoltage, overcurrent, short circuit, and overheating, the LFM550S ensures safe and stable operation. Voltage adjustment up to ±5%, low ripple noise, and robust line/load regulation add to its precision.
Certified to IEC/EN/UL 62368-1 and compliant with EN 55032 and FCC Class B standards, this power supply is ideal for industrial automation, telecom, and embedded systems requiring high power density and thermal flexibility.
feature list
Universal Input Range 85~264Vac
High Efficiency up to 94%
Class I
25.4mm Low Profile Package
Approval IEC/EN/UL 62368-1 Ed 3.0
Approval EN 55032 and CISPR/FCC Class B
Meets IEC/EN 60335-1
Operating Altitude 5000m
Continuous Short Circuit Protection
Over Voltage Protection
Over Temperature Protection
High Power Density 32.84W/Inches3
Active PFC Function
Over Voltage Category OVC II & OVC III
| MODEL NUMBER | INPUT RANGE | OUTPUT | POWER |
|---|---|---|---|
| LFM550S120C | 85-264VAC 115-370VDC | 12V | 549.96W |
| LFM550S150C | 85-264VAC 115-370VDC | 15V | 549.90W |
| LFM550S240C | 85-264VAC 115-370VDC | 24V | 549.84W |
| LFM550S280C | 85-264VAC 115-370VDC | 28V | 549.92W |
| LFM550S360C | 85-264VAC 115-370VDC | 36V | 549.90W |
| LFM550S300C | 85-264VAC 115-370VDC | 30V | 549.72W |
| LFM550S480C | 85-264VAC 115-370VDC | 48V | 549.60W |
| LFM550S540C | 85-264VAC 115-370VDC | 54V | 549.72W |
| LFM550S120B | 85-264VAC 115-370VDC | 12V | 549.96W |
| LFM550S150B | 85-264VAC 115-370VDC | 15V | 549.90W |
| LFM550S240B | 85-264VAC 115-370VDC | 24V | 549.84W |
| LFM550S280B | 85-264VAC 115-370VDC | 28V | 549.92W |
| LFM550S360B | 85-264VAC 115-370VDC | 36V | 549.90W |
| LFM550S300B | 85-264VAC 115-370VDC | 30V | 549.72W |
| LFM550S480B | 85-264VAC 115-370VDC | 48V | 549.60W |
| LFM550S540B | 85-264VAC 115-370VDC | 54V | 549.72W |
Downloads
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