• LM75-20B12 Mornsun SMPS - 12V 6A - 72W  AC/DC Enclosed Switching Single Output Power Supply

LM75-20B12 is one of Mornsun’s enclosed AC-DC switching power supply. It features universal AC input and at the same time accepts DC input voltage, cost-effective, low no load power consumption, high efficiency, high reliability and double or reinforced insulation. These converters offer excellent EMC performance and meet IEC/EN61000-4, CISPR32/EN55032, IEC/UL/EN62368, EN60335, GB4943 standards and they are widely used in areas of industrial, LED, street light control, electricity, security, telecommunications, smart home etc.

Key Specifications


Type Enclosed Type Single Output
Output Power 72W
Series LM75-20B
Part Number LM75-20B12
Mechanical Form Enclosed
IP Level  Non-Waterproof 
Output Voltage 12V
Output Current 6A


• Universal 85 - 264VAC or 120 - 373VDC Input voltage

• Accepts AC or DC input (dual-use of same terminal)

• Operating ambient temperature range: -30? to +70?

• Low standby power consumption, high efficiency

• High I/O isolation test voltage up to 4000VAC

• Low ripple & noise

• Output short circuit, over-current, over-voltage protection

• Safety according to IEC/EN/UL62368, EN60335, GB4943

• Withstand 300VAC surge input for 5s

• Over-voltage class Ⅲ (designed to meet EN61558)

• Operating altitude up to 5000m

Detailed Specifications


Input voltage range 85-264VAC; 120-373VDC
Inrush current (max.) Cold start, 65A at 230VAC
Output voltage adjustable range 10.2-13.8V
Efficiency at 230VAC 88%
Max. capacitive load 6000µF
Input current (max.) 1A at 230VAC
Short circuit protection Hiccup, continuous, self-recovery
Over-current protection 110%-150% Io, self-recovery
Withstand voltage 300VAC
Working temperature -30 - 70°C
Connection Terminal block
Dimension (LxWxH) 99 x 97 x 30 mm
Weight 220 gm
Cooling Method Free air convection
Case Material Metal (AL1100, SGCC)
MTBF >300000 Hrs
Safety Class CLASS I
Safety standards Meet IEC/EN/UL62368/EN60335/GB4943
EMC standards CISPR32/EN55032 CLASS B, IEC/EN61000-3-2 CLASS A, IEC/EN 61000-4-3 10V/m
Certification CE, CCC
Warranty 3 years

Related Documents

LM75-20B12 Data Sheet 

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LM75-20B12 Mornsun SMPS - 12V 6A - 72W AC/DC Enclosed Switching Single Output Power Supply

  • Product Code: EC-4309
  • Availability: 314
  • Rs.785.00
  • (Excluding 18% GST)