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Mean Well MHB150-48S12 DC-DC Converter - 150W - 36~75V in 12V out

SKU:

MHB150-48S12

$98.08 USD

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Description

Features

Half-brick size (2.28" 2.4" 0.5") with industry standard pin out

2:1 wide input range

Protections: Short circuit / Over current / Over voltage / Over temperature

High efficiency up to 89%

1500VDC I/O isolation

Built-in remote ON/OFF control

Built-in remote sense function

Trimming output ±10%

Five-sided shield metal case

Optional heat sinks for extended operating temperature

Output 2.5V/3.3V/15V available

Approvals: UL / CUL / CE

3 years warranty

General Specification

Over current protection	110%~140% rated output power; Protection type: over current limiting, recovers automatically after fault condition is removed
Over temperature protection	Case temperature 100°C±5°C, Over temperature protection enabled
Over voltage protection	115%~140%; Protection mode: Output Voltage clamping by zener diode
Withstand voltage	I/P-O/P:1500VDC,I/P-Case:1500VDC,O/P-Case:1500VDC
Working temperature	-40~100°C; Thermal shutdown at 100°C±5°C of case temperature(Please refer to Thermal Curve)
Safety standards	UL60950-1 approved
EMC standards	With external components Compliance to EN55022 Class A(Please refer to ¨¹EMC Suggestion Circuit¨¹)
Dimension (LxWxH)(mm)	57.9 x 61 x 12.7 mm

Specifications

Brand

Mean Well
Series

MHB Series
Power Rating

150 Watt
Output Voltage

12 Volt
Rated Current

8.3 Ampere
Input Voltage

36V~75V
No of Output

1
Dimming Control

None
Standards Met

CB,CE,EAC,EMC,RCM,TUV
Operation Mode

Constant Voltage
Operating Temperature

-55°C~105°C
Warranty

3 Year
Length

2.4 in
Width

2.28 in
Height

0.5 in
Weight

0.22 lb

File Downloads

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Frequently Asked Questions

Can I use the MHB150-48S12 to run 12V industrial control equipment from a 48V-class power source?

This converter accepts 36-75V input and provides a constant 12V output, which matches systems stepping down from a 48V-class bus. It is rated for 150W total output with up to 8.3A available at 12V.

Is this a good fit for 12V automation accessories inside a compact machine enclosure?

The 61.0 × 57.9 × 12.7 mm size supports use where board area and height are limited. On the electrical side, it delivers constant 12V output up to 8.3A with a 150W rating.

Can the MHB150-48S12 power 12V embedded or industrial PC peripherals in harsh temperature conditions?

The specified operating temperature range is -55°C to +105°C, so the unit is rated for very wide-temperature operation. It also provides a constant 12V output with up to 8.3A available from a 36-75V input source.

Would this converter work for 12V instrumentation or monitoring modules on a 36-75V DC system?

It is intended for 36-75V input systems that need a regulated 12V rail. With 150W capacity and 8.3A output current, it fits 12V instrumentation or monitoring loads that stay within those limits.

Is this model suitable for outdoor or washdown installations?

The provided data lists an operating temperature range of -55°C to +105°C, but it does not list an IP rating. Based on the stated specs, temperature capability is defined, while exposure to water, dust, or washdown is not specified.

Model	Power	Voltage	Current	IP Rating	Price
Mean Well MHB150-48S24 DC-DC Converter - 150W - 36~75V in 24V out	150W	24V	4.17A	Indoor	$98.08	View
Mean Well MHB150-48S05 DC-DC Converter - 150W - 36~75V in 5V out	150W	5V	20A	Indoor	$98.08	View