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Mean Well MHB75-48S12 DC-DC Converter - 75W - 36~72V in 12V out

SKU:

MHB75-48S12

$70.43 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%~150% 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

75 Watt
Output Voltage

12 Volt
Rated Current

6.25 Ampere
Input Voltage

36V~72V
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

0.2 lb

File Downloads

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Frequently Asked Questions

Can I use the MHB75-48S12 to run 12V industrial control electronics from a 48V bus?

Yes, this model is intended for systems that need a constant 12V output from a 36-72VAC input range. It can supply up to 6.25A and 75W, which fits many 12V control boards, relays, and embedded devices that stay within those limits.

Is this converter suitable for 12V HMI panels or operator interfaces in automation equipment?

It can be a fit when the HMI or interface requires constant 12V power and the total load stays at or below 6.25A and 75W. The 36-72VAC input range also makes it relevant for equipment platforms built around nominal 48V power systems.

Can the MHB75-48S12 power 12V communication or embedded monitoring devices in industrial cabinets?

Yes, if the connected devices need a regulated 12V output and their combined demand does not exceed 75W or 6.25A. Its compact 61.0 x 57.9 x 12.7 mm size also helps in dense control assemblies where board space is limited.

Which MHB75 variants are closest alternatives to the MHB75-48S12?

Within the listed siblings, the 48V-input alternatives are MHB75-48S05 at 75W, 5V, 15A and MHB75-48S24 at 75W, 24V, 3.13A. The family also includes 12V-input and 24V-input versions in 5V, 12V, and 24V outputs: MHB75-12S05, MHB75-12S12, MHB75-12S24, MHB75-24S05, MHB75-24S12, and MHB75-24S24.

Is the MHB75-48S12 appropriate for harsh temperature environments?

Its specified operating range is -55°C to +105°C, which is broader than many general-purpose power products. The provided data does not list an IP rating, so temperature capability is clear, but enclosure or exposure suitability should be judged from the final system housing rather than this converter alone.

Model	Power	Voltage	Current	IP Rating	Price
Mean Well MHB75-48S24 DC-DC Converter - 75W - 36~72V in 24V out	75W	24V	3.13A	Indoor	$70.43	View
Mean Well MHB75-48S05 DC-DC Converter - 75W - 36~72V in 5V out	75W	5V	15A	Indoor	$70.43	View
Mean Well MHB75-24S24 DC-DC Converter - 75W - 18~36V in 24V out	75W	24V	3.13A	Indoor	$70.43	View
Mean Well MHB75-24S12 DC-DC Converter - 75W - 18~36V in 12V out	75W	12V	6.25A	Indoor	$61.42	View
Mean Well MHB75-24S05 DC-DC Converter - 75W - 18~36V in 5V out	75W	5V	15A	Indoor	$70.43	View
Mean Well MHB75-12S24 DC-DC Converter - 75W - 9~18V in 24V out	75W	24V	3.13A	Indoor	$66.92	View
Mean Well MHB75-12S12 DC-DC Converter - 75W - 9~18V in 12V out	75W	12V	6.25A	Indoor	$69.27	View
Mean Well MHB75-12S05 DC-DC Converter - 75W - 9~18V in 5V out	75W	5V	15A	Indoor	$70.43	View