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Mean Well IRM-90-24ST Switching Power Supply 99W 24V 4.13A - Encapsulated

Q: Can I use the IRM-90-24ST for a 24V industrial automation panel or control module?

Yes, this model delivers constant voltage 24V output rated at 90W and 3.75A. That output is appropriate for 24V automation panels, industrial controls, and machine subsystems that need a higher-power encapsulated supply.

Q: Is the IRM-90-24ST suitable for 24V DIN-style control loads inside equipment, even if it is not a DIN rail supply itself?

It can supply 24V control loads that fit within 90W and 3.75A, provided the equipment uses an internal encapsulated AC-DC module. The input range is 80-305VAC, and the package size is 109.0 x 52.0 x 33.5 mm.

Q: Can this power supply support 24V industrial sensors, I/O, or monitoring hardware from one source?

Yes, when the combined 24V load remains within 3.75A and 90W. Its constant voltage operation makes it suitable for grouped 24V industrial electronics that need one centralized internal supply.

Q: Is the IRM-90-24ST appropriate for equipment that needs screw terminal style instead of PCB mounting?

Yes, screw terminal style is one of the defining features of this version. Electrically it provides the same 24V, 90W, and 3.75A rating as IRM-90-24, but in the larger 109.0 x 52.0 x 33.5 mm ST format.

Q: What are the main IRM-90 output choices in this series?

The IRM-90 series includes 12V at 80.4W and 6.7A, 15V at 85.05W and 5.67A, 24V at 90W and 3.75A, and 48V at 90.2W and 1.88A. For 24V specifically, IRM-90-24 and IRM-90-24ST share the same electrical rating, with PCB mounting on the non-ST version and screw terminal style on the ST version.

Q: Can the IRM-90-24ST handle cold or hot operating conditions, and is it rated for outdoor use?

The stated operating temperature range is -30C to +80C, so it is specified for wide temperature conditions. No IP rating is provided, so these specs do not confirm outdoor or wet-location suitability.

miniature encapsulated type, screw terminal style

SKU:

IRM-90-24ST

$27.91 USD

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Description

Features

Universal AC input 80~305VAC

No load power consumption < 0.21W

Protections: Short circuit / Overload / Over voltage

Compact size

Cooling by free air convection

Isolation class II

Operating attitude up to 4000 meters

100W peak(10 sec)

3 years warranty

General Specification

AC input voltage range	85~305VAC
AC inrush current (max.)	Cold start, 30A at 115VAC, 65A at 230VAC
Setup, rise, hold up time	1000ms, 30ms, 30ms
Overload protection	115%~160% rated output voltage, hiccup mode, auto-recovery
Over voltage protection	115%~135% rated output voltage
Withstand voltage	I/P-O/P: 4kVAC
Working temperature	-30~+80°C
Leakage current	Less than 0.25mA at 240VAC
Safety standards	UL62368-1, IEC62368-1
EMC standards	EN55032 class B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11,EN55035
Dimension (LxWxH)	PCB mounting style : 87x 52x 29.5mm Screw terminal style : 109x 52x 33.5mm
Packing	PCB mounting style : 60pcs/11.8Kg Screw terminal style : 50pcs/12Kg

Specifications

Brand

Mean Well
Series

IRM Series
Power Rating

90 Watt
Output Voltage

24 Volt
Rated Current

3.75 Ampere
Input Voltage

80V~305V
No of Output

1
Dimming Control

None
Standards Met

CB,CE,EAC,TUV,UL
Operation Mode

Constant Voltage
Operating Temperature

-30°C~80°C
Warranty

3 Year
Length

4.29 in
Width

2.05 in
Height

1.32 in
Weight

0.48 lb

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Frequently Asked Questions

Can I use the IRM-90-24ST for a 24V industrial automation panel or control module?

Yes, this model delivers constant voltage 24V output rated at 90W and 3.75A. That output is appropriate for 24V automation panels, industrial controls, and machine subsystems that need a higher-power encapsulated supply.

Is the IRM-90-24ST suitable for 24V DIN-style control loads inside equipment, even if it is not a DIN rail supply itself?

It can supply 24V control loads that fit within 90W and 3.75A, provided the equipment uses an internal encapsulated AC-DC module. The input range is 80-305VAC, and the package size is 109.0 x 52.0 x 33.5 mm.

Can this power supply support 24V industrial sensors, I/O, or monitoring hardware from one source?