Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well IRM-30-12ST Switching Power Supply 3W 12V 2.5A - Encapsul...
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Description
Description
Features
| Universal AC input / Full range |
| No load power consumption < 0.1W |
| Protections: Short circuit / Overload / Over voltage |
| Miniature size, high power density |
| Cooling by free air convection |
| Isolation class II |
| Fully isolated plastic case |
| Withstand 5G vibration test |
| Low cost, high reliability |
| 100% full load burn-in test |
| 3 years warranty |
General Specification
| AC input voltage range | 85~264VAC; 120~370VDC |
| AC inrush current (max.) | Cold start, 25A at 115VAC, 45A at 230VAC |
| Setup, rise, hold up time | 1000ms, 30ms, 40ms |
| Overload protection | 105%~160% |
| Over voltage protection | 105%~135% |
| Withstand voltage | I/P-O/P: 3kVAC |
| Working temperature | -30~+70°C (refer to output derating curve) |
| Leakage current | Less than 0.75mA at 240VAC |
| Safety standards | UL60950-1, TUV EN60950-1 approved |
| EMC standards | EN55022 class B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11 |
| Connection | 4 industrial pins |
| Dimension (LxWxH) | 52.4x 27.2x 24 |
| Vibration | PCB mounting: 69.5x 39x 24; Screw I/O: 91x 39.5x 28.5 |
Specifications
Specifications
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BrandMean Well
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SeriesIRM Series
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Power Rating30 Watt
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Output Voltage12 Volt
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Rated Current2.5 Ampere
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Input Voltage85V~305V
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Standards MetBSMI,CB,CE,EAC,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-30°C~70°C
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Warranty3 Year
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Length9.1 cm
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Width3.95 cm
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Height2.85 cm
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Weight0.11 kg
File Downloads
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Payment & Security
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Frequently Asked Questions
Can I use the IRM-30-12ST to power a 12V industrial control board or embedded controller?
Yes, this model provides a constant 12V output with up to 2.5A and 30W. That makes it suitable for 12V industrial control boards, embedded controllers, and similar low-power automation electronics that stay within those output limits.
Is the IRM-30-12ST suitable for 12V sensors, relays, and small automation loads in one enclosure?
It can be a fit for grouped 12V sensors, relays, and other small automation loads as long as the combined load stays within 2.5A and 30W. The wide 85-305VAC input also helps when the same design may be used across different AC supply ranges.
Can this power supply run a 12V HMI or operator interface in a compact machine?
It can be used for a compact 12V HMI or operator interface if the device’s demand is within the 12V, 2.5A, and 30W rating. Its miniature encapsulated construction and 91.0 × 39.5 × 28.5 mm size support use where internal space is limited.
Is the IRM-30-12ST a good choice for 12V industrial electronics that need screw terminal style power?
Yes, this version is the screw terminal style variant and delivers 12V constant voltage at up to 2.5A. It is aimed at compact industrial or embedded equipment that needs 30W output and a wide 85-305VAC input range.
What is the difference between the IRM-30-12ST and the other IRM-30 output options?
Within the IRM-30 range, the comparable output options are IRM-30-5 and IRM-30-5ST at 30W, 5V, 6A; IRM-30-12 and IRM-30-12ST at 30W, 12V, 2.5A; IRM-30-15 and IRM-30-15ST at 30W, 15V, 2A; IRM-30-24 and IRM-30-24ST at 31.2W, 24V, 1.3A; and IRM-30-48 and IRM-30-48ST at 30.2W, 48V, 0.63A. The IRM-30-12ST matches the 12V, 2.5A, 30W rating of the IRM-30-12, while this ST version uses screw terminal style.
Can the IRM-30-12ST be used in outdoor or harsh-temperature equipment?
Its operating temperature range is -30°C to +70°C, so it can suit equipment exposed to a wide internal temperature range. No IP rating is listed, so it should be used in a protected enclosure for indoor or shielded applications rather than exposed outdoor placement.
