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MEAN WELL Encapsulated Switching Power Supply 12V dc 3W Surface Mount IRM-03-12S
Specifications
| Country of Origin | India |
|---|---|
| Brand | MEAN WELL |
| Power | 3W |
| Efficiency | 78% |
| Length | 37mm |
| Model | IRM-03-12S |
| Depth | 16mm |
| Gross Weight | 20g |
| Width | 24mm |
| Mount Type | Surface |
| EMC Immunity | Compliance to EN61000-4-2, 3, 4, 5, 6, 8, 11, EN55024, heavy industry level (surge L-N: 1 KV), criteria A |
| Series | IRM |
| Maximum Operating Temperature | 85°C |
| Minimum Operating Temperature | -30°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 430V dc |
| Maximum Output Voltage | 12V dc |
| SMPS Output Current | 250mA |
| Minimum Input Voltage | 85V ac |
| EMC Emission | Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3 |
Key Features
- Compact and fully potted unit suitable for PCB mounting.
- Universal input voltage range of 85V ac to 305V ac for worldwide use.
- High efficiency up to 78% with low no-load power consumption.
- Class II isolation with built-in EMI and EMC filtering components.
- Overvoltage, overload, and short circuit protection for reliability.
- Wide operating temperature range from -30°C to 85°C.
- Constructed with phenolic case providing resistance to dust and moisture.
- Meets safety and EMC standards including UL 62368-1 and EN55022 Class B.
Product Description
MEAN WELL IRM-03-12S encapsulated Switching Power Supply delivers a stable 12V dc output with 3W power capacity in a compact surface mount design. It integrates a phenolic case and full silicone potting ensuring durability, moisture and dust resistance, and enhanced heat dissipation. Designed for industrial and automation applications, this power supply supports a universal AC input range of 85V to 305V and provides an output current of 250mA.
The IRM-03 Series features high efficiency of up to 78% and low no-load power consumption below 0.075W, making it energy efficient and compliant with global power consumption standards. It employs a Class II isolation design with comprehensive EMI and EMC filtering to minimize electromagnetic interference and enhance device stability.
Safety is prioritized through certifications including UL 62368-1, IEC 62368-1, and TUV BS EN/EN 62368-1, alongside conformity to EMC emission and immunity standards like EN55022 (CISPR22) Class B and EN61000 series tests. Protection against overvoltage, overload, and short circuits is incorporated to ensure operational reliability in harsh industrial conditions.
This surface mount power supply is cooled naturally by free air convection and is suitable for integration into handheld electronic devices, factory automation equipment, mechanical and industrial electrical systems.
Compact encapsulated construction with resistance to dust and moisture. Universal AC input with a wide voltage range up to 305V AC. High efficiency and low power loss at no load. Class II isolation and robust EMI/EMC filtering components.
Multiple protection features including overvoltage and short circuit. Wide operating temperature range suitable for various industrial environments. Fully compliant with international safety and EMC standards.
Set within the Electronics & Electricals category, this power supply is essential for reliable and efficient power conversion in modern industrial and commercial systems. Explore more power supplies and transformers on EnvMart for your technical needs.
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Frequently Asked Questions
The IRM-03-12S provides a stable output voltage of 12V dc with a power capacity of 3W.
It has an efficiency rating of up to 78% with low no-load power consumption below 0.075W.
The dimensions of the IRM-03-12S are 37mm in length, 24mm in width, and 16mm in depth.
The maximum output current for this model is 250mA.
It operates within a wide temperature range from -30°C to 85°C.
It includes overvoltage, overload, and short circuit protection for enhanced reliability.
This power supply is designed for surface mounting.
It meets safety and EMC standards including UL 62368-1 and EN55022 Class B.
It features a phenolic case and is fully potted with silicone for moisture and dust resistance.
It employs built-in EMI and EMC filtering components to minimize electromagnetic interference.
This model is designed for industrial and automation applications, suitable for integration into handheld devices and factory automation equipment.
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