# Mean Well MDR-40-12 Power Supply Module - 12V 3.33A DIN Rail

The **Mean Well MDR-40-12** Power Supply Module provides reliable power for industrial automation and control systems. This efficient 12V power supply ensures stable performance for your critical applications.

Designed for DIN rail mounting, the **MDR-40-12** features a 100-240Vac input and delivers 12V at 3.33A. Its robust design includes protection against overload, overvoltage, and short circuits, ensuring reliable operation in demanding environments. Ideal for control panels, industrial machinery, and automation systems.

-   **High Efficiency**: Minimizes energy consumption and heat generation.
-   **DIN Rail Mountable**: Simplifies installation in industrial control cabinets.
-   **Wide Input Voltage Range**: 100-240Vac for global compatibility.
-   **Protective Features**: Overload, overvoltage, and short circuit protection.
-   **Compact Design**: Saves space in your control panel.

**Specifications:**  
Input Voltage: 100-240Vac  
Output Voltage: 12Vdc  
Output Current: 3.33A  
Operating Temperature: -20°C to +50°C  
Weight: 250 Gm

Trust the **Mean Well MDR-40-12** for dependable power in your industrial automation setup. Get yours today and ensure reliable performance.

Also our company name is Ram Automations and also you can contact us on email info@ramautomations.com

## Details

- **Price:** 999.0 USD
- **Vendor:** Mean Well
- **Type:** Power Supplies > Industrial > DIN Rail
- **Tags:** 12v-power-supply, din-rail, industrial-automation, mdr-40-12, mean-well, power-supply

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- Mean Well MDR-40-12 Power Supply Module - 12V 3.33A DIN Rail-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/mean-well-mdr-40-12-power-supply)
> Updated: 2026-09-19