DIN Rail Power Supplies

Slim power supplies designed for compact DIN rail setups and tight budgets.

Compact DIN rail power supplies, less than 2.5 cm wide.
Ideal for powering Ethernet switches and media converters.
Equipped with DC power indicator LEDs.
Universal 85 to 264 VAC input; compatible with 120 to 370 VDC (no certification).
Extended temperature range from -20 to +70 °C.
Touch-safe terminals.
Protection against short circuit, overload, and overvoltage.
Certifications: cUL, CE.
Warranty: 3-Year Double Diamond™ (Standard)

These slim DIN rail power supplies provide a reliable power source for Ethernet switches, media converters, and other network devices. With universal input compatibility and robust protection features, these units are well-suited for challenging environments.

Technical Specifications:

Protection Mechanisms:

• MDR-40-12/24:
- Overload: 105–150% of rated output; hiccup mode protection, auto recovery.
- Overvoltage: 13.8–16.2 V; shuts down output voltage, requires repower to recover.

• MDR-40-48:
- Overload: 105–150% of rated output; constant current limiting, auto recovery.
- Overvoltage: 58–65 V; shuts down output voltage, requires repower to recover.


Power:

• MDR-40-12:
- Output:
- DC voltage: 12 V
- Rated current: 3.33 A
- Current range: 0–3.33 A
- Rated power: 40 W
- Voltage tolerance: ±1.0 %
- Line regulation: ±1.0 %
- Load regulation: ±1 %
- Setup, rise time: 500 ms, 30 ms/230 VAC; 500 ms, 30 ms/115 VAC
- Input:
- Voltage range: 85–264 VAC, 120–370 VDC
- Frequency range: 47–63 Hz
- Efficiency: 86 %
- AC current: 1.1 A/115 VAC, 0.7 A/230 VAC


• MDR-40-24:
- Output:
- DC voltage: 24 V
- Rated current: 1.7 A
- Rated power: 40.8 W
- Voltage tolerance: ±1.0 %
- Input:
- Voltage range: 85–264 VAC, 120–370 VDC
- Efficiency: 88 %


• MDR-40-48:
- Output:
- DC voltage: 48 V
- Rated current: 0.8 A
- Rated power: 40.8 W
- Voltage tolerance: ±1.0 %
- Input:
- Efficiency: 88 %


Environmental:

• Operating temperature: -20 to +70 °C
• Storage temperature: -40 to +85 °C
• Humidity: 20–90 %, non-condensing
• Vibration resistance: 10–500 Hz, 2G, IEC60068-2-6

Dimensions:

• MDR-40-12/24/48: 9 H x 4 W x 10 D cm
Weight:

• MDR-40-12/24/48: 0.3 kg