BlackBox MDR-40-12 DIN RAIL POWER SUPPLY 40W 12VDC

Universal Power Supplies for DIN Rail

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 inputs, also functional 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 compact, reliable power supplies are designed to support tight DIN rail installations, providing stable power for network devices and media converters. They include robust protection features against short circuits and overloads and operate efficiently across a broad temperature range (-20 to +70 °C), making them suitable for more challenging applications.

Technical Specifications:

Protection Mechanisms:

• MDR-40-12/24:
- Overload: 105–150% rated output power; protection type: hiccup mode, automatic recovery after fault clearance.
- Overvoltage: 13.8–16.2 V; output voltage shuts down, repower required.

• MDR-40-48:
- Overload: 105–150% rated output power; protection type: constant current limiting, automatic recovery after fault clearance.
- Overvoltage: 58–65 V; output voltage shuts down, repower required.


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
- 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
- Input:
- Efficiency: 88 %


Environmental:

• Operating temperature: -20 to +70 °C
• Storage temperature: -40 to +85 °C
• Humidity: 20–90 %, non-condensing
• Vibration resistance: component — 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