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MEAN WELL ERDN2012 Redundancy Module

The MEAN WELL ERDN20 series is a 20A redundancy module that can be used with a power supply to improve overall system operation reliability. Product key features include 5V/12V/24V/48V input voltage selection, support N+1 and 1+1 redundancy systems, built-in two rails DC input contacts and single output. The MOSFET technology implemented can reduce heat loss and reduce the voltage difference between the input and output voltages, built-in 2 channels DC OK relay contacts for monitoring output status, ultra-wide operating temperature of -40 to +80°C.

Authorized Distributors
Source:Newark
Part No:ERDN20-12
Stock:3
Inv Date:06-16-2026
Price: Unit price: $33.71
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Source:DigiKey
Part No:ERDN20-12
Stock:69
Inv Date:06-16-2026
Price: Unit price: $25.1
Buy/RFQ:
Part No:ERDN20-12
Stock:109
Inv Date:06-17-2026
Price: Unit price: $25.1
Buy/RFQ:
Part No:ERDN20-12
Stock:0
Inv Date:06-16-2026
Price: Unit price: $29.85
Buy/RFQ:
Part No:ERDN20-12
Stock:1
Inv Date:06-16-2026
Price: Unit price: $25.1
Buy/RFQ:
Part No:ERDN20-12
Stock:1
Inv Date:06-16-2026
Price: Unit price: $25.1
Buy/RFQ:
Part No:ERDN20-12
Stock:0
Inv Date:06-16-2026
Price: Unit price: $23.88
Buy/RFQ:

MEAN WELL ERDN2012 Redundancy Module Specifications:

  • Input Voltage: 5V/12V/24V/48V
  • Output Current: 20A
  • Voltage Drop (Vin-Vout) (max.): 0.2V
  • Efficiency (Typ.): 97%
  • Safety Standards: IEC62368-1, UL62368-1, EAC TP TC 004
  • Working Temperature: -40 ~ +85°C
  • Working Humidity: Not specified
  • Storage Temperature: Not specified
  • Temp. Coefficient: ±0.03%/℃(0 ~ 60℃)
  • Vibration: Not specified
  • MTBF: 1853.5K hrs min. (Telcordia SR-332) / 378.7K hrs min. (MIL-HDBK-217F)
  • Dimension: Not specified
  • Packing: 0.206Kg; 45psc/10.3Kg/0.76CUFT
  • Overload: 30A, 5Sec. No damage
  • Withstand Voltage: 65Vdc
  • Isolation Resistance: Not specified
  • Environment: BS EN/EN55032(CISPR32)
  • EMC Emission: BS EN/EN55032(CISPR32)
  • EMC Immunity: BS EN/EN61000-4-2, BS EN/EN61000-4-3, BS EN/EN61000-4-4, BS EN/EN61000-4-5, BS EN/EN61000-4-6, BS EN/EN61000-4-8
  • ESD: Level 4, 15KV air ; Level 3, 8KV contact; criteria A
  • Radiated: Level 3, 10V/m ; criteria A
  • EFT / Burst: Level 4, 30A/m ; criteria A
  • Surge: Level 3, 10V ; criteria A
  • Conducted: Level 3, 2KV ; criteria A
  • Magnetic Field: Level 3, 2KV ; criteria A
  • Harmonic Current: Not specified
  • Voltage Flicker: Not specified
  • Peak Current (max.): 30A, 5Sec. No damage
  • Number of Input: 2 Channels
  • Both Inputs Voltage Alarm: =5V, 12V, 24V, 48V

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Frequently Asked Questions

Where can I buy MEAN WELL ERDN2012?

You can click on the BUY or RFQ button to purchase ERDN2012 from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part ERDN2012?

You can download the ERDN2012 datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of ERDN2012?

MEAN WELL

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