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Mean Well ERDN20-24 Redundancy Module Power Supply 20A

redundancy module, support 1+1 and 1+N redundancy, relay contacts for monitoring power status

SKU:

ERDN20-24

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Description

The ERDN20 is a Mean Well power converter (operating temperature: -40~+85℃).

Key Features

✓ Wide operating temperature: -40~+85℃
✓ Protections: Short circuit / Overload
✓ DC OK relay contact output
✓ Safety approvals: WITHSTAND VOLTAGE ISOLATION RESISTANCE IEC62368-1, UL62368-1, EAC TP TC 004
✓ 3 years warranty

Specifications

Brand

Mean Well
Series

ERDN Series
Power Rating

480 Watt
Output Voltage

24 Volt
Rated Current

20 Ampere
Input Voltage

19V~29V
Standards Met

CB,CE,EAC,UL
Operation Mode

Constant Voltage
Operating Temperature

-40°C~80°C
Warranty

3 Year
Length

9.9 cm
Width

8.2 cm
Height

3.6 cm
Weight

0.21 kg

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Frequently Asked Questions

Can I use the ERDN20-24 in a 24V redundant PLC or automation control system?

Yes, this redundancy module is intended for 24V constant voltage systems and is rated for 20A and 480W. Its listed features include support for 1+1 and 1+N redundancy, which aligns with redundant 24V control power designs.

Is the ERDN20-24 suitable for 24V industrial control panels that need power status monitoring?

It can be a fit for 24V control systems that need redundant power architecture and monitoring. The feature list includes relay contacts for monitoring power status, and the module is rated for 20A output.

Can the ERDN20-24 be used for redundant 24V DC loads in factory automation?

Yes, when the downstream load is a 24V constant voltage load and the total requirement stays within 20A or 480W. The module is specifically described as a redundancy module, not a general-purpose single-output PSU.

How does the ERDN20-24 compare with other ERDN20 redundancy modules?

The sibling list shows ERDN20-5 at 5V, 20A, and 100W, ERDN20-12 at 12V, 20A, and 240W, ERDN20-24 at 24V, 20A, and 480W, and ERDN20-48 at 48V, 20A, and 960W. Across these models, the output current stays at 20A while voltage and total power increase by model.

Is the ERDN20-24 appropriate for harsh indoor environments or outdoor installations?

Its operating temperature range is -40°C to +80°C, which supports demanding temperature conditions. No IP rating is listed in the provided specs, so these specs do not identify it as an outdoor-rated module.

Model	Power	Voltage	Current	IP Rating
Mean Well ERDN20-12 Redundancy Module Power Supply 20A	240W	12V	20A	Indoor	View
Mean Well ERDN20-5 Redundancy Module Power Supply 20A	100W	5V	20A	Indoor	View
Mean Well ERDN20-48 Redundancy Module Power Supply 20A	960W	48V	20A	Indoor	View

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Mean Well ERDN20-24 Redundancy Module Power Supply 20A

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Specifications

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Frequently Asked Questions

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Mean Well ERDN20-24 Redundancy Module Power Supply 20A

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