ABB GJR2391500R1210 81EU01H-E Input Module

Parameter

Specification

Manufacturer

ABB

Model Number

81EU01H-E

Order Code / Part No.

GJR2391500R1210

Product Type

Power Supply Module

System Compatibility

Procontrol P14 Series

Input Voltage

85–264V AC / 90–300V DC (wide-range)

Input Frequency

47–63 Hz

Output Voltage

24V DC

Output Current

5A (nominal), 7.5A (peak)

Output Power

120W

Efficiency

> 88%

Protection Features

Overload, overvoltage, short-circuit, overtemperature

Redundancy Support

Yes (parallel operation for N+1 redundancy)

Isolation

3000V AC (input to output)

Cooling

Convection-cooled (no fan)

What is the output capacity of the ABB 81EU01H-E?

The module provides 24V DC output with a continuous current rating of 5A (120W) and a peak current capacity of 7.5A for short-duration loads such as contactor pick-up or inrush currents.

Can the 81EU01H-E be used in a redundant power configuration?

Yes. The module supports parallel operation for N+1 redundancy. Multiple 81EU01H-E units can be connected in parallel to provide system power, with automatic load sharing. This configuration ensures uninterrupted operation if one power supply fails.

What is the difference between the 81EU01H-E and the 81EU01E?

The 81EU01H-E represents an enhanced revision with improved efficiency (>88% vs. earlier revisions), wider input voltage range, and updated component sourcing for extended lifecycle availability. Both modules are physically and functionally compatible within Procontrol P14 systems.

Does this module require external cooling or fans?

No. The 81EU01H-E is convection-cooled and designed to operate without a fan. It can be mounted vertically or horizontally within a standard control cabinet, provided adequate clearance for airflow is maintained.

What protection features are included?

Overload Protection: Automatic current limiting with recovery
Overvoltage Protection: Output clamps to safe levels
Short-Circuit Protection: Hiccup mode with automatic restart
Overtemperature Protection: Thermal shutdown with auto-recovery