# ABB REJ525B 415BAA Overcurrent Earth Fault Relay - Distribution Automation

The ABB REJ525B 415BAA Overcurrent Earth Fault Relay offers reliable protection for distribution automation systems. This relay, manufactured by ABB OY in Finland, ensures optimal performance and longevity for your electrical systems.

This ABB relay features a wide range of voltage options, including Uaux= 110-240 VAC and Uaux= 48-220 VDC, with a frequency range of 50/60Hz and an input current of 1/5A (Io). It is designed to provide a fast response time and high level of accuracy in overcurrent and earth fault situations. The **REJ525B 415BAA** is an essential component for distribution automation.

**Key Features:**

-   **Reliable Protection:** Protects against overcurrent and earth fault situations.
-   **Fast Response Time:** Ensures quick response to fault conditions.
-   **Wide Voltage Range:** Accommodates various voltage options.
-   **Compact Design:** Lightweight and easy to install.
-   **High Accuracy:** Provides precise measurements for optimal performance.

**Specifications:**

Voltage options include Uaux= 110-240 VAC and Uaux= 48-220 VDC, with a frequency range of 50/60Hz and an input current of 1/5A (Io).

Trust in the quality and performance of ABB products with the **ABB REJ525B 415BAA** relay for your distribution automation needs. Its robust design and reliable operation make it a valuable asset for any industrial or automation system.

[info@ramautomations.com](mailto:info@ramautomations.com)

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Protection Relays > Overcurrent/Earth Fault Relay
- **Tags:** ABB, ABB relay, distribution automation, earth fault relay, industrial relay, overcurrent relay, protection relay, REJ525B 415BAA

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Parts | 999.00 USD | In stock |

## Images

- ABB REJ525B 415BAA Overcurrent Earth Fault Relay - Distribution Automation-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-rej525b-415baa-overcurrent-relay)
> Updated: 2026-09-19