# ABB E4H 4000 PR122 P LSI Circuit Breaker 4000A 3 Pole

Introducing the robust ABB E4H 4000 PR122 P LSI circuit breaker, engineered for demanding industrial automation systems. This 3-pole breaker offers exceptional protection with its 4000A current rating and advanced PR122 protection relay, ensuring operational reliability and safety. Trust in ABB's HR technology for superior performance and durability in critical electrical infrastructure.

This advanced circuit breaker is designed to seamlessly integrate into modern control systems. The E4H 4000 PR122 P LSI provides essential safeguards against overloads and short circuits, minimizing downtime and protecting valuable machinery. Its three-pole configuration ensures comprehensive phase protection, making it an indispensable component for high-capacity industrial applications. Experience enhanced system stability and efficiency with this reliable ABB solution.

What makes the E4H 4000 PR122 P LSI ideal for your facility? Its advanced protection capabilities and high current handling ensure uninterrupted operations. This breaker is perfect for industrial environments requiring dependable electrical safety and performance.

-   **High Performance**: Delivers reliable 4000A current rating for heavy-duty applications.
-   **Advanced Protection**: Features the PR122 protection relay for comprehensive fault detection.
-   **Durable Construction**: Built with ABB's HR technology for long-lasting industrial use.
-   **System Compatibility**: Designed for seamless integration into industrial automation and control systems.

Invest in the integrity of your electrical systems with the ABB E4H 4000 PR122 P LSI. Its precision engineering and robust design guarantee optimal safety and efficiency for your operations. Secure your critical infrastructure today.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Protection > Circuit Breakers
- **Tags:** 3 pole breaker, 4000A circuit breaker, ABB circuit breaker, ABB HR technology, E4H 4000 PR122 P LSI, electrical protection, industrial automation, PR122 relay

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056852R1 | 999.00 USD | In stock |

## Images

- ABB E4H 4000 PR122 P LSI Circuit Breaker 4000A 3 Pole-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e4h-4000-pr122-p-lsi-4000a-3pole)
> Updated: 2026-09-22