# ABB E4H 4000 PR123 LSIG Circuit Breaker 4000A 4p F HR

Introducing the robust ABB **E4H 4000 PR123 LSIG** circuit breaker, engineered for demanding industrial automation applications. This high-performance 4000A 4-pole unit offers superior protection with its advanced LSIG trip unit, ensuring operational continuity and equipment safety in critical systems.

Designed for reliability, the **E4H 4000 PR123 LSIG** from ABB integrates seamlessly into complex control systems. Its robust construction and precise current limiting capabilities make it an ideal component for safeguarding electrical infrastructure against faults. For industrial settings requiring dependable circuit protection, this breaker delivers exceptional performance and long-term value.

-   **Advanced LSIG Protection** for comprehensive fault detection
-   **High Current Capacity** up to 4000A for heavy-duty applications
-   **Durable Construction** ensuring longevity in industrial environments
-   **Easy Installation and Maintenance** reducing downtime
-   **ABB Brand Reliability** for trusted performance

**Specifications:**

-   Brand ABB
-   Model E4H 4000 PR123
-   Part Number HR ABB
-   Current Rating 4000A
-   Poles 4
-   Protection LSIG

Choose the ABB **E4H 4000 PR123 LSIG** for unmatched circuit protection in your industrial automation setup. Experience the peace of mind that comes with ABB's commitment to quality and innovation. Secure your electrical systems today.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Protection > Circuit Breakers
- **Tags:** 4 pole breaker, 4000A circuit breaker, ABB circuit breaker, ABB E4H 4000 PR123 LSIG, HR ABB part number, industrial automation, LSIG protection

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056863R1 | 999.00 USD | In stock |

## Images

- ABB E4H 4000 PR123 LSIG Circuit Breaker 4000A 4p F HR-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e4h-4000-pr123-lsig-4000a-4p-hr)
> Updated: 2026-09-22