# ABB E1B 1250 PR123 LSIG Circuit Breaker - 1250A 4-Pole

Protect your critical electrical systems with the ABB **E1B 1250 PR123 LSIG** circuit breaker. This robust 1250A, 4-pole circuit breaker is engineered for demanding industrial applications, offering superior protection and reliability. Designed to safeguard against overloads, short circuits, and ground faults, the **E1B 1250 PR123 LSIG** ensures the continuous operation of your equipment.

The **E1B 1250 PR123 LSIG** features an advanced LSIG trip unit, providing comprehensive protection with Long-Time, Short-Time, Instantaneous, and Ground Fault functions. This ensures optimal safety for motors, generators, and other vital components. Built by ABB, a leader in electrical solutions, this circuit breaker delivers dependable performance in harsh environments. This makes it an ideal choice for businesses seeking to minimize downtime and enhance the safety of their electrical infrastructure.

-   **Reliable Protection:** The LSIG trip unit offers comprehensive protection against various electrical faults.
-   **High Current Rating:** Handles up to 1250A, suitable for heavy-duty applications.
-   **Durable Design:** Built to withstand harsh industrial environments.
-   **Easy Installation:** Designed for straightforward integration into existing systems.
-   **Brand Trust:** Benefit from the quality and reliability of ABB products.

**Specifications:**

Current Rating: 1250A

Poles: 4

Trip Unit: LSIG

Invest in the **ABB E1B 1250 PR123 LSIG** circuit breaker for unmatched performance and peace of mind. Ensure the safety and efficiency of your industrial or automation systems. For further assistance or to discuss your specific needs, please contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Breakers > Molded Case Circuit Breakers
- **Tags:** 1250A circuit breaker, 4-pole circuit breaker, ABB circuit breaker, E1B 1250 PR123, industrial circuit protection, LSIG circuit breaker

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA055663R1 | 999.00 USD | In stock |

## Images

- ABB E1B 1250 PR123 LSIG Circuit Breaker - 1250A 4-Pole-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e1b-1250-pr123-lsig)
> Updated: 2026-09-18