# ABB E3V 800A Circuit Breaker PR121 LSIG - Industrial Protection

The **ABB E3V 800 PR121 LSIG** circuit breaker is engineered for superior performance in industrial applications. This robust 800A, 4-pole circuit breaker provides reliable electrical protection, ensuring the safety and efficiency of your systems. Designed for demanding environments, the **ABB E3V 800 PR121 LSIG** is a crucial component for safeguarding electrical infrastructure.

This circuit breaker is built to meet the highest industry standards, offering advanced protection capabilities with its LSIG functionality. The **MP 1SDA056554R1 ABB** model ensures long-lasting performance and reliability. It is an essential component for any electrical setup, providing comprehensive protection against overloads, short circuits, and ground faults.

Key Features:

-   **800A Current Rating** for handling high electrical loads.
-   **LSIG Protection** for advanced fault protection.
-   **4-Pole Design** for comprehensive circuit control.
-   **Robust Construction** for durability in industrial settings.
-   **ABB Quality** ensuring reliability and longevity.

Specifications:

Current Rating: 800A

Poles: 4

Model: **E3V 800 PR121 LSIG**

The **ABB E3V 800 PR121 LSIG** circuit breaker offers unparalleled reliability and performance, protecting your electrical systems from potential damage. Trust in the ABB brand for quality and innovation in electrical protection. Ensure the optimal performance of your industrial or automation systems with this essential component. For any inquiries, contact Ram Automations at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Breakers > Low Voltage
- **Tags:** 4-pole circuit breaker, 800A Circuit Breaker, ABB, ABB E3V, Electrical Safety, Industrial Circuit Breaker, LSIG Protection, MP 1SDA056554R1

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056554R1 | 999.00 USD | In stock |

## Images

- ABB E3V 800A Circuit Breaker PR121 LSIG - Industrial Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e3v-800a-pr121-lsig)
> Updated: 2026-10-02