# E3V 800 PR121 LSIG ABB - 800A 4 Pole Circuit Breaker

The **E3V 800 PR121 LSIG** ABB circuit breaker is a robust solution designed for industrial applications requiring dependable electrical protection. This **800A**, **4-pole** circuit breaker ensures the safety and efficient operation of your critical systems. Ideal for use in a wide range of industrial environments, it offers superior performance and peace of mind.

This ABB circuit breaker, part number **E3V 800 PR121 LSIG**, is engineered for durability and longevity. The **LSIG** functionality provides advanced protection, detecting and responding to electrical faults effectively. Its design facilitates easy installation and maintenance, making it a practical choice for professionals. This circuit breaker is designed to handle high current loads, ensuring the continuous operation of your equipment.

Key Features:

-   **800A** Current Rating: Provides substantial protection for heavy-duty applications.
-   4-Pole Design: Ensures comprehensive protection for three-phase electrical systems.
-   **LSIG** Protection: Offers advanced fault detection and response capabilities.
-   F Type Design: Simplifies installation and maintenance procedures.
-   Reliable ABB Quality: Guarantees dependable performance and longevity.

Specifications:

Current Rating: 800A

Poles: 4

Series: E3V

Choose the **E3V 800 PR121 LSIG** circuit breaker from ABB for unparalleled reliability and performance in your industrial or automation systems. Trust in ABB’s reputation for quality to safeguard your critical infrastructure. For any queries, 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:** 4 Pole Circuit Breaker, 800A Circuit Breaker, ABB, E3V 800 PR121 LSIG, Electrical Protection, Industrial Automation

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056538R1 | 999.00 USD | In stock |

## Images

- E3V 800 PR121 LSIG ABB - 800A 4 Pole Circuit Breaker-Ram Automations

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