# ABB E1B 800A 3P Circuit Breaker PR121 - Industrial Protection

The **ABB E1B 800 PR121 P-LSIG 1SDA055618R1** circuit breaker is a robust solution designed for heavy-duty electrical applications, offering superior protection and reliability. This 800A, 3-pole circuit breaker is engineered to safeguard against overloads and short circuits in demanding industrial environments. Its advanced features ensure optimal performance and operational efficiency, making it an essential component for modern electrical systems.

This **ABB E1B 800 PR121 P-LSIG** circuit breaker incorporates the PR121 protection relay, providing enhanced safety features and a quick response to potential faults. The design ensures ease of installation and maintenance, suitable for both commercial and industrial applications. This circuit breaker is built with high-quality materials and precision engineering, ensuring long-lasting performance and dependable protection for your valuable equipment.

Key Features:

-   **800A Amperage Rating**: Provides robust protection for high-current applications.
-   **3-Pole Design**: Ensures comprehensive protection for three-phase electrical systems.
-   **PR121 Protection Relay**: Offers advanced safety features and rapid fault detection.
-   **Compact Design**: Facilitates easy installation and saves valuable space.
-   **1SDA055618R1 Product Code**: Guarantees a genuine ABB product.

**Specifications**: The ABB E1B 800 PR121 P-LSIG circuit breaker operates at a high amperage of 800A and is designed for use in industrial settings. It is a 3-pole breaker with the PR121 protection relay, ensuring reliable performance under various load conditions.

Trust the **ABB E1B 800 PR121 P-LSIG** circuit breaker to deliver dependable performance and protect your critical industrial or automation systems. This product is a testament to ABB's commitment to quality and innovation. For more information or assistance, contact [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Industrial Breakers
- **Tags:** 3-pole circuit breaker, 800A, ABB, ABB circuit breaker, circuit protection, industrial electrical

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA055618R1 | 999.00 USD | In stock |

## Images

- ABB E1B 800A 3P Circuit Breaker PR121 - Industrial Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e1b-800a-3p-pr121)
> Updated: 2026-10-03