# ABB E3S 1600 PR121 LSIG Circuit Breaker 1600A 3-Pole

The **CLASSIC ABB E3S 1600 PR121 LSIG** is a robust 1600A, 3-pole circuit breaker, engineered for dependable performance in industrial electrical systems. This critical component ensures the safety and operational efficiency of your equipment, protecting against overloads and short circuits. It's designed for seamless integration and long-lasting reliability, making it a valuable asset for any industrial setting.

This circuit breaker features advanced protection capabilities. The **ABB E3S 1600 PR121 LSIG** provides adjustable long-time, short-time, instantaneous, and ground fault trip settings (LSIG). This versatility allows for precise calibration, tailored to your specific system requirements, ensuring optimal protection. Its durable construction guarantees longevity and consistent performance, even under demanding conditions. The **1SDA056210R0001** product code signifies compatibility with ABB products and easy installation.

Key Features:

-   **1600A Current Rating:** Handles high power demands with ease.
-   **3-Pole Design:** Provides comprehensive protection for three-phase systems.
-   **LSIG Protection:** Offers adjustable settings for versatile protection against various fault conditions.
-   **Durable Construction:** Ensures long-term reliability and performance.
-   **ABB Quality:** Built to ABB's high standards for safety and efficiency.

Specifications:

Current Rating: 1600A  
Poles: 3  
Trip Unit: PR121 LSIG

The **CLASSIC ABB E3S 1600 PR121 LSIG** circuit breaker is a trusted solution for safeguarding your electrical infrastructure. Its superior performance and unwavering reliability make it an indispensable component for any industrial or automation system. For any assistance, you can contact us on email [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Industrial Breakers
- **Tags:** 1600A, 3-pole circuit breaker, ABB, circuit breaker, electrical protection, industrial automation

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056210R0001 | 999.00 USD | In stock |

## Images

- ABB E3S 1600 PR121 LSIG Circuit Breaker 1600A 3-Pole-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e3s-1600-pr121-lsig)
> Updated: 2026-10-03