# E3V 1250A 4p Circuit Breaker ABB - PR121-LSI Protection

The **E3V 1250 PR121-LSI 1250A 4p Circuit Breaker** from ABB is a critical component for safeguarding electrical systems. This robust circuit breaker is designed for demanding industrial applications, offering reliable protection against overloads and short circuits. Ideal for use in power distribution, motor control, and other automation systems, it ensures the safety and operational efficiency of your equipment.

This **ABB circuit breaker** features advanced PR121-LSI technology, providing comprehensive protection with long-time, short-time, and instantaneous trip functions. The 1250A current rating and 4-pole configuration make it suitable for a wide range of installations. The durable construction and precision engineering of the **E3V 1250A** ensure longevity and dependable performance in harsh environments. The **ABB E3V series** is known for its high quality and reliability. The **1SDA056585R1** part number is designed for easy identification and replacement.

**Key Features:**

-   **1250A Current Rating:** Handles heavy electrical loads efficiently.
-   **PR121-LSI Protection:** Offers advanced protection with LSI trip functions.
-   **4-Pole Configuration:** Provides versatile installation options.
-   **ABB Quality:** Ensures reliability and long-term performance.
-   **Durable Construction:** Built to withstand the rigors of industrial use.

**Specifications:**

Current Rating: 1250A

Poles: 4

Series: E3V

Technology: PR121-LSI

Choose the **E3V 1250 PR121-LSI 1250A 4p Circuit Breaker** for superior protection and performance in your industrial or automation systems. Trust in ABB’s expertise to keep your operations running smoothly. For any inquiries, please contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Molded Case Circuit Breakers
- **Tags:** 1250A, 1SDA056585R1, 4p, ABB, circuit breaker, E3V, electrical protection, industrial automation, PR121-LSI

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056585R1 | 999.00 USD | In stock |

## Images

- E3V 1250A 4p Circuit Breaker ABB - PR121-LSI Protection-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/e3v-1250a-4p-circuit-breaker-abb)
> Updated: 2026-10-02