# ABB E3S 1250 PR121-P-LSIG Circuit Breaker 1SDA056202R1

Introducing the powerful **ABB E3S 1250 PR121-P-LSIG In1250A 4p W MP**, a state-of-the-art circuit breaker designed for robust industrial automation and marine applications. This essential component ensures reliable power distribution and crucial protection for your critical systems. Its advanced design offers superior performance and durability, making it a trusted choice for demanding environments. The **ABB E3S 1250 PR121-P-LSIG** provides exceptional circuit protection, safeguarding equipment from electrical faults and surges. It is engineered for seamless integration into sophisticated control systems, enhancing operational efficiency and safety. This part number **1SDA056202R1** signifies a commitment to quality and advanced technology from ABB.

Engineered for demanding electrical infrastructures, the **ABB E3S 1250 PR121-P-LSIG In1250A 4p W MP** operates with precision and efficiency. It is built to handle significant current loads, providing dependable protection in industrial settings. This circuit breaker is a key element in maintaining the integrity of electrical networks, ensuring uninterrupted operations. Its advanced LSIG trip unit offers sophisticated protection features, including long-time, short-time, and instantaneous fault detection. For professionals seeking dependable automation solutions, the **ABB E3S 1250 PR121-P-LSIG**, identified by the part number **1SDA056202R1**, represents a commitment to high standards and operational excellence. Its robust construction ensures longevity even under continuous use.

-   High-performance circuit protection for industrial and marine use.
-   Advanced LSIG trip unit for comprehensive fault detection.
-   Durable construction ensuring long-term reliability.
-   Designed for seamless integration into automation control systems.
-   Trusted ABB quality for critical power applications.

### Specifications:

Current Rating: 1250A  
Configuration: 4-pole  
Model Designation: E3S 1250 PR121-P-LSIG  
Part Number: 1SDA056202R1

Experience the reliability and advanced protection of the **ABB E3S 1250 PR121-P-LSIG**. This circuit breaker is an ideal solution for ensuring the safety and efficiency of your industrial automation systems. Invest in ABB's proven technology for your power distribution needs.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical > Circuit Breakers > Molded Case Circuit Breakers
- **Tags:** 1SDA056202R1, ABB, ABB 1SDA056202R1, ABB E3S 1250 PR121-P-LSIG, Circuit Breaker, Industrial Automation, Marine Electrical, Molded Case Circuit Breaker, Power Distribution

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- ABB E3S 1250 PR121-P-LSIG Circuit Breaker 1SDA056202R1-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e3s-1250-pr121-p-lsig-1sda056202r1)
> Updated: 2026-09-21