# ABB E4V 4000 PR121-P-LSI Circuit Breaker 1SDA056937R1

Introducing the **ABB E4V 4000 PR121-P-LSI** circuit breaker, a robust solution for critical industrial automation and marine applications. This high-performance device offers unparalleled protection and reliability for your electrical systems. Designed for demanding environments, the **ABB E4V 4000 PR121-P-LSI** ensures optimal operational continuity and safety.

Engineered with advanced technology, the **1SDA056937R1** breaker is ideal for complex control systems and power distribution networks. Its precise tripping characteristics and durable construction make it a cornerstone component for ensuring system integrity and preventing costly downtime. Experience superior electrical protection with this advanced ABB component.

-   High-performance circuit protection for industrial automation
-   Durable construction for extended operational life
-   Ensures system integrity and prevents electrical faults
-   Designed for reliability in demanding marine environments
-   Advanced technology for precise electrical control

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Breakers > Molded Case Circuit Breakers
- **Tags:** 1SDA056937R1, ABB, ABB circuit breaker, circuit breaker, E4V 4000, electrical protection, industrial automation, marine equipment, PR121-P-LSI

## Variants

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

## Images

- ABB E4V 4000 PR121-P-LSI Circuit Breaker 1SDA056937R1-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e4v-4000-pr121-p-lsi-1sda056937r1)
> Updated: 2026-09-21