# ABB E1N PR121-P-LI 1SDA055736R1 1250A 4P Circuit Breaker

Ensure reliable electrical protection with the ABB E1N PR121-P-LI **1SDA055736R1** circuit breaker. This robust **1250A 4P** device is engineered for demanding industrial automation applications, offering superior safety and performance. It is an essential component for safeguarding critical machinery and power systems against electrical faults, minimizing downtime and operational risks. The **ABB E1N** series represents a commitment to quality and durability in electrical infrastructure.

Engineered for high-capacity power management, the **ABB E1N PR121-P-LI** features a substantial **1250A** current rating across its four poles. This makes it highly suitable for complex control systems and heavy-duty industrial environments. Its advanced design provides efficient overload and short-circuit protection, directly contributing to system integrity and longevity. For those seeking dependable solutions in industrial automation, this circuit breaker offers peace of mind and operational continuity.

-   **High Performance**: Delivers **1250A** rated current for demanding applications.
-   **Robust Protection**: Offers reliable overload and short-circuit safeguards.
-   **Durable Construction**: Built for longevity in industrial settings.
-   **Easy Integration**: Designed for straightforward installation and maintenance.
-   **Brand Trust**: Backed by the quality and reliability of **ABB**.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Protection > Circuit Breakers
- **Tags:** 1250A circuit breaker, 1SDA055736R1, 4 pole breaker, ABB automation, ABB circuit breaker, ABB E1N, electrical protection, industrial automation, PR121-P-LI

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA055736R1 | 999.00 USD | In stock |

## Images

- ABB E1N PR121-P-LI 1SDA055736R1 1250A 4P Circuit Breaker-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e1n-pr121-p-li-1sda055736r1-1250a-4p)
> Updated: 2026-09-18