# ABB E1B 1000A Circuit Breaker PR121P-LI 4P – Industrial Protection

The **ABB E1B 1000A PR121P-LI 4P W MP** circuit breaker is a critical component for safeguarding electrical systems. Designed for demanding industrial applications, this circuit breaker offers robust protection and reliable performance. It is ideal for use in a wide range of settings where efficient power distribution and equipment safety are essential.

This **ABB E1B** circuit breaker is engineered to deliver superior protection against overloads and short circuits. The **PR121P-LI** trip unit provides advanced protection features ensuring the safety of your electrical circuits. With a 1000A current rating and a 4P configuration, this circuit breaker ensures efficient power management. It is a reliable solution for maintaining continuous operation in industrial environments.

Key Features:

-   **1000A** current rating for heavy-duty applications.
-   **4P** configuration for comprehensive circuit protection.
-   **PR121P-LI** trip unit for advanced protection.
-   Robust construction for enhanced durability.
-   Designed for industrial automation and electrical systems.

Specifications:

-   Current Rating: 1000A
-   Poles: 4P
-   Model: PR121P-LI
-   Brand: ABB

The **ABB E1B 1000A PR121P-LI 4P W MP** circuit breaker delivers exceptional performance and reliability for your industrial systems. Trust in **ABB's** commitment to quality and innovation to protect your valuable equipment and ensure smooth operations. Use it in your industrial and automation systems.

For inquiries, contact [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Molded Case Circuit Breakers
- **Tags:** 1000A, ABB, circuit breaker, electrical protection, industrial automation, PR121P-LI

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA059172R1 | 999.00 USD | In stock |

## Images

- ABB E1B 1000A Circuit Breaker PR121P-LI 4P – Industrial Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e1b-1000a-pr121p-li-4p)
> Updated: 2026-10-03