# ABB E6H 6300 PR122 LSIG Circuit Breaker 6300A 4p HR

Ensure robust electrical protection with the **ABB E6H 6300 PR122 LSIG** circuit breaker. Designed for demanding industrial automation systems, this 4-pole device offers exceptional performance and reliability. The integrated **LSIG** trip unit provides advanced **Long-Time Short-Time Instantaneous Ground Fault** protection, safeguarding your critical equipment from overcurrents and faults. This circuit breaker is a key component in maintaining operational continuity and safety within complex electrical infrastructure.

Engineered as part of the durable **HR series**, the **ABB E6H 6300 PR122 LSIG** features the versatile **PR122** trip unit. This allows for precise adjustment of protection settings, ensuring optimal system compatibility and security. When you need reliable circuit protection for industrial applications, many ask about performance under load. This breaker is built to handle significant current ratings up to **6300A**, making it suitable for large-scale installations. Its design focuses on efficiency and ease of integration into existing control systems.

-   **High Current Capacity**: Rated for **6300A** for heavy-duty industrial use.
-   **Advanced Protection**: Features **LSIG** trip functions for comprehensive fault detection.
-   **Durable Construction**: Part of ABB's reliable **HR series** for long-term performance.
-   **Adjustable Settings**: The **PR122** trip unit offers customizable protection parameters.
-   **4-Pole Design**: Ensures complete circuit isolation and safety.

### Specifications:

Brand ABB  
Model E6H 6300 PR122 LSIG  
Current Rating 6300A  
Number of Poles 4  
Trip Unit Type LSIG (PR122)

Invest in the trusted quality of **ABB** for your industrial automation needs. The **E6H 6300 PR122 LSIG** circuit breaker represents a commitment to safety and operational excellence. Secure your electrical systems with this powerful and dependable protection solution.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Protection > Circuit Breakers
- **Tags:** 4-pole circuit breaker, 6300A circuit breaker, ABB automation, ABB circuit breaker, E6H 6300 PR122 LSIG, electrical protection, HR series breaker, industrial automation, LSIG protection, PR122 trip unit

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA057021R1 | 999.00 USD | In stock |

## Images

- ABB E6H 6300 PR122 LSIG Circuit Breaker 6300A 4p HR-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e6h-6300-pr122-lsig-6300a-4p-hr)
> Updated: 2026-10-02