# ABB E3N2500W Automatic Transfer Switch - 2500A 3P - LSIG

The **ABB E3N2500W PR122 P LSIG In2500A 3P Automatic Transfer Switch** is a crucial component for ensuring uninterrupted power supply in critical applications. This robust switch, designed for industrial settings, seamlessly transfers power between two sources, safeguarding equipment and operations. It is engineered to provide reliable performance and efficient power management. With its advanced features, this transfer switch is a dependable solution for maintaining continuous power.

This **automatic transfer switch** features a 2500A current rating and a 3-pole configuration, capable of handling demanding electrical loads. The **PR122 protection relay** is integrated to monitor and control the transfer process, guaranteeing the safety of your electrical system. The LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) trip unit offers comprehensive protection against overloads and short circuits, ensuring the longevity of your equipment. For those asking, 'What happens during a power outage' The switch automatically transitions to the backup power source, guaranteeing continuous operation.

-   **Seamless Power Transfer:** Ensures uninterrupted power supply, critical for industrial operations.
-   **High Current Rating:** Supports heavy loads with its 2500A capacity.
-   **Advanced Protection:** The LSIG trip unit protects against overloads and short circuits.
-   **Reliable Performance:** ABB's reputation for quality ensures dependable power switching.
-   **3-Pole Configuration:** Designed for efficient power distribution in various industrial setups.

The **E3N2500W** switch operates at a high current rating, suitable for demanding environments. Its construction and advanced protection features make it a dependable choice for any application that needs seamless power source switching. Trust in the **ABB** brand for all your automatic transfer switch needs, ensuring the reliability and efficiency of your industrial or automation systems. For more information or assistance, contact Ram Automations at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Power Distribution > Transfer Switches
- **Tags:** 2500A, ABB, automatic transfer switch, E3N2500W, industrial power, LSIG, power backup, PR122 Relay, transfer switch 3-phase

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056133R1 | 999.00 USD | In stock |

## Images

- ABB E3N2500W Automatic Transfer Switch - 2500A 3P - LSIG-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e3n2500w-transfer-switch)
> Updated: 2026-10-02