# ABB RER 111C-AA Star Coupler - Distribution Automation Component

The ABB RER 111C-AA Star Coupler, a critical component in distribution automation systems, ensures reliable and efficient communication between various elements. Designed by ABB, a leader in industrial automation, this star coupler provides seamless operation and optimal performance within demanding environments.

This versatile coupler, operating with U1aux and U2aux voltage inputs ranging from 110-240 VAC/DC, adapts to a wide array of power sources. Its robust design and high-quality construction guarantee dependable performance, making it ideal for upgrading existing systems or as a reliable replacement.

-   **Efficient Communication:** Ensures reliable data transfer within distribution systems.
-   **Versatile Voltage Input:** Compatible with 110-240 VAC/DC power sources.
-   **Durable Construction:** Built to withstand demanding industrial conditions.
-   **Optimal Performance:** Designed for seamless operation and improved system efficiency.
-   **ABB Quality:** Manufactured by ABB, a trusted name in automation.

**Specifications:**

Voltage Input: 110-240 VAC/DC

If you're looking for a dependable star coupler for your industrial or automation needs, the ABB RER 111C-AA is an excellent choice. Enhance your system's reliability and performance with this trusted ABB component. For further assistance, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Automation Components > Star Couplers
- **Tags:** ABB, automation components, distribution automation, industrial automation, RER 111C-AA, star coupler

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| RER 111C-AA / USED | 999.00 USD | In stock |

## Images

- ABB RER 111C-AA Star Coupler - Distribution Automation Component-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-rer-111c-aa-star-coupler)
> Updated: 2026-10-01