ABB 1SDA066146R1 UVR-C A1-A2 220-240Vac-220-250Vdc Under Voltage Coil FORMULA Series Circuit Breaker Accessory

The ABB UVR-C A1-A2 220-240Vac-220-250Vdc (SKU: 1SDA066146R1) is a under voltage coil accessory designed for ABB FORMULA series circuit breakers, providing reliable under-voltage protection by automatically tripping the breaker when supply voltage drops below the specified threshold. Rated for 220–240 V AC and 220–250 V DC, this compact coil accessory weighs just 0.106 kg and integrates directly into compatible FORMULA series breaker frames for seamless panel installation.

Technical Specifications

Certifications & Standards

• IEC: Designed and tested in accordance with applicable IEC standards for low-voltage electrical accessories
• CE: CE marked, confirming conformity with applicable European Union directives
• RoHS: Compliant with the Restriction of Hazardous Substances Directive, limiting use of harmful materials
• REACH: Compliant with EU REACH regulation on chemical substance safety
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal

Applications & Use Cases

• Under-voltage protection in industrial control panels and motor control centres
• Automatic circuit disconnection during voltage sags or supply failures in manufacturing and process automation
• Integration into FORMULA series MCCB frames for enhanced protection in commercial and industrial distribution boards
• Suitable for both AC and DC control circuits operating at 220–250 V, offering flexibility across diverse installation environments