✅ ABB UVR-C – Undervoltage Release – Cabled – 220–240Vac / 220–250Vdc (Part No.: 1SDA066146R1) The ABB UVR-C (1SDA066146R1) is an undervoltage release module designed to trip circuit breakers when the supply voltage falls below a defined threshold. Operating on both AC (220–240V) and DC (220–250V), this pre-cabled device provides automatic protection against undervoltage events in power distribution systems. It ensures reliable disconnection of critical loads in case of power instability, enhancing overall system safety. Suitable for ABB MCCBs and ACBs. Technical Specifications: Part Number: 1SDA066146R1 Type: Undervoltage Release (UVR-C) Voltage Range: 220–240Vac / 220–250Vdc Function: Automatic breaker tripping during undervoltage Installation: Pre-cabled Compatibility: ABB MCCBs and ACBs Application: Voltage protection, critical load disconnection, automation safety