such as those found in electric furnaces
Capacitor energy storage module (nonremovable)
Hot Swapping: Not allowed (per intrinsic safety requirements)
Response Time: 12 ms activation
Certifications: CE-marked (EU Low Voltage and EMC Directives)
ABB REF541 Feeder Terminal Relay Dual-Channel Speed/Key Monitor Module such as those found inDescription The ABB REF541 is a multifunctional feeder protection relay designed for medium voltage distribution systems. It integrates protection, control, measurement, and automation capabilities into a single compact unit. Specifications Product Type: Feeder Protection Relay Model: REF541 Application Scope: Medium voltage networks, switchgear, capacitor banks, and motors Protection Functions: Overcurrent, earth fault, phase unbalance, motor