Vacuum Breakers

FIND THE TRIP UNITS AND RELAYS YOU NEED

RS Breakers & Controls stocks a comprehensive inventory of new, reconditioned, and obsolete trip units and relays from every major manufacturer. From electronic and thermal-magnetic trip units for circuit breakers to overcurrent relays, differential relays, motor protection relays, and safety relays, our trip units and relays inventory covers the full spectrum of electrical protection and monitoring devices. All previously used products are tested to ANSI and CSA standards, and every unit ships with a detailed test report and full 2-year warranty.

More about trip units and relays

Trip units and relays are the brains of electrical protection systems, monitoring circuit conditions and initiating protective actions when abnormal conditions are detected. RS Breakers & Controls carries the complete range of trip units and relays including electronic trip units, thermal-magnetic trip units, MicroLogic trip units, solid state trip units, overcurrent relays, differential relays, distance relays, ground fault relays, motor protection relays, transformer protection relays, voltage relays, frequency relays, multifunction digital relays, control and auxiliary relays, time delay relays, monitoring and metering relays, and safety relays. Whether you need to replace a failed trip unit, upgrade protection capabilities, or add monitoring functions, our trip units and relays inventory has the products you need.