Siemens 0.55 → 0.8 A SIRIUS 3RV Motor Protection Circuit Breaker, 690 V ac

Want to stop electrical faults from getting to your motorised equipment? Shut them down with this motor protection circuit breaker from Siemens. Its thermomagnetic breaking function quickly trips when hazardous overcurrent strikes, cutting the risk of machine damage. With a current setting range between 0.55 and 0.8A, the flexible device adjusts to fit its system without a hitch. Resetting it after breaking is no problem, thanks to the handy front-mounted selector switch. As it handles up to 15 operations an hour, this is a reliably hardworking option. Circuit breakers like this one protect equipment in renewable energy installations and the metalworking industry, among other applications.

• Simple screw dial makes adjusting the current setting easy
• Snap-on rail mounting lets you speed through set-up
• Mechanical lifespan of 100,000 operations to ensure long-lasting protection
• Spring-loaded terminals for secure electrical connections
• Slim profile of 106 (H) x 45 (W) x 96mm (D) tucks into busy cabinets

Dedicated motor protection circuit breakers like this one detect motor-specific issues such as vibration and excessive torque, which minimises the risk of hardware damage from multiple sources.