Siemens 84 A SIRIUS Motor Protection Circuit Breaker, 20 → 690 V

The Siemens circuit breaker is designed specifically for motor protection, integrating advanced thermal overload release technology. This product ensures reliable operation within a wide ambient temperature range and is able to detect phase failures, making it invaluable for diverse industrial applications. Built to withstand high operational and short-circuit currents, this circuit breaker complements existing installations effortlessly while offering the safety and efficiency that modern machinery requires. Its compact dimensions enable easy mounting on standard DIN rails, allowing quick integration into existing systems.

Compact design supports diverse installation options
Multiple operating frequencies enhance flexibility
Easy maintenance with accessible terminals
Enhanced electrical endurance for reliability
Auxiliary switch options for extended functionality