Siemens SIRIUS 3RT2 Contactor, 175 → 280 V Coil, 3-Pole, 125 A, 37 kW, 3NO/1NC, 1 kV

The Siemens power contactor is engineered to meet the demands of modern automation and control applications. With a robust three-pole design, it supports operational currents up to 80 A, making it suitable for various AC-3 and AC-4 applications. The integrated varistor enhances safety by providing surge voltage protection, while the spring-loaded terminals ensure reliable connections in control and auxiliary circuits. This product is designed for efficiency and longevity, featuring a mechanical service life rated up to 5 million operating cycles. Its extensive compatibility with different voltage ranges and high operational temperatures makes it a versatile choice for industrial environments, ensuring reliability in diverse settings.

Integrated varistor for enhanced surge protection
Designed for high operational temperatures with a wide ambient temperature range
Exceeds typical mechanical service life expectations ensuring durability