The SIEMENS 3TB43 22-0XF0 is a highly reliable and durable AC contactor engineered for demanding industrial motor control and power distribution applications. Manufactured by Siemens Electrical Apparatus Ltd. in Suzhou, this size 22E contactor features three main normally open (NO) poles and an integrated 2NO+2NC auxiliary contact configuration for versatile signaling and interlocking capabilities. Designed for the AC-3 utilization category, it delivers a rated operational current of 22A at 380V and efficiently supports motor power ratings up to 11kW (15 HP). Equipped with a robust AC coil operating at 36V (50Hz) or 42V (60Hz), it ensures precise switching performance. Fully compliant with IEC/EN 60947-4-1 and GB14048.4 standards, this contactor guarantees exceptional safety, longevity, and electrical performance in automated control systems.