Siemens 3RH1911-1HA01 Auxiliary Contactor, 240V 10A

Siemens 3RH1911‑1HA01 auxiliary contactor designed for use with SIRIUS contactors to provide additional switching contacts in industrial control circuits. This compact auxiliary module expands control functionality, enabling reliable switching of auxiliary circuits with durable construction and easy mounting. Manufacturer: Siemens Model: 3RH1911‑1HA01 Series: SIRIUS Type: Auxiliary Contactor / Auxiliary Contact Block Rated Voltage: Up to 240 V Rated Current: 10 A Contact Configuration: Auxiliary contacts (multiple NO/NC configuration typical for this model) Function: Expansion of auxiliary switching contacts Mounting: Front or side mounting on compatible Siemens contactors Connection Type: Screw terminals Standards: IEC 60947 compliant Frequency: 50/60 Hz Construction: Industrial-grade thermoplastic housing Application: Control circuits, automation systems, motor control panels Compatibility: Siemens SIRIUS contactors and control devices Installation: Snap-on mounting to main contactor body Markings: UL Listed and CE marked (visible on label) Country of Manufacture: Germany