Elevator SIEMEN PLC Auxiliary Switch Module 3RH1921-1HA22 Elevator Spare Parts

Product Description:

• Type: 3RH1921-1HA22 (Auxiliary Switch Module)

• Function: Provides additional normally open (NO) or normally closed (NC) auxiliary contacts for Siemens contactors and relays.

• Mounting: Snap-on attachment to compatible SIRIUS 3RT/3RH contactors.

• Contact Configuration: Typically 1 NO + 1 NC (varies by model, verify for 3RH1921-1HA22).

• Rated Operational Current (Ie): Up to 10 A (AC-15, 230V).

• Mechanical Life: Up to 10 million operations.

• Electrical Life: Up to 100,000 operations (depends on load).

• Insulation Voltage: 500 V.

• Protection Class: IP20 (finger-safe when mounted).

Compatibility:

• Designed for SIRIUS 3RT contactors (e.g., 3RT2, 3RT6) and 3RH relay series.

• Can be used for control circuit feedback, interlocking, or signaling.

Applications:

• Industrial automation (motor control, conveyor systems).

• Safety interlocking in control panels.

• Signal feedback in PLC-controlled systems.

Certifications & Standards:

• CE, UL, cULus (depending on region).

• Complies with IEC 60947-5-1.