Description
Siemens 3RH1921-1HA22 | SIRIUS Auxiliary Switch Block (2NO + 2NC)
Expand your control system’s capabilities with the Siemens 3RH1921-1HA22 auxiliary switch block. This high-performance component snaps directly onto the front of your SIRIUS power contactors, providing immediate expansion for signaling and interlocking circuits.
Engineered for the demanding environments of industrial automation, this 4-pole block ensures reliable switching and long-term durability.
Technical Specifications
- Series: SIRIUS 3RH1
- Mounting Position: Front
- Number of Poles: 4
- Contact Configuration: 2 NO + 2 NC
- Rated Operational Current (AC-15): 6A at 230V
- Conventional Thermal Current (Ith): 10A
- Protection Class: IP20
- Compatibility: Siemens 3RT1 Contactors and 3RH1 Contactor Relays
