Siemens 3RH1921-2FA22 Auxiliary Switch Block
The Siemens 3RH19212FA22 Auxiliary Switch Block is a dependable SIRIUS series component designed to enhance the switching functionality of contactor systems. It provides precise auxiliary switching with reliable electrical performance and durable construction for industrial control applications.
Manufacturer: Siemens
Type: Auxiliary Switch Block
Model: 3RH1921-2FA22
Technical Information
- Brand Name: SIRIUS
- Series Designation: 3RH19
- Insulation Voltage: 690 V AC
- Rated Surge Voltage Resistance: 6 kV
- Switching Capacity: DC-13: 24 V, 10 A / 220/230 V, 0.3 A ” AC-15: 24 V, 6 A / 220/230 V, 6 A
- Poles No.: 4-Poles
- Contact: 2 Normally Open (NO) + 2 Normally Closed (NC)
- Protection Class: IP20
- Ambient Temperature: -25 … 60 °C
- Dimensions: 38 x 44 x 51 mm









