Siemens 3RH1921-1CA10 Auxiliary Switch Block
Auxiliary Switch Block
The Siemens 3RH1921-1CA10 Auxiliary Switch Block offers 690V insulation, 10A AC-12 rated current, and IP20 protection. Designed for precision and durability in industrial control applications.Siemens 3RH1921-1CA10 Auxiliary Switch Block
The Siemens 3RH1921-1CA10 Auxiliary Switch Block is a reliable and high-performance component designed for industrial control applications. As part of the SIRIUS series, it ensures precise switching, durability, and compliance with international standards, making it suitable for demanding electrical environments.
Manufacturer: Siemens
Type: Auxiliary Switch Block
MNR: 3RH1921-1CA10
Brand: SIRIUS
Current Ratings:
Designed for industrial automation and electrical control systems, the Siemens 3RH1921-1CA10 delivers excellent performance, safety, and longevity.
| Product Designation | Auxiliary switch |
| Insulation Voltage Ui | 690 V |
| Rated Current Ie AC-12 | 10 A |
| Surge Voltage Resistance | 6 kV |
| Contact Configuration | 1 Normally Open Contact |
| DC-13 | 10A @ 24 V DC, 0.3A @ 220/230 V DC |
| AC-15 | 6A @ 24 V AC, 6A @ 220/230 V AC |
| Protection Class (Front) | IP20 |
| Standard Compliance | IEC 60947, VDE 0660 |
| Operating Temperature Range | -25 to +60 °C |
| Electrical Connection Type | Screw-Type Terminals |
| Dimensions | 40 x 11 x 51 mm |














