Siemens 3RH1921-1HA22-3AA1 Auxiliary Switch Block
Siemens 3RH1921-1HA22-3AA1 auxiliary switch block for motor contactors.
The Siemens 3RH1921-1HA22-3AA1 is an auxiliary switch block, part of the SIRIUS line, designed for integration with Siemens motor contactors. While specific detailed specifications for this exact sub-variant can be nuanced, it typically follows the configuration of the base 3RH1921-1HA22, often implying a 2 NO + 2 NC contact arrangement for use with contactors in sizes S0 to S3.
This type of auxiliary switch block is crucial in industrial control panels for providing additional signaling or interlocking functions. Its application spans across various sectors including manufacturing, material handling, and process industries where reliable control is paramount.
Stanlo Automation, a veteran-owned surplus parts distributor, is your trusted source for specialized components like the Siemens 3RH1921-1HA22-3AA1. We understand the importance of having the right parts to keep your operations running smoothly.
| Product Type | Auxiliary Switch Block |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Contact Configuration | Typically 2 NO + 2 NC (verify specific sub-variant) |