Instantaneous
Siemens catalog image for this reference; may represent the product family.
AUXILIARY SWITCH
3RH2911-1HA31 — Auxiliary switch
SKU 3RH2911-1HA31auxiliary switch, on the front, 3 NO + 1 NC, .1/.2, .3/.4, .3/.4, .3/.4, current path: 1 NC, 1 NO, 1 NO, 1 NO screw terminal, for contactors 3RT2 and contactor relays 3RH2
Active Product
0,05569 KgNet weight
3RH2911-1HA31Product reference
SiemensManufacturer
PRODUCT DATA
Technical specifications
Source: Siemens product catalog.
Verified September 21, 2026.
| Product reference | 3RH2911-1HA31 |
|---|---|
| Manufacturer description | auxiliary switch, on the front, 3 NO + 1 NC, .1/.2, .3/.4, .3/.4, .3/.4, current path: 1 NC, 1 NO, 1 NO, 1 NO screw terminal, for contactors 3RT2 and contactor relays 3RH2 |
| Product Family | Instantaneous |
| Net weight | 0,05569 Kg |
| Packaging dimensions (L x W x H) | 58,00 x 54,00 x 43,00 mm |
| Country of origin | Czech Republic |
| EAN | 4011209829350 |
| UPC | 662643910131 |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Siemens reference ↗.