Catalog > Electro-Mechanical Components > Industrial Automation Auxiliary Switch Auxiliary Switch Switch 3RH2911-1HA13 Auxiliary Switch, On The Front, 1 NO + 3 NC, .1/.2, .1/.2, .1/.2, .3/.4, Current Path: 1 NC, 1 NC, 1 NC, 1 NO 28.90 ZAR inc for 1 Each 2 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Product: Siemens SIRIUS Auxiliary Switch Block Model Number: 3RH2911-1HA13 Contact Configuration: 1 NO (normally open) + 3 NC (normally closed) instantaneous contacts Mounting Type: Front mount (snap-on) Terminal Type: Screw terminals Suitability / Use With: For use with Siemens 3RT and 3RH contactors and contactor relays Rated Operational Current (Aux. Contacts): 10 A (AC-12) at 24 V and 230 V Rated Operational Current (AC-15): 6 A at 24 V and 6 A at 230 V typical; 3 A at 400 V; 1 A at 690 V Rated Operational Current (DC-12): 10 A at 24 V; 3 A at 110 V; 1 A at 220 V Insulation Voltage (Ui): 690 V Surge (Impulse) Withstand Voltage (Uimp): 6 kV Mechanical Service Life: ~10 000 000 operations Electrical Endurance: ~200 000 operations (AC-15 230 V) Contact Reliability: 1 incorrect operation per 100 million at 17 V, 1 mA Protection Class (Front): IP20 Operating Temperature: –25 °C to +60 °C Storage Temperature: –55 °C to +80 °C Weight: ~56 g Design / Family: Auxiliary switch block for control circuits Downloads Datasheet PDF File 410.88 KB