Manufacturer: SIEMENS
Type: Auxiliary Switch Block
Model: 3RH1911-1GA04
Successor: 3RH2911-1GA04

Operating current of the auxiliary contacts at: 24 V,230 V (10A)
Rated Insulation Voltage: 690 V
Frequency: 50 … 60 Hz
Suitability for use: Contactor relay and power contactor
Number of NC contacts for auxiliary contacts: 4
Operation Ambient temperature: –25 … +60
Dimensions: 36.5 x 37.5 x 41 .5 mm