Siemens 3RH1921-2DE11 Auxiliary Switch
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Auxiliary Switch
Siemens 3RH1921-2DE11 SIRIUS auxiliary switch for contactor relays and power contactors, offering 500 V insulation, 6 kV surge resistance, IP20 protection, and snap-on mounting.
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Siemens 3RH1921-2DE11 Auxiliary Switch
The Siemens 3RH1921-2DE11 is a first lateral auxiliary switch designed for reliable operation with contactor relays and power contactors. Part of the SIRIUS product line, it ensures dependable switching performance and compact integration.
Manufacturer: SIEMENS
Type: Auxiliary Switch
MRN: 3RH1921-2DE11
SN: 4 011209517936
| Suitability For Use | Contactor relay and power contactor |
| Product Brand Name | SIRIUS |
| Product Type Designation | 3RH19 |
| Size Of Contactor | S0 |
| Insulation Voltage (AC Rated Value) | 500 V (degree of pollution 3) |
| Surge Voltage Resistance | 6 kV |
| Protection Class (Front) | IP20 |
| Auxiliary Contacts | 1 NC instantaneous, 1 NO instantaneous |
| Ambient Temperature (During Operation) | -25 ... +60 °C |
| Fastening Method | Snap-on mounting |
| Height | 72.5 mm |
| Width | 10 mm |
| Depth | 71 mm |
