| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
3 pcs
|
3 pcs | On Request | 1 | On Request | On Request | 2026-02-25 06:16:38 | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Accessory Type | |
| Depth | |
| For Use With | |
| Height | |
| Mounting Type | |
| Termination Style | |
| Width |
This Siemens 3RH1921-2CA10 auxiliary switch is part of the SIRIUS product line, specifically designed as an accessory for 3RT1 contactor relays and power contactors. It provides one normally open (NO) contact and utilizes spring-type terminals for easy and secure connections.
The switch is rated for an insulation voltage of 690V with a pollution degree of 3 and has a surge voltage resistance of 6 kV. It operates within an ambient temperature range of -25°C to +60°C during operation and -55°C to +80°C during storage. The front protection class is IP20.
With a mechanical service life of typically 10,000,000 switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 (230V), this auxiliary switch is built for reliability. It offers various operational currents depending on the AC/DC rating and voltage, including 10A at AC-12 (24V/230V) and up to 6A at AC-15 (24V/230V).
The dimensions are 10mm width, 38mm height, and 51mm depth, with a snap-on mounting type for convenient installation. It also features a mirror contact function according to IEC 60947-4-1.
| Qty | Low | High |
|---|---|---|
| 1+ | $2.00 | $2.00 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Siemens 3RH1921-2CA10 auxiliary switch has one normally open (NO) contact.
The operational current for the 3RH1921-2CA10 at AC-12 and 230V is 10 A.
The electrical endurance of the 3RH1921-2CA10 at AC-15 and 230V is typically 200,000 switching cycles.
The dimensions are 10 mm width, 38 mm height, and 51 mm depth.
The operating temperature range is -25°C to +60°C.
The protection class on the front is IP20.