Siemens 3RH1921-1CD10 Auxiliary Contact Block, 1NO, Front Mount, Frame Size S0
The SIEMENS Auxiliary Switch (MPN 3RH1921-1CD10) is a front-mounted auxiliary contact block with one normally open (1NO) contact, designed for Frame Size S0. It is compatible with the SIRIUS 3RT1 contactor series…
SKU 3G-OTH-38667
Also listed as: 3RH19211CD10 · 3RH1921 1CD10
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SIEMENS Auxiliary Switch (MPN 3RH1921-1CD10) is a front-mounted auxiliary contact block with one normally open (1NO) contact, designed for Frame Size S0. It is compatible with the SIRIUS 3RT1 contactor series, providing a single switching function for control and signaling applications.
Frequently Asked Questions
What is the SIEMENS 3RH1921-GDC-2.5A auxiliary switch used for?
The SIEMENS 3RH1921-GDC-2.5A auxiliary switch provides a single normally open (1NO) contact for control and signaling in industrial motor control circuits. It mounts on the front of SIRIUS 3RT1 contactors (Frame Size S0) to indicate contactor status or enable interlocking logic.
What are the specifications of the SIEMENS 3RH1921-GDC-2.5A?
The SIEMENS 3RH1921-GDC-2.5A is a front-mounted auxiliary contact block with 1 normally open (1NO) contact. It is designed for Frame Size S0 and is compatible with the SIRIUS 3RT1 contactor series. The manufacturer part number is 3RH1921-GDC-2.5A.
Where to buy the SIEMENS 3RH1921-GDC-2.5A worldwide?
3G Electric supplies the SIEMENS 3RH1921-GDC-2.5A auxiliary switch to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Siemens SIRIUS component.
How to install the SIEMENS 3RH1921-GDC-2.5A auxiliary switch?
Install the SIEMENS 3RH1921-GDC-2.5A by clipping it onto the front of a SIRIUS 3RT1 contactor (Frame Size S0) until it locks. Ensure the contactor is de-energized before installation. Wire the normally open (1NO) terminal per your control schematic. Follow Siemens installation guidelines for torque and clearance.
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Common applications for SiemensSiemens Products
3G Electric supplies Siemens siemens auxiliary contacts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
