3RH1921-1KA20 | second lateral Auxiliary switch, 2 NO contacts, screw terminal, for contactors 3RT1 – Siemens

SKU: 3RH1921-1KA20

Original price was: ₹2,150.00.Current price is: ₹989.00. Excl. GST

In stock

In stock

20 People watching this product now!

Order protection

Buy with complete confidence.

We back each order with genuine supply, on-time dispatch and GST or commercial invoicing as required.

Buyer protection on every order
Global DeliveryShipped pan-India and to export markets.
On-Time DeliveryPacked and dispatched on schedule.
100% OriginalFrom brand-authorised channels only.
GST InvoiceCompliant, ITC-ready tax invoice.
Secure PaymentEncrypted, trusted payment gateways.
Also included Dedicated account manager Technical support Bulk & business pricing 3-day replacement

The Siemens 3RH1921-1KA20 is a contact block, engineered for industrial, commercial, and infrastructure applications in demanding Indian and international installations. Buy the 3RH1921-1KA20 | second lateral Auxiliary switch, 2 NO contacts, screw terminal, for contactors 3RT1 online at myelectric.in with GST invoice, genuine-product assurance, and fast delivery across India — bulk and worldwide export enquiries welcome.

📋 Technical Specifications

ParameterValue
BrandSiemens
Part Number / SKU3RH1921-1KA20
CategoryContact Block
Series / Model3RT
Contact Configuration2 NO (Normally Open)
StandardIEC 60947-4-1, IS 13947
CertificationsBIS certified, CE, cULus (select models)

⚡ Key Features

  • 2 NO (Normally Open) contact arrangement — provides the stated switching capacity for control and signalling circuits.
  • IO-Link capable (select models)
  • Manufactured to IEC 60947-3 (disconnectors), IEC 60898, IS 13947, IS 8828 — complies with Indian BIS and IEC international safety standards.
  • BIS certified, CE, cULus (select models) — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
  • Genuine authorised Siemens product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
  • GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.
  • Worldwide export available — UAE, Singapore, UK, USA, Sri Lanka & more. Contact +91 94814 00316 for bulk pricing and international shipping.

❓ Frequently Asked Questions

Q: What does the 2 NO (Normally Open) contact configuration on the 3RH1921-1KA20 mean?

A: These contacts change state when the device is operated or energised. Size the contact for the actual switched load — pilot duty ratings are typically lower than the main contact rating.

Customer Reviews