3RH29111DA11 | auxiliary switch, lateral, 1 NO + 1 NC, on the left: 41/42, 53/54, on the right: 21/22, 33/34, current path: 1 NC, 1 NO, screw terminal, for contactors 3RT2.1 Siemens
₹1,980.00 Original price was: ₹1,980.00.₹910.80Current price is: ₹910.80. Excl. GST
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The Siemens 3RH29111DA11 is a contact block, engineered for industrial, commercial, and infrastructure applications in demanding Indian and international installations. Buy the 3RH29111DA11 | auxiliary switch, lateral, 1 NO + 1 NC, on the left: 41/42, 53/54, on the right: 21/22, 33/34, current path: 1 NC, 1 NO, screw terminal, for contactors 3RT2.1 Siemens online at myelectric.in with GST invoice, genuine-product assurance, and fast delivery across India — bulk and worldwide export enquiries welcome.
📋 Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Siemens |
| Part Number / SKU | 3RH29111DA11 |
| Category | Contact Block |
| Series / Model | 3RT |
| Contact Configuration | 1 NO + 1 NC |
| Standard | IEC 60947-4-1, IS 13947 |
| Certifications | BIS certified, CE, cULus (select models) |
⚡ Key Features
- 1 NO + 1 NC 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 1 NO + 1 NC contact configuration on the 3RH29111DA11 mean?
A: This device has both Normally Open (NO) and Normally Closed (NC) contacts. NO contacts close when the device operates (energised/tripped); NC contacts open. This allows both start-interlock and stop-interlock circuits from a single device.












