TPN Single Door QVE Series DB Suitable for MCB / RCCB / Isolator as incomer 12 Way Regal Grey Havells | DHDQTHCSRW12
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📋 Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Leading Brand |
| Part Number / SKU | DHDQTHCSRW12 |
| Category | Miniature Circuit Breaker (MCB) |
| Poles | 4 Poles |
| Ways | 12 way |
| Standard | IS 8828 / IEC 60898-1 (residential) and IEC 60947-2 (industrial) |
| Certifications | BIS certified where applicable |
⚡ Key Features
- 4 Poles — protects a three-phase four-wire circuit with switched neutral; fits standard 35mm DIN rail in distribution boards.
- Thermal-magnetic trip mechanism — bimetal element trips on sustained overload, instantaneous magnetic trip on short-circuit; two independent protection functions in one compact module.
- Manufactured to IS 8828 / IEC 60898-1 (residential) and IEC 60947-2 (industrial) — complies with the applicable Indian BIS and IEC international standards for this product category.
- BIS certified where applicable — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
- Genuine authorised Leading Brand 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 happens when the DHDQTHCSRW12 trips — how do I identify and reset it?
A: When the DHDQTHCSRW12 trips on fault, the handle moves to a midway position (between ON and OFF), distinctly visible from a distance. To reset: (1) identify and rectify the fault, (2) push the handle fully to OFF, (3) then switch back to ON. Never force-reset without investigating the fault cause.
Q: Is the DHDQTHCSRW12 suitable for both single-phase and three-phase systems?
A: The DHDQTHCSRW12 with 4 Poles can protect three-phase circuits. Each pole simultaneously interrupts one phase — ensuring all phases are de-energised on a fault.
Q: Can the DHDQTHCSRW12 be DIN rail mounted in any standard distribution board?
A: Yes. This Leading Brand MCB uses the standard 35mm EN 60715 DIN rail and 17.5mm module width, making it compatible with all major brand distribution boards and enclosures. Terminal capacity accommodates both rigid and flexible conductors up to the rated cross-section.













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