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Havells DHMGIDPX040

The Havells DHMGIDPX040 is a professional-grade 40A 2-Pole Switch Disconnector from the DHMGI Series, specifically engineered for high-reliability isolation in single-phase plus neutral (1P+N) electrical circuits. With its AC-23A utilization category, it is designed to handle the switching of motor loads and highly inductive loads, making it an essential component for residential and commercial distribution boards requiring a robust manual disconnect point.

Quick Answer

The DHMGIDPX040 is a 40-Amp manual main switch used to isolate the power supply in 1-phase + Neutral circuits, ideal for DIN rail mounting in distribution boards where circuit protection is handled by separate MCBs.

✓40A Current Rating optimized for residential and light commercial mains.
✓2-Pole (1P+N) configuration ensuring complete isolation of Phase and Neutral.
✓AC-23A Utilization Category for safe switching of motor and inductive loads.
✓IP40 Ingress Protection with durable, heat-resistant thermoplastic housing.
✓Standard DIN Rail compatibility for quick and secure panel installation.

Choose the Havells DHMGIDPX040 if you require a dedicated, space-efficient 40A isolator that can handle inductive motor loads and fits seamlessly into any standard DIN-rail distribution board.

✓ Who Should Buy

  • •Residential contractors installing primary isolation for 1-phase power mains.
  • •Commercial facility managers needing a robust AC-23A rated switch for motor-driven equipment.
  • •DIY homeowners looking for a high-quality, branded main switch for sub-panel isolation.

✕ Who Should Avoid

  • •Users looking for automatic overcurrent or short-circuit protection (this is a disconnector, not a breaker).
  • •Industrial applications requiring 3-phase (4-pole) isolation.
Product Overview
The Havells DHMGIDPX040 stands as a critical safety interface within the DHMGI series. This manual toggle-operated switch disconnector provides a visible and physical break in the electrical supply, allowing for safe downstream maintenance. Unlike standard switches, the DHMGIDPX040 is built to withstand the rigors of 415V systems, offering a compact yet powerful solution for managing power distribution in modern modular panels. Crafted with high-quality thermoplastic materials, the unit is resilient against environmental stressors and electrical heat. As a non-protective switch, it focuses entirely on the integrity of the contact mechanism, ensuring low contact resistance and high durability. It is a 'fit-and-forget' component that brings Havells' legendary reliability to your electrical infrastructure.

BrandHavells
Model NameDHMGIDPX040
TypeMain Switch Disconnector
SeriesDHMGI Series
Housing MaterialThermoplastic
Country Of OriginIndia
Release Year2015

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Engineering Analysis
The internal architecture of the DHMGIDPX040 utilizes a high-torque screw terminal system designed to prevent localized heating at connection points. The isolation function is prioritized via a positive contact indication mechanism. Because it lacks internal bi-metallic strips (overload) or magnetic coils (short circuit), the internal volume is dedicated to robust copper contact surfaces and arc chutes that efficiently manage the disconnection of 40A at 415V, ensuring the longevity of the switching mechanism over its service life.

Technical Support & FAQs