Air Circuit Breaker (ACB)

DMX3 Air Circuit Breakers (ACBs)

ABB DMX3 Air Circuit Breakers (ACBs) - Switchgear - Auxiliary Equipment Display Windows Device Pos

Legrand’s DMX3 Air Circuit Breakers (ACBs) provide efficient protection and control for electrical systems up to 6300 A, ensuring reliability and safety in various building types.

  • Compact Dimensions: Efficient space utilization inside electrical panels.

  • Auxiliary Equipment Display Windows

  • Device Position Indicator : Indicates positions – Plugged in, Test, Drawn-out.

  • Applications : Ideal for main electrical panels and other high-current installations where reliable protection and space efficiency are paramount.

Technical Specifications

  • Rated Operational Voltage (Ue) : 690 VAC, 50/60 Hz

  • Rated Insulation Voltage (Ui) : 1000 VAC, 50/60 Hz

  • Rated Impulse Withstand Voltage (Uimp) : 12 kV

  • Ambient Temperature Range: -5°C to 70°C

  • Humidity : 55°C with 95% relative humidity, conforms to IEC 68-2-30

  • Breaking Capacities : Available in three capacities :

    • DMX3 N: 50 kA

    • DMX3 H: 65 kA

    • DMX3 L: 100 kA

  • Rated Currents : Covers 11 rated currents from 630 A to 6300 A.

  • Available in both fixed and draw-out versions.

Moulded Case Circuit Breakers

DRX MCCB

ABB Drx MCCB - Circuit Breakers - Technical Specifications

High-Value, Custom Solutions

The Indian ecosystem is value-conscious, demanding solutions that address their needs while managing budgets effectively. The Legrand DRX MCCB series delivers exceptional value, making world-class electrical protection accessible and affordable.

Technical Specifications

  • Rated Current (In)

    • From 16A to 250A (DRX 250HP)

    • From 320A to 630A (DRX 630)

  • Breaking Capacity (Icu) at 415V

    • 25kA, 36kA, 50kA

  • Rated Service Short-Circuit Breaking Capacity (Ics)

    • 100% Icu

  • Protection Features

    • Overload protection

    • Short circuit protection

  • Thermal Magnetic Range

    • Adjustable thermal protection: Ir from 0.8 to 1 x In

    • Adjustable magnetic protection: Ii from 5 to 10 x In

3 Poles and 4 Poles options

  • Comprehensive Solutions

    • Suitable for a wide range of applications across industries

    • Ideal for residential, commercial, and industrial sites requiring protection and remote tripping functions

  • Robust Design

    • Rugged construction for reliability in high temperatures

    • Operates efficiently up to 50°C

The Legrand DRX MCCB range provides customizable, high-value solutions tailored to local needs, ensuring optimal performance and protection for diverse applications.

Moulded Case Circuit Breakers

DPX3 MCCB

ABB RTX3 Thermal Relays - Contactors and Contactor Relays

Elevate Your Electrical Infrastructure with DPX3 MCCBs

Transform your low voltage panels with the cutting-edge features and precise protection offered by DPX3 MCCBs.

  • Enhanced Protection : DPX3 MCCBs are designed to deliver reliable and precise protection for your electrical lines, safeguarding against overloads and short circuits to ensure the safety of your installations.

  • Integrated Measurement : Benefit from the integrated measurement capabilities of DPX3 MCCBs, allowing you to monitor crucial installation parameters and energy consumption with ease. This feature enables efficient energy management and helps in identifying potential issues promptly.

  • Adaptability and Customization : Easily customize your DPX3 MCCBs by fitting them with a range of electrical auxiliaries. This adaptability provides added functionality and control over your electrical infrastructure, catering to specific requirements and enhancing overall performance.

  • Automatic Transfer Switch Functionality : Utilize DPX3 MCCBs as an Automatic Transfer Switch for seamless power switching. This feature ensures continuity of power supply, minimizing downtime and potential losses in critical situations where instant power switching is essential.

  • Selectivity Techniques for Optimal Performance : Implement advanced selectivity techniques with DPX3 MCCBs to optimize the continuity of service. These techniques enable precise coordination between circuit breakers, ensuring efficient operation and protection against disruptions.

Miniature Circuit Breakers

DX3 Miniature Circuit Breakers (MCBs)

ABB DX3 Miniature Circuit Breakers (MCBs) - Switchgear

Legrand’s DX3 MCBs are designed for reliable protection against overloads and short circuits in both residential and commercial installations. They are built to ensure safety and performance, making them ideal for a variety of applications.

Technical Specifications :

  • Poles : Single Pole (SP), Double Pole (DP), Triple Pole (TP), and Four Pole (FP).

  • Rated Voltage : 230/400 V AC.

  • Operating Temperature : -5°C to +40°C.

  • Range : 0.5 A to 63 A, suitable for different electrical loads.

  • Breaking Capacity : 10 kA, 16 kA, 25 kA, and 50 kA to handle high fault currents.

  • Tripping Curves : Types C and D for different protection needs.

  • Compliance : Conforms to IEC/EN 60898-1 and IEC/EN 60947-2 standards.

Applications:

  • Residential and commercial electrical distribution systems.

  • Protection of lighting circuits, power circuits, and motor loads with high inrush currents.

  • Mounting : Quick and easy DIN rail mounting.

Residual Current Device (RCD)

ABB Residual Current Device (RCD) - Circuit Breakers

Residual Current Device (RCD) is a crucial electrical safety device designed to protect against electric shocks and fires caused by earth faults.

Key Features of RCD

  • Instant Detection : Detects electrical imbalances instantly and interrupts the circuit to prevent harm.

  • Current Monitoring

    • Monitors the flow of current and trips the circuit if a leakage is detected.

  • Versatile Applications

    • Essential for residential, commercial, and industrial electrical installations.

Importance of RCD in Electrical Safety

  • Additional Protection

    • Provides an extra layer of protection beyond circuit breakers and fuses.

  • Leakage Detection

    • Detects even small current leakages that may go unnoticed but pose significant risks.

  • Reduces Risk

    • Minimizes the risk of electric shocks and electrical fires.

Applications of RCD

  • Residential Use

    • Widely used in homes to safeguard against electrical hazards.

  • Commercial and Industrial Settings

    • Commonly installed in offices, hospitals, and industrial environments to protect lives and property.

Frequently Asked Questions

What Legrand circuit breaker range does eNarayan Elex supply?

eNarayan Elex supplies Legrand DMX3 air circuit breakers (ACBs) rated up to 6300 A, DRX and DPX3 moulded case circuit breakers (MCCBs), and Legrand miniature circuit breakers (MCBs) for low-voltage distribution.

What is the maximum current rating for Legrand DMX3 air circuit breakers?

The Legrand DMX3 air circuit breaker range supplied by eNarayan Elex goes up to 6300 A, making it suited to main incoming and bus-tie protection in large industrial and commercial installations.

What is the difference between Legrand DRX and DPX3 MCCBs?

Both DRX and DPX3 are Legrand moulded case circuit breaker (MCCB) series used for sub-circuit and feeder protection in LV distribution; the specific model chosen depends on the current rating, breaking capacity and application — our team can help match the right series to your panel design.

Are Legrand DMX3 ACBs suitable for large industrial installations?

Yes, DMX3 air circuit breakers rated up to 6300 A are designed for large industrial and commercial LV distribution boards where high current-carrying and breaking capacity is required.

Where can I buy genuine Legrand circuit breakers in Hyderabad?

eNarayan Elex is an authorised Legrand distributor in Hyderabad, supplying the DMX3 ACB, DRX/DPX3 MCCB and MCB range across Telangana and Andhra Pradesh.

Does eNarayan Elex supply Legrand circuit breakers for panel-building/bulk orders?

Yes, eNarayan Elex supplies the full Legrand circuit breaker range at project quantities for panel builders and contractors; contact our Hyderabad office for pricing and stock.