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MCB DX3 6000A 4 Pole 40A Curve D | IP20 Rated | 6kA Breaking Capacity | by Legrand

BRAND: Legrand
SKU: 408151
$403.50 List price: $502.90
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MCB DX3 6000A 4 Pole 40A Curve D is designed for reliable circuit protection in residential and small commercial electrical panels. With a breaking capacity of 6000A and IP20 protection, it ensures safety and compliance with AS/NZS 3000 standards. Ideal for electricians, this miniature circuit breaker features a D curve tripping threshold and is compatible with various connection types for versatile installation.

Product Name/Title: MCB DX3 6000A 4 Pole 40A Curve D | IP20 Rated | 6kA Breaking Capacity | by Legrand

Brand: Legrand

SKU: 408151

Alternatively Known As: Miniature Circuit Breaker 4P 40A D Curve, Legrand DX3 MCB 6000A, 4 Pole Circuit Breaker 40 Amp D Curve

Technical Specifications
  • Rated current: 40 A
  • Number of poles: 4
  • Rated voltage: 400 V AC
  • Rated insulation voltage Ui: 500 V
  • Rated impulse withstand voltage Uimp: 4 kV
  • Rated short-circuit breaking capacity Icn: 6 kA at 400 V
  • Rated short-circuit breaking capacity Icu: 25 kA at 230 V, 10 kA at 400 V
  • Frequency: 50-60 Hz
  • Release characteristic: D curve
  • Degree of protection: IP20
  • Pollution degree: 2
  • Connectable conductor cross section: multi-wired 1.5-25 mm², solid-core 1.5-35 mm²
  • Mounting method: DIN rail
  • Flush-mounted installation: Yes
  • Concurrently switching neutral conductor: Yes
  • Degree of impact strength: IK02
  • Operating ambient temperature: -25 to 70 °C
  • Storage temperature: -40 to 70 °C
  • Connection type: Screwed terminal
  • Electric supplying direction: Top or bottom
  • Colour: Grey (RAL 7035)
  • Halogen free: Yes
  • Dimensions (H x L x W): 95mm x 78mm x 71mm
  • Weight: 0.3 kg
Key Features
  • Breaking capacity of 6000A according to IEC 60898-1 standard
  • Tripping threshold between 400A and 560A (D curve)
  • IP20 protection against solid bodies larger than 12.5mm
  • Can be supplied by copper cable, prong busbar, fork busbar, or Legrand HX3 plug busbar
  • Equipped with label holder for clear circuit identification
  • On/Off indication on handle with red and green backgrounds
  • Compatible with Legrand DX3 auxiliaries, RCD add-on modules, and accessories
  • Can connect to aluminium cable with terminal accessory
Professional Installation Requirements
  • Installation should be performed by a qualified electrician in compliance with local electrical installation rules to ensure safety and warranty validity.
Applications
  • Residential and small commercial electrical panels
  • Protection of electrical circuits in homes and small businesses
  • Circuit protection in distribution boards
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Designed with substance-restriction compliance and environmentally conscious manufacturing process
  • Halogen-free materials reduce environmental impact
Warranty Information

Warranty terms as provided by Legrand, typically covering manufacturing defects. Installation by qualified personnel recommended to maintain warranty validity.

Available Now

The Legrand MCB DX3 6000A 4 Pole 40A Curve D Miniature Circuit Breaker is available for immediate purchase, ideal for residential and small commercial electrical panel protection.