Trade Discount 20%
MCB DX3 3 Pole 40A Curve C | 25kA Breaking Capacity | IP20 Rated | @EA of 1 | by Legrand
MCB DX3 3 Pole 40A Curve C is designed for reliable circuit protection in residential and small commercial electrical panels. With a breaking capacity of 25kA and IP20 rating, it safeguards against overloads and short circuits, ensuring safety and compliance with AS/NZS 3000 standards. Ideal for qualified electricians, this miniature circuit breaker is built with halogen-free materials for an environmentally conscious choice.
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Product Name/Title: MCB DX3 3 Pole 40A Curve C | 25kA Breaking Capacity | IP20 Rated | @EA of 1 | by Legrand
Brand: Legrand
SKU: 409785
Alternatively Known As: Miniature Circuit Breaker 3P 40A C Curve, Legrand DX3 MCB 3 Pole 40 Amp, 3 Pole Circuit Breaker 40A C Curve
Technical Specifications
- Rated current: 40 A
- Number of poles: 3
- Rated voltage: 400 V AC
- Rated insulation voltage Ui: 500 V
- Rated impulse withstand voltage Uimp: 6 kV
- Rated short-circuit breaking capacity Icu: 25 kA at 400 V
- Frequency: 50-60 Hz
- Degree of protection: IP20
- Pollution degree: 3
- Connectable conductor cross section multi-wired: 1.5-35 mm²
- Connectable conductor cross section solid-core: 1.5-50 mm²
- Mounting method: DIN rail
- Electric supply direction: Top or bottom
- Colour: Grey (RAL 7035)
- Degree of impact strength: IK02
- Operating ambient temperature: -25 to 70 °C
- Storage temperature: -40 to 70 °C
- Release characteristic: C curve
- Flush-mounted installation: Yes
- Concurrently switching neutral conductor: No
- Dimensions (H x L x W): 128mm x 79mm x 80mm
- Weight: 0.3 kg
Key Features
- Breaking capacity 25kA according to IEC 60947-2
- Tripping threshold between 200A and 400A (C curve)
- Protected against solid bodies larger than 12.5mm (IP20)
- Can be equipped with Legrand DX3 auxiliaries, RCD add-on modules and accessories
- Compatible with aluminium cables using terminal accessory
- Red/green mechanical indicator for contact status
- Label holder for clear circuit identification
- Halogen free design
Professional Installation Requirements
- Installation should be performed by a qualified electrician in compliance with installation rules to ensure safety and proper operation.
Applications
- Residential and small commercial electrical panels
- Circuit protection in distribution boards
- Protection of electrical circuits against overload and short circuits
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Designed with an environmentally conscious process
- Halogen free materials reduce environmental impact
Warranty Information
Warranty terms as per Legrand standard product warranty policy.
Available Now
Legrand MCB DX3 3 Pole 40A Curve C Miniature Circuit Breaker is available for immediate purchase, ideal for residential and small commercial electrical panel protection.
