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MCB DX3 3 Pole 40A Curve C | 50kA 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 50kA and IP20 rating, it safeguards against overloads and short circuits, ensuring safety and compliance with local electrical standards. Ideal for qualified electricians, this miniature circuit breaker is equipped with a red/green mechanical indicator for easy status monitoring.
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Product Name/Title: MCB DX3 3 Pole 40A Curve C | 50kA Breaking Capacity | IP20 Rated | @EA of 1 | by Legrand
Brand: Legrand
SKU: 410165
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
- Rated voltage: 400 V AC
- Breaking capacity: 50 kA at 400 V
- Tripping curve: C
- Number of poles: 3
- Rated insulation voltage Ui: 500 V
- Rated impulse withstand voltage Uimp: 6 kV
- 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
- Operating ambient temperature: -25 to 70 °C
- Storage temperature: -40 to 70 °C
- Degree of impact strength: IK02
- Electric supply direction: Top or bottom
- Connection type: Screwed terminal, Cable
- Dimensions (H x L x W): 128mm x 79mm x 80mm
- Weight: 0.3 kg
Key Features
- Breaking capacity 50kA 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 showing open or closed 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 local electrical 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 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Designed with an environmentally conscious process
- Halogen free materials reduce environmental impact
- Complies with substance-restriction requirements
Warranty Information
Warranty terms as per Legrand standard policy; typically 2 years against manufacturing defects.
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.
