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MCB DX3 2 Pole 20A Curve C | 36kA Breaking Capacity | IP20 Rated | by Legrand
MCB DX3 2 Pole 20A Curve C is designed for reliable circuit protection in residential and small commercial electrical panels. With a breaking capacity of 36kA at 400V and an IP20 rating, it ensures safety and compliance with local electrical standards. Ideal for overcurrent protection, this miniature circuit breaker features a C curve tripping characteristic, making it suitable for general applications.
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Technical Specifications
- Rated current: 20 A
- Number of poles: 2
- Rated voltage: 400 V AC
- Breaking capacity: 36 kA at 400 V, 72 kA at 230 V
- Tripping curve: C (5 to 10 times rated current)
- 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: 1.5-35 mm² multi-wired, 1.5-50 mm² solid-core
- 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 53mm
- Weight: 0.2 kg
Key Features
- Breaking capacity of 36kA at 400V according to IEC 60947-2
- C curve tripping characteristic suitable for general applications
- Red/green mechanical indicator showing open or closed contact status
- Label holder for clear circuit identification
- IP20 protection against solid bodies larger than 12.5mm
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules, and accessories
- Can be connected to aluminium cables with specific terminal accessory
- Halogen free design
Professional Installation Requirements
- Installation should be performed by a qualified electrician in compliance with local electrical installation standards to ensure safety and proper operation.
Applications
- Residential and small commercial electrical panels
- Circuit protection in distribution boards
- Overcurrent protection for electrical circuits
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Designed with an environmentally conscious process
- Halogen free materials reduce environmental impact
- Complies with substance-restriction requirements
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 2 Pole 20A Curve C Miniature Circuit Breaker is available for immediate purchase, ideal for residential and small commercial electrical panel protection.
