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MCB DX3 3 Pole 125A Curve C | 25kA Breaking Capacity | IP20 Rated | by Legrand
MCB DX3 3 Pole 125A 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 ensures safety and compliance in electrical distribution systems. Ideal for qualified electricians, this miniature circuit breaker is compatible with Legrand DX3 auxiliaries and features a red/green mechanical indicator for easy status monitoring.
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Product Name/Title: MCB DX3 3 Pole 125A Curve C | 25kA Breaking Capacity | IP20 Rated | by Legrand
Brand: Legrand
SKU: 409790
Alternatively Known As: Miniature Circuit Breaker 3 Pole 125A C Curve, Legrand DX3 MCB 3P 125A, 3 Pole Circuit Breaker 125 Amp C Curve
Technical Specifications
- Rated current: 125 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, 50 kA at 230 V
- Frequency: 50-60 Hz
- Degree of protection: IP20
- Pollution degree: 3
- Connectable conductor cross section: multi-wired 6-50 mm², solid-core 6-70 mm²
- Mounting method: DIN rail
- Electric supply direction: top or bottom
- Degree of impact strength: IK02
- Operating ambient temperature: -25 to 70 °C
- Storage temperature: -40 to 70 °C
- Connection type: Screwed terminal, Cable
- Flush-mounted installation: Yes
- Concurrently switching neutral conductor: No
- Dimensions (H x L x W): 128mm x 79mm x 80mm
- Weight: 0.5 kg
Key Features
- Breaking capacity 25kA according to IEC 60947-2
- Tripping threshold between 625A and 1250A (C curve between 5 In and 10 In)
- Protected against solid bodies larger than 12.5mm (IP20 fingerproof)
- 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 standards to ensure safety and proper operation.
Applications
- Residential and small commercial electrical panels
- Circuit protection in electrical distribution systems
- Industrial and commercial electrical installations requiring 3-pole protection
Standards & Compliance
- Complies with 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 per Legrand standard product warranty policy. Installation by qualified personnel recommended to maintain warranty validity.
Available Now
Legrand MCB DX3 3 Pole 125A Curve C Miniature Circuit Breaker is available for immediate purchase, ideal for residential and small commercial electrical panel protection.
