Legrand DX3 thermal-magnetic circuit breaker with 16kA breaking capacity, 4-pole configuration, 2A rated current, C-curve characteristic, IP20 protection, and advanced energy limitation for reliable overload and short-circuit protection in residential and commercial installations.
The Legrand DX3 MCB 10000A is a premium thermal-magnetic circuit breaker designed to protect residential and small commercial wiring installations against overloads and short-circuits. With a 16kA breaking capacity at 230V and 10kA at 400V, this 4-pole device delivers reliable protection with a 2A rated current and C-curve release characteristic. The breaker features IP20 protection rating, ensuring safety against solid bodies larger than 12.5mm, and incorporates advanced energy limitation technology (Class 3) for maximum protection efficiency.
This DX3 circuit breaker is engineered for easy installation on DIN rails with dual clamps positioned on both top and bottom, allowing independent removal without disrupting the busbar supply. The device supports multiple connection methods including copper cables, prong bushars, fork bushars, and Legrand HX3 plug bushars, making it highly versatile for various installation configurations. Built with halogen-free materials and environmentally conscious manufacturing processes, it complies with RoHS and REACH regulations while maintaining excellent performance standards across operating temperatures from -25°C to 70°C.
The MCB features convenient label holders for clear circuit identification and intuitive ON/OFF indication printed on the handle with red and green backgrounds for easy status recognition. Compatible with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories, this circuit breaker offers comprehensive customization options. With a carbon footprint of 3.933 kgCO₂eq during the manufacturing phase, it represents a sustainable choice for modern electrical installations requiring reliable overload and short-circuit protection.
Key Features
- 16kA breaking capacity at 230V with 10kA at 400V for reliable short-circuit protection
- 4-pole configuration with 2A rated current and C-curve release characteristic for optimal protection
- IP20 protection rating ensuring safety against solid bodies larger than 12.5mm
- Energy limitation Class 3 technology for maximum let-through energy control
- DIN rail mounting with dual top and bottom clamps for independent removal without busbar disruption
- Multiple connection options including copper cables, prong bushars, fork bushars, and HX3 plug bushars
- Compatible with Legrand DX3 auxiliaries and RCD add-on modules for enhanced functionality
- Halogen-free construction with environmentally conscious manufacturing process
- Clear circuit identification with label holder and intuitive ON/OFF indication
- Operating temperature range from -25°C to 70°C with excellent performance stability
Technical Specifications
| Specification |
Value |
| Product Type | Thermal-Magnetic Circuit Breaker (MCB) |
| Breaking Capacity | 16kA at 230V / 10kA at 400V according to IEC 60898-1 |
| Number of Poles | 4 poles (3 protected + neutral) |
| Rated Current | 2A |
| Release Characteristic | C-curve (5In to 10In tripping threshold) |
| Rated Voltage | 400V AC |
| Rated Insulation Voltage | 500V |
| Impulse Withstand Voltage | 4kV |
| Current Limiting Class | Class 3 (maximum energy limitation) |
| Protection Degree | IP20 (fingerproof against solid bodies >12.5mm) |
| Impact Strength | IK02 |
| Mounting Method | DIN rail with dual clamps |
| Width in Modular Spacings | 4 modules (70.8mm) |
| Height | 94.8mm |
| Depth | 77.8mm (built-in depth: 44mm) |
| Connection Type | Screwed terminal |
| Conductor Cross Section (Multi-wired) | 1.5-25mm² |
| Conductor Cross Section (Solid-core) | 1.5-35mm² |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Frequency | 50-60Hz |
| Pollution Degree | 2 |
| Colour | Grey (RAL 7035) |
| Halogen Free | Yes |
| Carbon Footprint (Manufacturing) | 3.933 kgCO₂eq |
| Reference Number | 409330 |
| EAN Code | 3245064093309 |
| Neutral Conductor Switching | Yes (concurrently switching) |
| Additional Equipment Compatible | Yes (DX3 auxiliaries, RCD modules, accessories) |
| Flush-Mounted Installation | Yes |
Order Legrand DX3 MCB 4P 2A Curve C Circuit Breaker | 409330 at wholesale prices for companies and factories in Iraq and Middle East, get the best deals on bulk purchases, contact us today.