Shop Legrand DX3 MCB 4 Pole 50A Circuit Breaker Type B | 409070 In Iraq Best Prices
Thermal magnetic 4-pole 50A circuit breaker with 10kA breaking capacity, B curve release, IP20 protection, and DIN rail mounting for reliable electrical installation protection.
The Legrand DX3 MCB 10000A is a thermal magnetic circuit breaker designed to protect wiring installations against overloads and short circuits. With a breaking capacity of 10kA at 400V and B curve release characteristic for precise tripping, this 4-pole 50A device provides reliable protection for residential and small commercial applications. The circuit breaker features a modern design with clear ON/OFF indication on the handle, mounted on a label holder for easy circuit identification.
This MCB is equipped with two DIN rail clamps (top and bottom) allowing independent removal while the busbar remains in place. It offers IP20 protection against solid bodies larger than 12.5mm (fingerproof) and complies with IEC 60898-1 standard for household installations. The device features energy limitation class 3 according to IEC 60898-1, ensuring maximum protection of downstream equipment. With rated voltage of 400V and insulation voltage of 500V, this circuit breaker can be supplied by copper cable, prong busbar, fork busbar, or Legrand HX3 plug busbar.
The DX3 MCB is compatible with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories, making it highly adaptable to different installation requirements. Its halogen-free design demonstrates environmental responsibility, while the screwed terminal connection type ensures secure and reliable wiring. Operating temperature range from -25°C to 70°C makes it suitable for diverse climatic conditions. This product should be installed in compliance with local installation rules, preferably by a qualified electrician.
Key Features
- 10kA breaking capacity at 400V with B curve release characteristic for precise tripping between 3-5 In
- 4-pole configuration with 50A rated current at 400V for comprehensive circuit protection
- IP20 fingerproof protection against solid bodies larger than 12.5mm per IEC/EN 60529 standard
- Energy limitation class 3 according to IEC 60898-1 for maximum downstream equipment protection
- DIN rail mounting with independent removal capability while busbar remains in place
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories
- Clear ON/OFF indication on handle with label holder for easy circuit identification
- Halogen-free design demonstrating environmental responsibility
- Screwed terminal connection type ensuring secure and reliable wiring
- Operating temperature range -25°C to 70°C for diverse climatic conditions
Technical Specifications
| Specification |
Value |
| Product Name | MCB DX3 10000A 4 Pole 50A Curve B |
| Reference Number | 409070 |
| EAN Code | 3245064090704 |
| Brand | Legrand |
| Number of Poles | 4 poles |
| Rated Current | 50 A |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage | 500 V |
| Rated Impulse Withstand Voltage | 4 kV |
| Breaking Capacity at 230V | 16 kA (Icn) / 32 kA (Icu) |
| Breaking Capacity at 400V | 10 kA (Icn) / 16 kA (Icu) |
| Release Characteristic | B curve (3-5 In) |
| Current Limiting Class | Class 3 |
| Frequency | 50-60 Hz |
| Degree of Protection | IP20 (fingerproof) |
| Width in Modular Spacings | 4 modules |
| Width | 70.8 mm |
| Height | 94.8 mm |
| Depth | 77.8 mm (built-in depth: 44 mm) |
| Weight | Approximately 400 g |
| Connection Type | Screwed terminal |
| Connectable Conductor Cross Section | 1.5-25 mm² (multi-wired) / 1.5-35 mm² (solid-core) |
| Mounting Method | DIN rail (two clamps - top and bottom) |
| Supply Direction | Top or bottom |
| Colour | Grey (RAL 7035) |
| Degree of Impact Strength | IK02 |
| Pollution Degree | 2 |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +70°C |
| Halogen Free | Yes |
| Flush-mounted Installation | Yes |
| Concurrently Switching Neutral | Yes |
| Additional Equipment Possible | Yes (DX3 auxiliaries, RCD add-on modules) |
| Explosion-proof | No |
| Carbon Footprint (Manufacturing) | 3.827 kg CO₂ eq. |
| Standards Compliance | IEC 60898-1, IEC/EN 60529, IEC 60947-2 |
| Warranty | Standard manufacturer warranty applies |
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