Shop Legrand DX3 MCB 3P 63A Curve C 6000A Circuit Breaker | 407865 In Iraq Best Prices
Premium 3-pole 63A thermal-magnetic circuit breaker with 6000A breaking capacity, C-curve characteristic, 400V AC rating, and IP20 finger-safe design for reliable residential and commercial protection
The Legrand MCB DX3 6000A is a premium thermal-magnetic circuit breaker designed for comprehensive protection of residential and small commercial wiring installations. This three-pole breaker features a 63A rated current with C-curve characteristic, delivering exceptional protection against both overloads and short circuits. With a breaking capacity of 6000A according to IEC 60898-1 standard, it provides reliable safety for installations rated at 400V AC. The device incorporates advanced current limiting technology (Class 3) that minimizes let-through energy during fault conditions, ensuring maximum protection for connected equipment and personnel.
This circuit breaker is engineered with IP20 finger-safe design, protecting against solid bodies larger than 12.5mm, making it suitable for both professional and residential environments. The DX3 can be supplied through multiple connection methods including copper cables, prong busbars, fork busbars, or Legrand HX3 plug busbars, offering exceptional installation flexibility. The breaker features convenient DIN rail mounting with dual clamps allowing independent removal while the busbar remains energized. Its intuitive handle design includes ON/OFF indication with red and green backgrounds for clear status identification.
The product complies with all substance-restriction requirements and has been designed with environmental consciousness. It supports Legrand DX3 auxiliaries, RCD add-on modules, and various accessories for enhanced functionality. The breaker operates reliably across ambient temperatures from -25°C to +70°C and accepts conductor cross-sections from 1.5mm² to 35mm² (solid-core) or 1.5mm² to 25mm² (multi-wired). Built with halogen-free materials and rated at 50-60Hz frequency, this is an ideal solution for modern electrical installations requiring dependable circuit protection.
Key Features
- 6000A breaking capacity according to IEC 60898-1 standard for household installations with C-curve tripping threshold between 315A-630A
- Multiple supply options: copper cable, prong busbar, fork busbar, or Legrand HX3 plug busbar for maximum installation flexibility
- IP20 fingerproof protection against solid bodies larger than 12.5mm with energy limitation class 3 for maximum fault protection
- Dual DIN rail clamps allowing independent removal while busbar remains energized for convenient maintenance and servicing
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules, and comprehensive accessories for enhanced functionality
- Clear ON/OFF indication with red and green handle backgrounds for easy status identification
- Halogen-free construction with environmental consciousness and compliance with substance-restriction requirements
- Wide operating temperature range -25°C to +70°C with flexible conductor connection sizes 1.5-35mm² solid-core or 1.5-25mm² multi-wired
Technical Specifications
| Specification |
Value |
| Product Type | Thermal-Magnetic Circuit Breaker (MCB) |
| Manufacturer | Legrand |
| Model | DX3 |
| Reference Number | 407865 |
| EAN Code | 3245064078658 |
| Number of Poles | 3 poles (3P) |
| Rated Current | 63 Amperes |
| Rated Voltage | 400V AC |
| Rated Insulation Voltage | 500V |
| Rated Impulse Withstand Voltage | 4 kV |
| Breaking Capacity | 6000A (Icn) according to IEC 60898-1 at 400V |
| Short-Circuit Breaking Capacity (Icu) | 10 kA at 400V AC, 25 kA at 230V AC per IEC 60947-2 |
| Tripping Characteristic | C-Curve (5-10 In) |
| Current Limiting Class | Class 3 (Maximum energy limitation) |
| Frequency | 50-60 Hz |
| Degree of Protection | IP20 (Fingerproof) |
| Degree of Impact Strength | IK02 |
| Pollution Degree | 2 |
| Width in Modular Spacings | 3 modules |
| Width | 53.1 mm |
| Height | 94.8 mm |
| Depth (Built-in) | 44 mm / Total Depth 77.8 mm |
| Color | Grey (RAL 7035) |
| Connection Type | Screwed Terminal |
| Connectable Conductor Cross-Section (Solid-Core) | 1.5-35 mm² |
| Connectable Conductor Cross-Section (Multi-Wired) | 1.5-25 mm² |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Mounting Method | DIN Rail Mounting with Dual Clamps |
| Supply Direction | Top or Bottom |
| Neutral Conductor Switching | No |
| Flush-Mounted Installation | Yes |
| Halogen Free | Yes |
| Additional Equipment Possible | Yes (Auxiliaries, RCD modules, accessories) |
| Label Space | Yes |
| Carbon Footprint (Manufacturing Phase) | 3.104 kg CO₂ eq. |
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