Shop Legrand DX3 MCB 1P 3A Curve B 10kA Circuit Breaker | 408867 In Iraq Best Prices
Single-pole thermal magnetic circuit breaker with 3A rating, B curve, and 10kA breaking capacity for reliable protection of residential and small commercial electrical installations against overloads and short-circuits.
The Legrand DX3 MCB (Miniature Circuit Breaker) is a thermal magnetic circuit-breaker specifically designed to protect wiring installations against overloads and short-circuits. With a rated current of 3A, B curve release characteristic, and 10kA breaking capacity at 230V, this single-pole device ensures reliable protection and allows efficient control and isolation of electrical circuits. The MCB is rated for 230/400V~ operation and complies with IEC 60898-1 standard for household installations.
This circuit breaker features advanced protection capabilities with a tripping threshold between 9A and 15A for short-circuit conditions (B curve between 3 In and 5 In). The device is protected against solid bodies larger than 12.5mm, achieving IP20 rating according to IEC/EN 60529 standard. It provides maximum level of limitation of let-through energy with energy limitation class 3 according to IEC 60898-1 standard. The built-in depth of 44mm allows for space-efficient installation on DIN rails.
The DX3 MCB can be supplied via copper cable, prong busbar, fork busbar, or Legrand HX3 plug busbar connections. It is equipped with two DIN rail clamps (top and bottom) allowing independent removal when the prong busbar is still in place. The device includes a label holder for clear circuit identification and ON/OFF indication printed on the handle with red and green backgrounds for easy status identification. It is fully compatible with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories, making it a versatile solution for residential and small commercial electrical installations.
Key Features
- Breaking capacity of 10kA according to IEC 60898-1 standard for household installations
- B curve release characteristic with tripping threshold between 9A and 15A for short-circuit protection
- IP20 protection rating against solid bodies larger than 12.5mm (fingerproof)
- Energy limitation class 3 providing maximum let-through energy limitation
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules, and accessories
- Dual DIN rail clamps for independent removal without disturbing busbar supply
- Clear label holder and ON/OFF status indication on handle for easy identification
- Rated for 230/400V~ operation with 50-60Hz frequency
- Can be supplied via copper cable, prong busbar, fork busbar, or Legrand HX3 plug busbar
- Environmentally conscious design compliant with substance-restriction requirements
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) - Thermal Magnetic |
| Rated Current | 3A |
| Number of Poles | 1 pole |
| Release Characteristic | B curve |
| Rated Voltage | 230V AC |
| Rated Insulation Voltage | 500V |
| Rated Impulse Withstand Voltage | 4kV |
| Breaking Capacity (Icn) | 10kA at 230V according to EN 60898 |
| Breaking Capacity (Icu) | 16kA at 230V according to IEC 60947-2 |
| Frequency | 50-60Hz |
| Current Limiting Class | Class 3 |
| Degree of Protection | IP20 |
| Degree of Impact Strength | IK02 |
| Built-in Depth | 44mm |
| Width | 17.8mm (1 modular spacing) |
| Height | 94.8mm |
| Total Depth | 77.8mm |
| Connectable Conductor Cross Section (Multi-wired) | 1.5-25mm² |
| Connectable Conductor Cross Section (Solid-core) | 1.5-35mm² |
| Connection Type | Screwed terminal |
| Mounting Method | DIN rail |
| Color | Grey (RAL 7035) |
| Operating Temperature Range | -25 to +70°C |
| Storage Temperature Range | -40 to +70°C |
| Pollution Degree | 2 |
| Halogen Free | Yes |
| Reference Number | 408867 |
| EAN Code | 3245064088671 |
| Carbon Footprint (Manufacturing) | 0.928 kg CO2 eq. |
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