3-pole thermal magnetic circuit breaker with 6A rated current, 6kA breaking capacity at 400V, B curve tripping, and IP20 finger-safe protection for residential and commercial electrical installations.
The Legrand TX3 MCB 6000A is a thermal magnetic circuit breaker designed to protect wiring installations against overloads and short-circuits. With a 6kA breaking capacity at 400V and B curve tripping characteristics, this three-pole breaker provides reliable protection for residential and small commercial applications. The device features IP20 finger-safe protection and energy limitation class 3 according to IEC 60898-1 standard, ensuring maximum safety for electrical installations.
This modular circuit breaker can be supplied through copper cables, prong busbars (top or bottom side), or fork busbars (bottom side), offering flexible installation options. The TX3 is equipped with a special DIN rail clamp on the bottom side, allowing independent removal when the fork busbar is still in place. It 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.
The TX3 MCB complies with substance-restriction requirements and has been designed in an environmentally conscious process. It can be equipped with Legrand DX3 auxiliaries and accessories, and can be connected to aluminum cables using Legrand DX3 terminal accessories. With its compact design (53.1mm width, 88mm height), this circuit breaker is ideal for modern electrical panels and distribution boards.
Key Features
- Breaking capacity of 6kA according to IEC 60898-1 standard for household installations
- B curve tripping characteristic with threshold between 18A and 30A (3-5 In range)
- IP20 finger-safe protection against solid bodies larger than 12.5mm
- Energy limitation class 3 for maximum protection and safety
- Compatible with Legrand DX3 auxiliaries and accessories for enhanced functionality
- Flexible supply options: copper cable, prong busbar, or fork busbar connection
- Special DIN rail clamp allowing independent removal without disturbing busbar
- Clear label holder and ON/OFF status indication for easy identification
- Environmentally conscious design complying with substance-restriction requirements
- Halogen-free construction for safer operation
Technical Specifications
| Specification |
Value |
| Product Type | Thermal Magnetic Circuit Breaker (MCB) |
| Number of Poles | 3 poles |
| Rated Current | 6 Amperes (A) |
| Rated Voltage | 400 Volts (V) |
| Rated Insulation Voltage | 500V |
| Breaking Capacity at 400V | 6 kA (6000A) |
| Breaking Capacity at 230V | 10 kA |
| Release Characteristic | Curve B |
| Tripping Threshold Range | 18A to 30A (3-5 In) |
| Current Limiting Class | Class 3 |
| Degree of Protection | IP20 (finger-safe) |
| Impulse Withstand Voltage | 4 kV |
| Frequency Range | 50-60 Hz |
| Voltage Type | AC (Alternating Current) |
| Width | 53.1 millimeters (mm) |
| Height | 88 millimeters (mm) |
| Depth | 77.8 millimeters (mm) / Built-in depth: 44 mm |
| Modular Width | 3 modular spacings |
| Degree of Impact Strength | IK02 |
| Color | Grey (RAL 7035) |
| Connection Type | Screwed terminal, Busbar and cable |
| Supply Direction | Top or bottom |
| Mounting Method | DIN rail |
| Pollution Degree | 2 |
| Storage Temperature Range | -40°C to +70°C |
| Nominal Voltage Range | 240V to 415V |
| Neutral Conductor Switching | No |
| Flush-mounted Installation | Yes |
| Additional Equipment | Yes - compatible with Legrand DX3 auxiliaries |
| Halogen Free | Yes |
| Reference Number | 403398 |
| EAN Code | 3414970387462 |
| Compliance Standards | IEC 60898-1, IEC/EN 60529 |
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