Legrand TX3 2-pole miniature circuit breaker with 63A rating, C curve characteristic, and 10000A breaking capacity. Provides superior protection for residential and commercial electrical installations with advanced energy limitation and DIN rail mounting.
The Legrand TX3 MCB (Miniature Circuit Breaker) is a thermal magnetic circuit-breaker designed to protect wiring installations against overloads and short-circuits. With a rated current of 63A, C curve characteristic, and 10000A breaking capacity at 400V, this device provides superior energy limitation and ensures comprehensive protection for residential and small commercial electrical installations. The TX3 series represents advanced protection technology with current limiting class 3 according to IEC 60898-1 standard, delivering maximum energy limitation for enhanced safety.
This 2-pole circuit breaker features a built-in depth of 44mm and is designed for DIN rail mounting with a special clamp mechanism that allows independent removal even when the fork busbar is in place. The device is IP20 rated, protected against solid bodies larger than 12.5mm (fingerproof), and complies with all relevant international safety standards including IEC/EN 60529. It can be supplied by copper cable, prong busbar (top or bottom side), or fork busbar (bottom side), providing flexible installation options.
The TX3 MCB is equipped with a label holder for clear circuit identification and features On/Off indication printed on the handle with red and green backgrounds for easy status recognition. It supports connection to Legrand DX3 auxiliaries and accessories, and can be connected to aluminium cable with appropriate Legrand DX3 terminal accessories. The device operates at rated voltages between 240-415V with 50-60Hz frequency, making it suitable for various electrical system configurations in modern buildings.
Key Features
- Breaking capacity of 10000A according to IEC 60898-1 standard with C curve tripping threshold between 315A and 630A
- Current limiting class 3 for maximum energy limitation and enhanced protection
- IP20 protection rating - fingerproof with protection against solid bodies larger than 12.5mm
- DIN rail mounting with special clamp allowing independent removal even with fork busbar in place
- Compatible with Legrand DX3 auxiliaries and accessories with label holder for circuit identification
- Flexible supply options via copper cable, prong busbar or fork busbar connections
- Rated voltage range 240-415V with 50-60Hz frequency for universal application
- On/Off indication on handle with red and green backgrounds for easy status recognition
- Halogen-free design with environmentally conscious manufacturing process
- Suitable for aluminium cable connection with appropriate Legrand terminal accessories
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) |
| Brand | Legrand |
| Series | TX3 |
| Reference Number | 404211 |
| EAN Code | 3414970394194 |
| Number of Poles | 2 poles (total and protected) |
| Rated Current | 63 A |
| Release Characteristic | C curve |
| Tripping Threshold | Between 315A and 630A (5 In to 10 In) |
| Rated Voltage | 400 V (nominal 240-415V) |
| Rated Insulation Voltage | 500 V |
| Rated Impulse Withstand Voltage | 4 kV |
| Breaking Capacity at 230V | 16 kA according to EN 60898 |
| Breaking Capacity at 400V | 10 kA according to EN 60898 |
| Current Limiting Class | 3 (maximum energy limitation) |
| Voltage Type | AC |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 |
| Impact Strength Rating | IK02 |
| Built-in Depth | 44 mm |
| Width | 35.4 mm |
| Height | 88 mm |
| Total Depth | 77.8 mm |
| Modular Width | 2 modular spacings |
| Mounting Method | DIN rail |
| Flush-mounted Installation | Yes |
| Connection Type | Screwed terminal, Busbar and cable |
| Electric Supplying Direction | By the top or bottom |
| Colour | Grey |
| RAL Number | 7035 |
| Pollution Degree | 2 |
| Halogen Free | Yes |
| Storage Temperature Range | -40 to 70°C |
| Neutral Conductor Switching | No |
| Additional Equipment Possible | Yes |
| Label Space Available | Yes |
| Explosion-proof | No |
| Standard Compliance | IEC 60898-1, IEC/EN 60529 |
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