Legrand TX3 thermal magnetic circuit-breaker with 10000A breaking capacity, 1 pole, 63A rated current, C curve characteristic for reliable overload and short-circuit protection. IP20 fingerproof protection and energy limitation class 3.
The Legrand TX3 MCB 10000A 1 Pole 63A Curve C is a thermal magnetic circuit-breaker designed to protect wiring installations against overloads and short-circuits with exceptional reliability. This device features a breaking capacity of 10000A according to IEC 60898-1 standard, making it ideal for household installations. The C curve characteristic provides a tripping threshold between 315A and 630A (5-10 In), ensuring optimal protection for standard residential circuits. With IP20 fingerproof protection and energy limitation class 3, this MCB delivers superior safety performance.
The TX3 series is engineered for versatile installation options, supporting supply via copper cable, prong busbar (top or bottom side), or fork busbar (bottom side). The device features a special DIN rail clamp on the bottom side, allowing independent removal even when the fork busbar is still in place. Equipped with a label holder for clear circuit identification and on/off indication printed on the handle with red and green backgrounds, this circuit breaker ensures easy status identification. The halogen-free design reflects Legrand's commitment to environmental responsibility.
This MCB is compatible with Legrand DX3 auxiliaries and accessories, offering flexible integration into modern electrical systems. It can be connected to aluminium cable with Legrand DX3 terminal accessory. With rated voltage of 230V and insulation voltage of 500V, this device meets stringent international standards and provides reliable protection for residential and small commercial applications. Installation should be performed by qualified electricians in compliance with local electrical codes.
Key Features
- Breaking capacity 10000A according to IEC 60898-1 standard for household installations
- C curve characteristic with tripping threshold between 315A and 630A (5-10 In)
- IP20 fingerproof protection against solid bodies larger than 12.5mm
- Energy limitation class 3 for maximum let-through energy control
- Compatible with Legrand DX3 auxiliaries and accessories
- Special DIN rail clamp allowing independent removal when fork busbar is in place
- Label holder for clear circuit identification and status indication
- Halogen-free design for environmental responsibility
- Flexible supply options: copper cable, prong busbar, or fork busbar
- Rated voltage 230V with 500V insulation voltage
Technical Specifications
| Specification |
Value |
| Product Name | MCB TX3 10000A 1 Pole 63A Curve C |
| Manufacturer | Legrand |
| Reference Number | 404177 |
| EAN Code | 3414970393678 |
| Breaking Capacity | 10000A according to IEC 60898-1 |
| Number of Poles | 1 pole |
| Rated Current | 63A |
| Release Characteristic | C curve (5-10 In) |
| Rated Voltage | 230V AC |
| Insulation Voltage | 500V |
| Impulse Withstand Voltage | 4 kV |
| Frequency | 50-60 Hz |
| Current Limiting Class | 3 |
| Degree of Protection | IP20 |
| Impact Strength | IK02 |
| Built-in Depth | 44 mm |
| Width | 17.8 mm |
| Height | 88 mm |
| Overall Depth | 77.8 mm |
| Width in Modular Spacings | 1 module |
| Color | Grey (RAL 7035) |
| Storage Temperature | -40 to 70°C |
| Nominal Voltage Range | 240-415V |
| Connection Type | Screwed terminal, Busbar and cable |
| Supply Direction | By top or bottom |
| Mounting Method | DIN rail |
| Halogen Free | Yes |
| Pollution Degree | 2 |
| Flush-mounted Installation | Yes |
| Neutral Conductor Switching | No |
| Additional Equipment Possible | Yes |
| Terminal Marking | No |
| Label Space | Yes |
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