Professional 3-pole thermal magnetic circuit breaker with 10kA breaking capacity, 2A rating, and C-curve protection for residential and commercial installations. IP20 finger-safe design with 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 breaking capacity of 10kA at 400V and a C-curve characteristic, this 3-pole device is rated at 2A and provides comprehensive protection for residential and small commercial electrical installations. The breaker features IP20 finger-safe protection, ensuring safety in accordance with IEC/EN 60529 standards. It can be supplied via copper cable, prong busbar (top or bottom side), or fork busbar (bottom side), making it versatile for various installation configurations.
This circuit breaker is equipped with a special DIN rail clamp on the bottom side, allowing independent removal even when the fork busbar supplying the row remains in place. The device includes a label holder for clear circuit identification and has ON/OFF indication printed on the handle with red and green backgrounds for easy status identification. It complies with all substance-restriction requirements and has been designed with environmental consciousness in mind. The TX3 can be equipped with Legrand DX3 auxiliaries and accessories, and can be connected to aluminium cable using Legrand DX3 terminal accessory.
The product meets the highest standards of electrical safety and performance, with a current limiting class of 3 according to IEC 60898-1 standard. The tripping threshold in case of short-circuit ranges between 10A and 20A (C curve between 5 In and 10 In), providing optimal protection. Installation should be carried out in compliance with installation rules, preferably by a qualified electrician, to ensure proper functionality and safety.
Key Features
- 10kA breaking capacity at 400V according to IEC 60898-1 standard
- C-curve characteristic with tripping threshold between 10A and 20A (5 In to 10 In)
- IP20 finger-safe protection against solid bodies larger than 12.5mm
- Current limiting class 3 for maximum energy limitation
- Compatible with Legrand DX3 auxiliaries and accessories
- Special DIN rail clamp allowing independent removal
- Label holder for clear circuit identification
- ON/OFF indication with color-coded handle (red/green)
- Can be supplied by copper cable, prong busbar, or fork busbar
- Environmentally conscious design with halogen-free materials
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) - Thermal Magnetic |
| Number of Poles | 3 poles (3P) |
| Rated Current | 2 Amperes (A) |
| Rated Voltage | 400V AC (nominal 240-415V) |
| Rated Insulation Voltage | 500V |
| Rated Impulse Withstand Voltage | 4 kV |
| Breaking Capacity (Icn) at 400V | 10,000A (10 kA) |
| Breaking Capacity (Icn) at 230V | 16,000A (16 kA) |
| Release Characteristic | C-curve (5 In to 10 In) |
| Current Limiting Class | Class 3 |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 (finger-safe) |
| Impact Strength | IK02 |
| Built-in Depth | 44 mm |
| Width | 53.1 mm |
| Height | 88 mm |
| Depth | 77.8 mm |
| Modular Width | 3 modular spacings |
| Mounting Method | DIN rail |
| Connection Type | Screwed terminal, Busbar and cable |
| Supply Direction | Top or bottom |
| Color | Grey (RAL 7035) |
| Halogen Free | Yes |
| Storage Temperature Range | -40°C to +70°C |
| Pollution Degree | 2 |
| Flush-Mounted Installation | Yes |
| Neutral Conductor Switching | No |
| Additional Equipment Possible | Yes (DX3 auxiliaries and accessories) |
| Reference Number | 404215 |
| EAN Code | 3414970394255 |
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