Shop Legrand MCB TX3 10000A 4 Pole 20A Curve B Circuit Breaker | 404155 In Iraq Best Prices
Professional thermal magnetic circuit-breaker with 10kA breaking capacity, B-curve 20A, 4-pole design, IP20 protection, and DIN rail mounting for reliable electrical installation protection.
The MCB TX3 10000A is a thermal magnetic circuit-breaker designed to protect wiring installations against overloads and short-circuits with exceptional reliability. This 4-pole device delivers a breaking capacity of 10kA at 400V, making it ideal for residential and small commercial panel applications. The B-curve characteristic with 20A rated current ensures precise tripping between 60A and 100A during short-circuit conditions, providing full pole protection with IP20 safety rating. The device features a special DIN rail clamp on the bottom side, allowing independent removal even when fork busbars are still in place, and includes a convenient label holder for clear circuit identification.
This Legrand TX3 circuit breaker offers advanced current limiting capabilities with energy limitation class 3 according to IEC 60898-1 standard, ensuring maximum protection for connected electrical equipment. The device can be supplied via copper cable, prong busbar (top or bottom side), or fork busbar (bottom side), providing flexible installation options. With IP20 protection against solid bodies larger than 12.5mm (fingerproof), this MCB is suitable for various installation environments. The product complies with substance-restriction requirements and has been designed following environmentally conscious manufacturing processes, demonstrating Legrand's commitment to sustainability.
The MCB TX3 features on/off indication printed on the handle with red and green backgrounds for easy status identification. It can be equipped with Legrand DX3 auxiliaries and accessories, and can be connected to aluminum cable using Legrand DX3 terminal accessory. With a built-in depth of 44mm and width of 70.8mm, this 4-module device fits seamlessly into standard DIN rail installations. The halogen-free construction and robust design make this circuit breaker an excellent choice for modern electrical installations requiring reliable protection and long-term performance.
Key Features
- 10kA breaking capacity at 400V with precise B-curve tripping characteristic
- 4-pole design ensuring full pole protection with concurrently switching neutral conductor
- IP20 protection against solid bodies larger than 12.5mm with fingerproof design
- Energy limitation class 3 for maximum equipment protection and reduced let-through energy
- Special DIN rail clamp allowing independent removal with fork busbar in place
- On/Off indication with color-coded handle (red/green) for easy status identification
- Compatible with Legrand DX3 auxiliaries and accessories for enhanced functionality
- Flexible supply options via copper cable, prong busbar, or fork busbar
- Halogen-free construction demonstrating environmental consciousness
- Built-in label holder for convenient circuit identification and organization
Technical Specifications
| Specification |
Value |
| Product Reference | 404155 |
| EAN Code | 3414970393272 |
| Brand | Legrand |
| Product Line | TX³ |
| Breaking Capacity | 10,000A (10kA) at 400V according to IEC 60898-1 |
| Rated Current | 20A |
| Number of Poles | 4 poles (4P) |
| Protected Poles | 4 |
| Release Characteristic | B-curve (tripping between 3In and 5In, 60A-100A) |
| Rated Voltage | 400V (Nominal 240-415V) |
| Rated Insulation Voltage | 500V |
| Impulse Withstand Voltage | 4kV |
| Short-circuit Breaking Capacity at 230V | 16kA according to EN 60898 |
| Voltage Type | AC (50-60 Hz) |
| Current Limiting Class | 3 (Maximum energy limitation) |
| Degree of Protection | IP20 (Fingerproof against solid bodies >12.5mm) |
| Impact Strength | IK02 |
| Width | 70.8mm (4 modular spacings) |
| Height | 88mm |
| Depth | 77.8mm (Built-in depth 44mm) |
| Color | Grey (RAL 7035) |
| Mounting Method | DIN Rail (35mm) |
| Connection Type | Screwed terminal, Busbar and cable |
| Supply Direction | Top or bottom |
| Pollution Degree | 2 |
| Storage Temperature Range | -40°C to +70°C |
| Halogen Free | Yes |
| Flush-mounted Installation | Yes |
| Neutral Conductor Switching | Concurrently switching (Yes) |
| Additional Equipment | Compatible with Legrand DX3 auxiliaries and accessories |
| Aluminum Cable Connection | Yes (with Legrand DX3 terminal accessory #4063 10) |
| Label Holder | Yes (integrated) |
| Explosion-proof | No |
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