Shop Legrand TX3 MCB 3 Pole 13A Curve B Circuit Breaker | 404125 In Iraq Best Prices
Legrand TX3 thermal magnetic circuit-breaker with 10kA breaking capacity, B-curve tripping, and IP20 fingerproof protection for three-phase circuits at 400V.
The Legrand TX3 MCB 10000A is a thermal magnetic circuit-breaker specifically designed to protect wiring installations against overloads and short-circuits in residential and small commercial applications. With a breaking capacity of 10kA at 400V and B-curve tripping characteristics, this device provides reliable protection for three-phase circuits. The circuit-breaker features IP20 fingerproof safety rating and can effectively control and isolate electrical circuits. It is equipped with a special DIN rail clamp on the bottom side, allowing independent removal even when the fork busbar is still 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.
This MCB is manufactured to comply with IEC 60898-1 standard for household installations and offers exceptional current limiting capability with energy limitation class 3. The tripping threshold in case of short-circuit ranges between 39A and 65A (B curve between 3 In and 5 In), providing precise protection. The device can be supplied by copper cable, prong busbar (top or bottom side), or fork busbar (bottom side), offering flexible installation options. It is compatible with Legrand DX3 auxiliaries and accessories, and can be connected to aluminium cable using the appropriate Legrand DX3 terminal accessory.
The TX3 MCB is designed with environmental consciousness and complies with substance-restriction requirements. The grey-colored unit measures 53.1mm in width, 88mm in height, and 77.8mm in depth, making it compact and suitable for modern electrical panels. With a rated voltage of 400V, rated insulation voltage of 500V, and rated impulse withstand voltage of 4kV, this three-pole circuit-breaker is built to deliver consistent performance and long-term reliability in demanding electrical environments.
Key Features
- 10kA breaking capacity at 400V according to IEC 60898-1 standard
- B-curve tripping with short-circuit threshold between 39A and 65A (3 In to 5 In)
- IP20 fingerproof protection against solid bodies larger than 12.5mm
- Energy limitation class 3 for maximum let-through energy reduction
- Compatible with Legrand DX3 auxiliaries and accessories
- Special DIN rail clamp allowing independent removal with busbar in place
- Label holder for clear circuit identification
- On/off indication with red and green background colors
- Flexible supply options: copper cable, prong busbar, or fork busbar
- Environmentally conscious design with substance-restriction compliance
Technical Specifications
| Specification |
Value |
| Product Type | Thermal Magnetic Circuit-Breaker (MCB) |
| Breaking Capacity | 10kA at 400V; 16kA at 230V |
| Number of Poles | 3 poles (3 protected poles) |
| Rated Current | 13A |
| Rated Voltage | 400V AC |
| Rated Insulation Voltage | 500V |
| Rated Impulse Withstand Voltage | 4kV |
| Release Characteristic | B-Curve |
| Short-Circuit Tripping Threshold | 39A to 65A (3 In to 5 In) |
| Current Limiting Class | 3 |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 |
| Width | 53.1mm (3 modular spacings) |
| Height | 88mm |
| Depth | 77.8mm (44mm built-in depth) |
| Impact Strength Rating | IK02 |
| Color | Grey (RAL 7035) |
| Connection Type | Screwed terminal, Busbar and cable |
| Supply Direction | Top or bottom |
| Mounting Method | DIN rail |
| Storage Temperature Range | -40°C to +70°C |
| Nominal Voltage Range | 240V to 415V |
| Pollution Degree | 2 |
| Halogen Free | Yes |
| Flush-Mounted Installation | Yes |
| Concurrently Switching Neutral | No |
| Additional Equipment Possible | Yes |
| Explosion-Proof | No |
| Reference Number | 404125 |
| EAN Code | 3414970392671 |
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