Shop Legrand TX3 MCB 2 Pole 16A Circuit Breaker 10kA | 404112 In Iraq Best Prices
Legrand TX3 thermal-magnetic MCB 2-pole 16A B-curve with 10kA breaking capacity, IP20 finger-safe design, and DIN rail mounting for reliable electrical protection
The Legrand TX3 MCB (Miniature Circuit Breaker) model 404112 is a thermal-magnetic circuit breaker designed to protect wiring installations against overloads and short-circuits. This 2-pole device offers a rated current of 16A with a B curve characteristic, providing reliable protection for residential and small commercial electrical systems. With a breaking capacity of 10kA according to IEC 60898-1 standard, it ensures maximum safety and performance in household installations.
This circuit breaker features IP20 finger-safe design protection against solid bodies larger than 12.5mm, making it safe for general use environments. The device incorporates current limiting class 3 according to IEC 60898-1 standard, which provides the maximum level of limitation of let-through energy. It can be supplied by copper cable, prong busbar (top or bottom side), or fork busbar (bottom side), offering flexible installation options. The MCB 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 product complies with all substance-restriction requirements and has been designed following environmentally conscious processes. It features a label holder for clear circuit identification and ON/OFF indication printed on the handle with red and green backgrounds for easy status identification. The device can be equipped with Legrand DX3 auxiliaries and accessories, and can be connected to aluminum cable with the appropriate Legrand DX3 terminal accessory. With dimensions of 35.4mm width (2 modular spacings), 88mm height, and 77.8mm depth, it fits standard DIN rail installations.
Key Features
- 10kA breaking capacity according to IEC 60898-1 standard for household installations
- B-curve characteristic with tripping threshold between 48A and 80A (3-5 In range)
- IP20 finger-safe protection against solid bodies larger than 12.5mm
- Current limiting class 3 for maximum let-through energy limitation
- Compatible with Legrand DX3 auxiliaries and accessories with aluminum cable support
- Special DIN rail clamp allowing independent removal during operation
- Clear circuit identification with label holder and ON/OFF status indicators
- Flexible power supply options: copper cable, prong busbar, or fork busbar
- Environmentally conscious design with halogen-free materials
- Rated voltage 400V AC with impulse withstand voltage 4kV
Technical Specifications
| Specification |
Value |
| Product Reference | 404112 |
| EAN Code | 3414970392411 |
| Brand | Legrand |
| Series | TX³ |
| Type | Thermal-Magnetic Circuit Breaker (MCB) |
| Number of Poles | 2 (2P) |
| Rated Current | 16 A |
| Release Characteristic | B Curve |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage | 500 V |
| Rated Impulse Withstand Voltage | 4 kV |
| Breaking Capacity (10kA at 400V) | 10,000 A according to EN 60898 |
| Breaking Capacity (16kA at 230V) | 16,000 A according to EN 60898 |
| Short-Circuit Tripping Threshold | 48A - 80A (B curve: 3-5 In) |
| Current Limiting Class | 3 |
| Frequency | 50-60 Hz |
| Degree of Protection | IP20 (Finger-safe) |
| Impact Strength | IK02 |
| Width (Modular Units) | 2 DIN modules |
| Width | 35.4 mm |
| Height | 88 mm |
| Depth | 77.8 mm |
| Built-in Depth | 44 mm |
| Colour | Grey (RAL 7035) |
| Mounting Method | DIN Rail |
| Connection Type | Screwed terminal, Busbar and cable |
| Electric Supply Direction | Top or Bottom |
| Concurrently Switching Neutral | No |
| Flush-mounted Installation | Yes |
| Additional Equipment Possible | Yes (DX3 auxiliaries and accessories) |
| Pollution Degree | 2 |
| Nominal Voltage Range | 240-415 V |
| Storage Temperature Range | -40°C to +70°C |
| Halogen Free | Yes |
| Explosion-proof | No |
| Terminal Marking | No |
| Label Space | Yes |
| Compliance Standards | IEC 60898-1, IEC/EN 60529, RoHS, REACH |
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