Shop Legrand DX3 MCB 2 Pole 10A Curve B Circuit Breaker | 408940 In Iraq Best Prices
Professional-grade 2-pole thermal magnetic circuit breaker with 10A rating, B curve characteristics, and 16kA breaking capacity for reliable protection of residential and commercial electrical installations against overloads and short-circuits.
The Legrand DX3 MCB (Miniature Circuit Breaker) is a thermal magnetic circuit-breaker specifically designed to protect wiring installations against overloads and short-circuits. With a 2-pole configuration and 10A rated current, this device features a B curve release characteristic and delivers 16kA breaking capacity at 230V, making it ideal for residential and small commercial applications. The MCB can also be used to control and isolate electrical installations, providing dual functionality for comprehensive circuit protection.
This advanced circuit breaker incorporates multiple safety and operational features including current limiting class 3 for maximum energy limitation, IP20 protection rating against solid bodies larger than 12.5mm (fingerproof design), and compatibility with various supply methods including copper cables, prong busbars, fork busbars, and Legrand HX3 plug busbars. The device measures 35.4mm in width and occupies 2 modular spacings on standard DIN rails, featuring a built-in depth of 44mm for compact installation.
The DX3 MCB is equipped with convenient features such as a label holder for clear circuit identification, ON/OFF indication printed on the handle with red and green backgrounds for easy status recognition, and the ability to be equipped with Legrand DX3 auxiliaries and RCD add-on modules. Operating across 50-60Hz frequency range with rated voltage of 400V and impulse withstand voltage of 4kV, this device complies with substance-restriction requirements and has been designed in an environmentally conscious process, including halogen-free construction.
Key Features
- Thermal magnetic circuit breaker with 16kA breaking capacity at 230V and 10kA at 400V
- B curve release characteristic with tripping threshold between 3In and 5In for sensitive protection
- 2-pole configuration for dual circuit protection with 2 protected poles
- Current limiting class 3 for maximum energy limitation and enhanced safety
- IP20 fingerproof protection against solid bodies larger than 12.5mm
- Compatible with copper cables, prong busbars, fork busbars, and Legrand HX3 plug busbars
- DIN rail mounted with independent removal capability using dual clamps
- Label holder for clear circuit identification and status indication
- Equipped with red/green ON/OFF indication on handle for easy status recognition
- Compatible with Legrand DX3 auxiliaries and RCD add-on modules
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) |
| Brand | Legrand |
| Model Series | DX3 |
| Reference Number | 408940 |
| EAN Code | 3245064089401 |
| Number of Poles | 2 |
| Number of Protected Poles | 2 |
| Rated Current | 10 A |
| Release Characteristic | B Curve |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage (Ui) | 500 V |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Breaking Capacity at 230V (Icn) | 16 kA |
| Breaking Capacity at 400V (Icn) | 10 kA |
| Ultimate Breaking Capacity at 230V (Icu) | 32 kA |
| Ultimate Breaking Capacity at 400V (Icu) | 16 kA |
| Current Limiting Class | 3 |
| Frequency Range | 50-60 Hz |
| Degree of Protection (IP) | IP20 |
| Degree of Impact Strength (IK) | IK02 |
| Width (Modular Spacings) | 2 |
| Width | 35.4 mm |
| Height | 94.8 mm |
| Depth | 77.8 mm |
| Built-in Depth | 44 mm |
| Connectable Conductor Cross Section (Solid-core) | 1.5-35 mm² |
| Connectable Conductor Cross Section (Multi-wired) | 1.5-25 mm² |
| Connection Type | Screwed Terminal |
| Mounting Method | DIN Rail |
| Flush-mounted Installation | Yes |
| Electric Supplying Direction | By the top or bottom |
| Concurrently Switching Neutral Conductor | No |
| Pollution Degree | 2 |
| Additional Equipment Possible | Yes |
| Ambient Temperature Operating Range | -25 to +70 °C |
| Storage Temperature Range | -40 to +70 °C |
| Colour | Grey |
| RAL Number | 7035 |
| Halogen Free | Yes |
| Explosion-proof | No |
| Label Space/Information Surface | Yes |
| Carbon Footprint (Manufacturing Phase) | 1.807 kg CO2 eq. |
| Tripping Threshold (B Curve) | Between 30A and 50A (3In to 5In) |
| Standard Compliance | IEC 60898-1, IEC/EN 60529, IEC 60947-2 |
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