Shop Legrand DX3 MCB 3 Pole 20A Curve D Circuit Breaker | 410214 In Iraq Best Prices
Legrand DX3 3-pole 20A curve D miniature circuit breaker with 50kA breaking capacity, IP20 protection, and flexible DIN rail mounting for residential and commercial electrical installations.
The Legrand DX3 MCB 3 Pole 20A Curve D is a high-performance miniature circuit breaker designed for residential and small commercial electrical installations. This device features a rated breaking capacity of 50kA according to IEC 60947-2 standards, with a D-curve tripping characteristic that provides a short-circuit tripping threshold between 200A and 280A (10 to 14 times the rated current). The breaker is constructed with advanced protection mechanisms and is fully compliant with modern electrical safety standards, including IP20 protection against solid bodies larger than 12.5mm, ensuring reliable operation in various installation environments.
The DX3 MCB incorporates a red/green mechanical indicator that clearly displays the open or closed status of the contacts, combined with a convenient label holder for circuit identification. It supports connection by copper cable from either the top or bottom, with connectable conductor cross-sections ranging from 1.5mm² to 50mm² for solid-core wiring and 1.5mm² to 35mm² for multi-wired conductors. The device operates reliably across a wide ambient temperature range of -25°C to 70°C and maintains its performance with rated insulation voltage of 500V and impulse withstand voltage of 6kV.
This circuit breaker is specifically engineered for flush-mounted installation on DIN rail with a modular width of 4.5 spacings and built-in depth of 47mm. It can be equipped with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories to meet diverse electrical protection requirements. The device is halogen-free and environmentally conscious, with a carbon footprint of 5.684 kg CO2 equivalent during the manufacturing phase. Its robust construction, combined with comprehensive safety features and flexible configuration options, makes it an ideal choice for modern electrical distribution systems.
Key Features
- 50kA breaking capacity according to IEC 60947-2 standard with D-curve tripping characteristic (200-280A)
- IP20 protection against solid bodies larger than 12.5mm with fingerproof design
- Red/green mechanical indicator for clear open/closed status display
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules and accessories
- Halogen-free and environmentally conscious design with 5.684 kg CO2 equivalent carbon footprint
- DIN rail mounting with 4.5 modular width spacing and 47mm built-in depth
- Wide operating temperature range from -25°C to 70°C
- Flexible conductor connection from top or bottom with multi-wire and solid-core support
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) |
| Number of Poles | 3 poles (3P) |
| Rated Current | 20 Amperes |
| Release Characteristic | D curve |
| Breaking Capacity (50kA at 400V) | 50 kA according to IEC 60947-2 |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage | 500 V |
| Impulse Withstand Voltage | 6 kV |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 |
| Impact Strength Rating | IK02 |
| Built-in Depth | 47 mm |
| Modular Width | 4.5 spacings (80.1 mm) |
| Height | 127.5 mm |
| Total Depth | 79.2 mm |
| Solid-core Conductor Cross Section | 1.5-50 mm² |
| Multi-wired Conductor Cross Section | 1.5-35 mm² |
| Connection Type | Screwed terminal with top or bottom cable entry |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Nominal Voltage Range | 360-440 V |
| Pollution Degree | 3 |
| Mounting Method | DIN rail |
| Color | Grey (RAL 7035) |
| Halogen Free | Yes |
| Carbon Footprint (Manufacturing) | 5.684 kg CO2 equivalent |
| Short-circuit Tripping Threshold | 200-280A (10-14 times rated current) |
| Label Holder | Yes |
| Mechanical Indicator | Red/green status display |
| RCD Add-on Module Compatible | Yes |
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