Shop Legrand DX3 MCB 4 Pole 20A Circuit Breaker D-Curve | 409847 In Iraq Best Prices
Four-pole modular thermal-magnetic circuit breaker with 25kA breaking capacity, D-curve tripping, IP20 finger-safe terminals, and full DX³ compatibility for reliable electrical circuit protection
The Legrand DX³ MCB is a four-pole modular thermal-magnetic circuit breaker designed for comprehensive control, protection, and isolation of electrical circuits in residential and small commercial applications. With a rated breaking capacity of 25kA at 400V AC, this device provides reliable short-circuit protection with D-curve tripping characteristics that trip between 200A and 280A (10-14 times the rated current). The circuit breaker features IP20 finger-safe terminals, protecting against solid bodies larger than 12.5mm, making it suitable for safe installation in accessible locations.
This DX³ circuit breaker is built with a 4-pole configuration rated at 20A with a nominal voltage of 360-440V and a rated insulation voltage of 500V. It features a red/green mechanical indicator that clearly displays the open or closed status of the contacts, along with a label holder for convenient circuit identification. The device is equipped with a screwed terminal connection type that accepts conductor cross-sections from 1.5-50mm² (solid-core) or 1.5-35mm² (multi-wired), allowing flexible installation with both copper and aluminum cables (with optional terminal accessory).
The DX³ circuit breaker is fully compatible with Legrand DX³ auxiliaries, RCD add-on modules, and various accessories, enabling customizable protection solutions. Operating across a temperature range of -25 to 70°C, with storage capability from -40 to 70°C, this modular device is mounted on standard DIN rail and occupies 6 module spaces. Manufactured with halogen-free materials and designed through an environmentally conscious process, the circuit breaker complies with substance-restriction requirements and IEC 60947-2 standards, making it an ideal choice for modern electrical installations.
Key Features
- 25kA breaking capacity at 400V AC with D-curve tripping between 200A-280A
- IP20 finger-safe terminals protecting against solid bodies larger than 12.5mm
- Red/green mechanical indicator displaying circuit status (open/closed)
- Compatible with Legrand DX³ auxiliaries, RCD add-on modules, and accessories
- Accepts conductor cross-sections from 1.5-50mm² (solid-core) or 1.5-35mm² (multi-wired)
- Operates across temperature range of -25 to 70°C with storage from -40 to 70°C
- Halogen-free construction with environmentally conscious design
- Screwed terminal connection type for secure cable attachment
- Label holder for convenient circuit identification
- Complies with IEC 60947-2 and IEC/EN 60529 standards
Technical Specifications
| Specification |
Value |
| Product Type | Modular Thermal-Magnetic Circuit Breaker |
| Number of Poles | 4 poles (total and protected) |
| Rated Current | 20A |
| Rated Voltage | 400V AC |
| Nominal Voltage Range | 360-440V |
| Rated Insulation Voltage | 500V |
| Rated Impulse Withstand Voltage | 6kV |
| Breaking Capacity at 230V | 50kA (Icu) |
| Breaking Capacity at 400V | 25kA (Icu) |
| Release Characteristic | D-curve (200A-280A or 10-14 In) |
| Degree of Protection | IP20 |
| Degree of Impact Strength | IK02 |
| Frequency | 50-60 Hz |
| Pollution Degree | 3 |
| Connection Type | Screwed terminal, Cable |
| Conductor Cross-Section (Solid-Core) | 1.5-50mm² |
| Conductor Cross-Section (Multi-Wired) | 1.5-35mm² |
| Supply Direction | Top or bottom |
| Built-in Depth | 47mm |
| Width | 106.8mm |
| Height | 127.5mm |
| Depth | 79.2mm |
| Module Width | 6 modular spacings |
| Mounting Method | DIN rail |
| Operating Temperature Range | -25 to 70°C |
| Storage Temperature Range | -40 to 70°C |
| Color | Grey (RAL 7035) |
| Material Composition | Halogen-free |
| Flush-Mounted Installation | Yes |
| Neutral Conductor Switching | Concurrently switching neutral conductor |
| Additional Equipment Possible | Yes (DX³ auxiliaries, RCD add-on modules, accessories) |
| Terminal Marking | Label space/information surface available |
| Reference Number | 409847 |
| EAN Code | 3245064098472 |
| Carbon Footprint (Manufacturing) | 6.899 kg CO₂ eq. |
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