Shop Legrand DX3 MCB 4 Pole 100A Circuit Breaker D Curve | 409541 In Iraq Best Prices
Four-pole modular thermal-magnetic circuit breaker with 100A rated current, D-curve release characteristic, 10kA/16kA breaking capacity, IP20 finger-safe design, and compatibility with DX³ auxiliaries and accessories.
The Legrand DX³ MCB (Miniature Circuit Breaker) is a four-pole modular thermal-magnetic circuit breaker designed for comprehensive control, protection, and isolation of electrical circuits. With a rated current of 100A at 400V AC, this device features a D-curve release characteristic suitable for circuits with moderate inrush currents. The breaker offers a breaking capacity of 10kA according to IEC 60898-1 standard for household installations and 16kA according to IEC 60947-2, making it ideal for residential and small commercial applications.
This circuit breaker is engineered with IP20 finger-safe design protection, ensuring safety in accessible environments. The device features a red/green mechanical indicator displaying the status of contacts (open or closed), and includes a convenient label holder for clear circuit identification. It is compatible with Legrand DX³ auxiliaries, RCD add-on modules, and various accessories, providing flexible system integration. The breaker can be supplied by copper cable from either the top or bottom, and with appropriate terminal accessories, it can also be connected to aluminum cables.
Manufactured with environmental consciousness, this product complies with substance-restriction requirements and is halogen-free. The DX³ series breaker is built to withstand demanding conditions with an ambient operating temperature range of -25°C to +70°C and a storage temperature range of -40°C to +70°C. It features a pollution degree rating of 2 and an impact strength degree of IK02. Installation should be performed by qualified electricians in compliance with local electrical installation rules, and the device must be opened and repaired exclusively by Legrand-trained personnel.
Key Features
- Four-pole modular design with thermal-magnetic protection for complete circuit control
- D-curve release characteristic suitable for circuits with moderate inrush currents
- 10kA breaking capacity per IEC 60898-1 and 16kA per IEC 60947-2 standard
- IP20 finger-safe design protecting against solid bodies larger than 12.5mm
- Red/green mechanical indicator showing contact status with convenient label holder
- Compatible with Legrand DX³ auxiliaries, RCD add-on modules and accessories
- Accepts copper cables from top or bottom with aluminum cable connection option
- Halogen-free construction with environmentally conscious manufacturing process
- Wide ambient operating temperature range from -25°C to +70°C
- DIN rail mounting with 6 modular spacing width for flexible installation
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) - Four Pole |
| Rated Current | 100A |
| Rated Voltage | 400V AC |
| Rated Insulation Voltage (Ui) | 500V |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Release Characteristic | D Curve |
| Breaking Capacity (IEC 60898-1) | 10 kA at 400V |
| Breaking Capacity (IEC 60947-2) | 16 kA at 400V / 32 kA at 230V |
| Tripping Threshold (Short-Circuit) | 1000A to 1400A (D curve between 10 In and 14 In) |
| Number of Poles | 4 poles total / 4 protected poles |
| Degree of Protection (IP) | IP20 (Finger-safe) |
| Impact Strength Degree (IK) | IK02 |
| Frequency | 50-60 Hz |
| Pollution Degree | 2 |
| Connectable Conductor Cross Section (Solid-Core) | 6-70 mm² |
| Connectable Conductor Cross Section (Multi-Wired) | 6-50 mm² |
| Connection Type | Screwed Terminal |
| Built-in Depth | 47 mm |
| Width | 70.8 mm |
| Height | 94.8 mm |
| Depth | 77.8 mm |
| Width in Modular Spacings | 6 |
| Mounting Method | DIN Rail |
| Ambient Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Electric Supplying Direction | Top or Bottom |
| Flush-Mounted Installation | Yes |
| Concurrently Switching Neutral Conductor | Yes |
| Additional Equipment Possible | Yes (RCD add-on modules and DX³ auxiliaries) |
| Color | Grey |
| RAL Number | 7035 |
| Halogen Free | Yes |
| Label Space/Information Surface | Yes |
| Explosion-Proof | No |
| Carbon Footprint (Manufacturing Phase A1-A3) | 6.042 kg CO₂ eq. |
| Reference Number | 409541 |
| EAN Code | 3245064095419 |
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