Premium 4-pole modular circuit breaker with 50kA breaking capacity, C curve protection, IP20 terminals, and full DX3 compatibility for residential and commercial electrical systems.
The Legrand DX3 4 Pole 20A Curve C Circuit Breaker (Reference 410175) is a premium modular thermal-magnetic circuit breaker designed for comprehensive control, protection, and isolation of electrical circuits. This high-performance device delivers an impressive 50kA breaking capacity at 400V AC, making it ideal for residential and small commercial electrical installations. The C curve tripping characteristic provides optimal protection for circuits with moderate inrush currents, ensuring reliable operation and safety.
This circuit breaker features IP20 finger-safe terminals that comply with IEC/EN 60529 standards, protecting against solid bodies larger than 12.5mm. The device is equipped with a red/green mechanical indicator that clearly displays the open or closed status of contacts, and includes a convenient label holder for circuit identification. Built with a depth of 47mm and occupying 6 modular spacings on a DIN rail, it integrates seamlessly into standard electrical panels.
The DX3 circuit breaker is compatible with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories, offering exceptional flexibility for system customization. Operating across a nominal voltage range of 360-440V at 50-60Hz frequency, with a rated insulation voltage of 500V and impulse withstand voltage of 6kV, this device ensures reliable performance in diverse electrical environments. The halogen-free construction demonstrates environmental responsibility, while the product complies with all substance-restriction requirements and RoHS directives.
Key Features
- 50kA breaking capacity at 400V AC with C curve tripping characteristic for moderate inrush current protection
- IP20 finger-safe terminals complying with IEC/EN 60529 standards protecting against solid bodies larger than 12.5mm
- Red/green mechanical indicator displaying clear open/closed contact status with convenient circuit label holder
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules, and comprehensive accessory range for system flexibility
- Halogen-free construction with environmental responsibility and full RoHS directive compliance
Technical Specifications
| Specification |
Value |
| Product Reference | 410175 |
| EAN Code | 3245064101752 |
| Brand | Legrand |
| Product Series | DX³ |
| Type | Modular Thermal-Magnetic Circuit Breaker |
| Number of Poles | 4 poles |
| Rated Current | 20 A |
| Rated Voltage | 400 V AC |
| Breaking Capacity at 230V | 100 kA |
| Breaking Capacity at 400V | 50 kA |
| Release Characteristic | C Curve |
| Tripping Threshold | Between 100A and 200A (5In to 10In) |
| Rated Insulation Voltage | 500 V |
| Impulse Withstand Voltage | 6 kV |
| Frequency Range | 50-60 Hz |
| Nominal Voltage Range | 360-440 V |
| Degree of Protection | IP20 |
| Impact Strength Rating | IK02 |
| Built-in Depth | 47 mm |
| Width | 106.8 mm |
| Height | 127.5 mm |
| Overall Depth | 79.2 mm |
| Modular Width | 6 modular spacings |
| Mounting Method | DIN rail |
| Connection Type | Screwed terminal, Cable |
| Supply Direction | Top or bottom |
| Connectable Conductor Cross Section (Solid) | 1.5-50 mm² |
| Connectable Conductor Cross Section (Multi-wired) | 1.5-35 mm² |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Pollution Degree | 3 |
| Color | Grey |
| RAL Number | 7035 |
| Halogen Free | Yes |
| Neutral Conductor Switching | Concurrent switching |
| Additional Equipment | Possible |
| Label Space | Yes |
| Mechanical Indicator | Red/Green |
| Carbon Footprint (Manufacturing) | 6.590 kg CO₂ eq. |
| Compliance Standards | IEC 60947-2, IEC/EN 60529, RoHS Directive |
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