Legrand DX3 four-pole modular circuit breaker with 36kA breaking capacity, C curve 10A tripping, IP20 terminals, and full compatibility with DX3 auxiliaries for reliable electrical protection
The Legrand DX3 4 Pole 10A Curve C Circuit Breaker (REF. 410033) is a high-performance modular thermal-magnetic circuit breaker designed for reliable energy distribution and protection in residential and small commercial applications. This four-pole device delivers an impressive 36kA short-circuit capacity at 400V~, ensuring robust protection against electrical faults and overloads. The C curve tripping characteristic provides optimal protection with a tripping threshold between 50A and 100A (5 In to 10 In), making it ideal for circuits with moderate inrush currents.
This circuit breaker features IP20 finger-safe terminals that comply with IEC/EN 60529 standards, protecting against solid bodies larger than 12.5mm. The fully visible breaking mechanism allows users to clearly see the open or closed status through the red/green mechanical indicator. The device is compatible with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories, providing flexibility for system expansion and customization. Built-in label holders enable clear circuit identification for convenient maintenance and troubleshooting.
The DX3 breaker can be supplied by copper cable from either the top or bottom side and supports both multi-wired (1.5-35 mm²) and solid-core (1.5-50 mm²) conductor connections. Operating safely across temperatures from -25°C to 70°C, this environmentally conscious product complies with substance-restriction requirements and halogen-free standards. With its 6-modular spacing width and DIN rail mounting capability, the DX3 4P 10A offers seamless integration into existing electrical panels and switchboards.
Key Features
- 36kA short-circuit breaking capacity at 400V with C curve tripping characteristic
- IP20 finger-safe terminals protecting against solid bodies larger than 12.5mm
- Red/green mechanical indicator for clear open/closed status visibility
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules and accessories
- DIN rail mounting with 6-modular spacing and top/bottom cable supply capability
Technical Specifications
| Specification |
Value |
| Product Reference | 410033 |
| EAN Code | 3245064100335 |
| Rated Current | 10 A |
| Number of Poles | 4 poles |
| Release Characteristic | C curve (50-100A tripping threshold) |
| Breaking Capacity at 400V | 36 kA |
| Breaking Capacity at 230V | 72 kA |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage | 500 V |
| Impulse Withstand Voltage | 6 kV |
| Degree of Protection | IP20 |
| Impact Strength | IK02 |
| Built-in Depth | 47 mm |
| Width | 106.8 mm |
| Height | 127.5 mm |
| Depth | 79.2 mm |
| Modular Spacing Width | 6 modules |
| Conductor Cross-section (Multi-wired) | 1.5-35 mm² |
| Conductor Cross-section (Solid-core) | 1.5-50 mm² |
| Operating Temperature Range | -25°C to 70°C |
| Storage Temperature Range | -40°C to 70°C |
| Nominal Voltage Range | 360-440 V |
| Frequency Range | 50-60 Hz |
| Connection Type | Screwed terminal with cable connection |
| Supply Direction | Top or bottom |
| Mounting Method | DIN rail |
| Flush-mounted Installation | Yes |
| Concurrently Switching Neutral | Yes |
| Pollution Degree | 3 |
| Additional Equipment Possible | Yes |
| Colour | Grey (RAL 7035) |
| Halogen Free | Yes |
| Label Space | Yes - Built-in label holder |
| Carbon Footprint (Manufacturing) | 6.572 kg CO2 eq. |
| Explosion-proof | No |
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