Professional 4-pole modular circuit breaker with 32A rated current, 25kA breaking capacity, C curve protection, and IP20 finger-safe terminals for residential and commercial electrical installations.
The Legrand DX3 4 Pole 32A Curve C Circuit Breaker is a four-pole modular thermal-magnetic circuit breaker designed for control, protection, and isolation of electrical circuits. This professional-grade device offers exceptional 25kA breaking capacity at 400V AC, making it ideal for residential and small commercial panel installations. The C curve tripping characteristic provides optimal protection with tripping thresholds between 160A and 320A for short-circuit scenarios, ensuring reliable circuit protection across various electrical loads.
This circuit breaker features IP20 finger-safe terminals that protect against solid bodies larger than 12.5mm, providing enhanced safety in installation environments. The device can be equipped with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories, offering flexible system integration. With a red/green mechanical indicator displaying open or closed contact status, users can easily verify circuit conditions. The product includes a convenient label holder for clear circuit identification.
The DX3 4 Pole 32A is manufactured with environmentally conscious processes and complies with substance-restriction requirements. It features halogen-free construction and operates reliably across ambient temperatures from -25°C to 70°C. The device supports both solid-core (1.5-50mm²) and multi-wired (1.5-35mm²) conductor connections, with supply capability from either top or bottom. Installation is straightforward via DIN rail mounting, making it suitable for professional electricians and certified installers.
Key Features
- 25kA breaking capacity at 400V AC with C curve tripping characteristic
- IP20 finger-safe terminals protecting against solid bodies larger than 12.5mm
- Red/green mechanical indicator displaying open/closed contact status
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules and accessories
- Halogen-free construction with environmentally conscious design
- DIN rail mounting for easy professional installation
- Supports both solid-core and multi-wired conductor connections
- Label holder for convenient circuit identification
- Operates reliably from -25°C to 70°C ambient temperature
- Complies with IEC 60947-2 and substance-restriction requirements
Technical Specifications
| Specification |
Value |
| Product Type | Four-pole modular thermal-magnetic circuit breaker |
| Rated Current | 32 A |
| Number of Poles | 4 poles (4 protected poles) |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage | 500 V |
| Breaking Capacity at 400V | 25 kA |
| Breaking Capacity at 230V | 50 kA |
| Tripping Characteristic | C curve (160A-320A short-circuit tripping) |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 (finger-safe) |
| Impact Strength Rating | IK02 |
| Built-in Depth | 47 mm |
| Width | 106.8 mm (6 modular spacings) |
| Height | 127.5 mm |
| Overall Depth | 79.2 mm |
| Color | Grey (RAL 7035) |
| Solid-core Conductor Range | 1.5-50 mm² |
| Multi-wired Conductor Range | 1.5-35 mm² |
| Connection Type | Screwed terminal with cable connection |
| Supply Direction | Top or bottom |
| Mounting Method | DIN rail |
| Ambient Temperature Operating Range | -25°C to 70°C |
| Storage Temperature Range | -40°C to 70°C |
| Nominal Voltage Range | 360-440 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Pollution Degree | 3 |
| Concurrent Neutral Switching | Yes |
| Flush-mounted Installation | Yes |
| Additional Equipment Compatible | Yes (DX3 auxiliaries, RCD modules) |
| Halogen-free | Yes |
| Label Space | Yes |
| Mechanical Indicator | Red/green open/closed display |
| Reference Number | 409797 |
| EAN Code | 3245064097970 |
| Carbon Footprint (Manufacturing) | 6.908 kg CO2 eq. |
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