Four-pole modular thermal-magnetic circuit breaker with 36kA breaking capacity, C curve tripping, IP20 finger-safe terminals, and DX3 auxiliary compatibility for reliable electrical circuit protection.
The Legrand DX³ four-pole modular thermal-magnetic circuit breaker is a comprehensive solution for control, protection, and isolation of electrical circuits. With a 36kA breaking capacity at 400V and C curve tripping characteristics, this device provides reliable short-circuit protection with tripping thresholds between 160A and 320A (C curve between 5 In and 10 In). The circuit breaker features IP20 finger-safe terminals, ensuring protection against solid bodies larger than 12.5mm, making it suitable for both residential and small commercial applications.
This DX³ circuit breaker is designed for modular installation on DIN rails and can be equipped with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories for enhanced functionality. The device supports copper cable connections from either the top or bottom side and can be connected to aluminum cable with an optional terminal accessory. Built with a red/green mechanical indicator for clear status display and a label holder for circuit identification, this breaker combines safety and convenience.
The product complies with all substance-restriction requirements and has been designed through an environmentally conscious process. Operating across a wide temperature range from -25°C to 70°C, with a rated voltage of 400V and insulation voltage of 500V, this circuit breaker meets IEC 60947-2 standards and delivers consistent performance in demanding electrical environments.
Key Features
- 36kA breaking capacity at 400V according to IEC 60947-2 standards
- C curve tripping characteristic with 160A-320A threshold (5 In to 10 In)
- IP20 finger-safe terminals protecting against solid bodies larger than 12.5mm
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules, and accessories
- Red/green mechanical indicator for clear open/closed status display
- Label holder for convenient circuit identification and marking
- Supports copper and aluminum cable connections from top or bottom
- Wide operating temperature range from -25°C to 70°C
- Environmentally conscious design with substance-restriction compliance
- DIN rail mounting for modular installation
Technical Specifications
| Specification |
Value |
| Product Type | Four-Pole Modular Thermal-Magnetic Circuit Breaker |
| Rated Current | 32 A |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage | 500 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Breaking Capacity at 230V | 72 kA (Icu according to IEC 60947-2) |
| Breaking Capacity at 400V | 36 kA (Icu according to IEC 60947-2) |
| Release Characteristic | C Curve |
| Number of Poles | 4 poles (4 protected poles) |
| Tripping Threshold | 160A to 320A (5 In to 10 In) |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 |
| Impact Strength | IK02 |
| Built-in Depth | 47 mm |
| Width (Modular Spacing) | 6 modules |
| Overall Width | 106.8 mm |
| Overall Height | 127.5 mm |
| Overall Depth | 79.2 mm |
| Connectable Conductor (Solid-Core) | 1.5-50 mm² |
| Connectable Conductor (Multi-Wired) | 1.5-35 mm² |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Nominal Voltage Range | 360-440 V |
| Pollution Degree | 3 |
| Connection Type | Screwed Terminal, Cable |
| Mounting Method | DIN Rail |
| Supply Direction | Top or Bottom |
| Concurrent Neutral Switching | Yes |
| Flush-Mounted Installation | Yes |
| Additional Equipment Possible | Yes |
| Color | Grey |
| RAL Number | 7035 |
| Halogen Free | Yes |
| Explosion-Proof | No |
| Label Space | Yes |
| Reference Number | 410037 |
| EAN Code | 3245064100373 |
| Carbon Footprint (Manufacturing) | 6.908 kg CO₂ eq. |
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