Professional 3-pole thermal-magnetic circuit breaker with 50kA breaking capacity, D-curve 16A protection, IP20 terminals, and DIN rail installation for residential and commercial applications.
The Legrand DX³ three-pole modular thermal-magnetic circuit breaker is a professional-grade electrical protection device designed for control, protection, and isolation of electrical circuits. This robust circuit breaker offers exceptional breaking capacity of 50kA at 400V~, making it suitable for demanding residential and small commercial applications. The D-curve 16A protection provides optimal tripping characteristics between 160A and 224A short-circuit current, ensuring reliable circuit protection against overloads and faults.
This DX³ circuit breaker features IP20 finger-safe terminals that comply with IEC/EN 60529 standards, providing enhanced safety for installation and maintenance. The device is compatible with Legrand DX³ auxiliaries, RCD add-on modules, and various accessories, allowing for flexible system configuration and expansion. With its compact design of 4.5 modular spacings and built-in depth of 47mm, it fits seamlessly into standard DIN rail installations.
The circuit breaker incorporates advanced thermal-magnetic protection mechanisms with a red/green mechanical indicator that clearly displays the contact status (open or closed). It supports both solid-core and multi-wired conductor connections ranging from 1.5 to 50mm² and 1.5 to 35mm² respectively, with supply capability from either top or bottom orientation. Manufactured with halogen-free materials and designed through environmentally conscious processes, this product meets all substance-restriction requirements and delivers reliable performance across ambient temperatures from -25°C to +70°C.
Key Features
- 50kA breaking capacity at 400V~ according to IEC 60947-2 standards
- D-curve 16A protection with tripping threshold between 160A and 224A short-circuit current
- IP20 finger-safe terminals providing enhanced safety and protection against solid bodies larger than 12.5mm
- Compatible with Legrand DX³ auxiliaries, RCD add-on modules, and comprehensive accessory range
- Red/green mechanical indicator for clear visual status display of contact position
- Flexible conductor connection supporting both solid-core (1.5-50mm²) and multi-wired (1.5-35mm²) cables
- Compact 4.5 modular spacing design for efficient DIN rail installation
- Halogen-free construction with environmentally conscious manufacturing process
- Operates reliably across ambient temperature range of -25°C to +70°C
- Label holder for clear circuit identification and convenient marking
Technical Specifications
| Specification |
Value |
| Product Type | Three-Pole Modular Thermal-Magnetic Circuit Breaker |
| Rated Current | 16 Amperes |
| Release Characteristic | D-Curve |
| Breaking Capacity at 400V | 50 kA according to IEC 60947-2 |
| Breaking Capacity at 230V | 100 kA according to IEC 60947-2 |
| Rated Voltage | 400V AC |
| Rated Insulation Voltage | 500V |
| Rated Impulse Withstand Voltage | 6 kV |
| Number of Poles | 3 poles (3 protected poles) |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 (Finger-safe terminals) |
| Degree of Impact Strength | IK02 |
| Built-in Depth | 47 mm |
| Width | 80.1 mm |
| Height | 127.5 mm |
| Total Depth | 79.2 mm |
| Modular Spacing | 4.5 modules |
| Solid-Core Conductor Range | 1.5-50 mm² |
| Multi-Wired Conductor Range | 1.5-35 mm² |
| Connection Type | Screwed terminal, Cable connections |
| Supply Direction | Top or bottom |
| Mounting Method | DIN rail |
| Flush-Mounted Installation | Yes |
| Color | Grey (RAL 7035) |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Nominal Voltage Range | 360-440V |
| Pollution Degree | 3 |
| Halogen Free | Yes |
| Additional Equipment Compatible | Yes - DX³ auxiliaries, RCD add-on modules |
| Concurrently Switching Neutral | No |
| Explosion-Proof | No |
| Label Space | Yes |
| Mechanical Indicator | Red/Green status display |
| Short-Circuit Tripping Threshold | 160A to 224A (D-curve between 10In and 14In) |
| Product Reference | 410213 |
| EAN Code | 3245064102131 |
| Carbon Footprint Manufacturing | 5.670 kg CO₂ eq. |
| Compliance | IEC 60947-2, IEC/EN 60529, RoHS Directive |
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