Shop Legrand DX3 MCB 3 Pole 40A Curve C Circuit Breaker | 409785 In Iraq Best Prices
Legrand DX3 three-pole modular circuit breaker with 40A C-curve rating, 25kA breaking capacity at 400V, IP20 finger-safe terminals, and mechanical status indicator for reliable electrical circuit protection and isolation.
The Legrand DX³ MCB is a three-pole modular thermal-magnetic circuit breaker designed for control, protection, and isolation of electrical circuits in residential and small commercial applications. This high-performance device delivers a rated breaking capacity of 25kA at 400V with a C-curve characteristic, making it ideal for circuits with moderate inrush currents. The 40A rated current provides reliable protection for standard residential and small commercial installations, while the thermal-magnetic trip mechanism ensures rapid response to both overload and short-circuit conditions.
Featuring IP20 finger-safe terminals, this circuit breaker offers enhanced safety during installation and maintenance, protecting against accidental contact with live parts. The device is equipped with a red/green mechanical indicator that clearly displays the open or closed status of contacts, allowing for easy visual verification of circuit status. The integrated label holder enables clear identification of circuits, improving safety and maintenance efficiency. With a built-in depth of 47mm and a width of 4.5 modular spacings, it integrates seamlessly into standard DIN rail-mounted distribution boards.
The DX³ circuit breaker complies with IEC 60947-2 standards and is fully compatible with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories. The device is halogen-free and designed with environmental consciousness, featuring a carbon footprint of 5.755 kg CO₂ eq. during the manufacturing phase. It operates reliably across ambient temperatures ranging from -25°C to 70°C and supports both copper and aluminum cable connections with appropriate terminal accessories, making it a versatile solution for modern electrical installations.
Key Features
- Three-pole modular thermal-magnetic circuit breaker with 40A rated current and C-curve characteristic
- 25kA breaking capacity at 400V according to IEC 60947-2 standards with short-circuit protection between 200A and 400A
- IP20 finger-safe terminals providing enhanced safety against accidental contact with live parts during installation and maintenance
- Red/green mechanical indicator displaying clear open/closed status of contacts for easy circuit verification
- Integrated label holder for circuit identification and improved maintenance efficiency in distribution boards
- Compatible with Legrand DX3 auxiliaries, RCD add-on modules, and various accessories for system expansion
- Supports both copper and aluminum cable connections with appropriate terminal accessories for installation flexibility
- Halogen-free design with environmental consciousness and 5.755 kg CO₂ eq. carbon footprint during manufacturing
- Wide operating temperature range from -25°C to 70°C ensuring reliable performance in diverse environments
- DIN rail mounting with 47mm built-in depth and 4.5 modular spacings for seamless integration into standard distribution boards
Technical Specifications
| Specification |
Value |
| Product Type | Modular Thermal-Magnetic Circuit Breaker |
| Number of Poles | 3 poles (3P) |
| Rated Current | 40 Amperes (A) |
| Release Characteristic | C curve (5-10 In tripping range) |
| Rated Voltage | 400 Volts AC |
| Rated Insulation Voltage | 500 Volts (Ui) |
| Rated Impulse Withstand Voltage | 6 kV (Uimp) |
| Breaking Capacity at 230V | 50 kA (Icu according to IEC 60947-2) |
| Breaking Capacity at 400V | 25 kA (Icu according to IEC 60947-2) |
| Short-Circuit Tripping Threshold | Between 200A and 400A |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 (finger-safe terminals) |
| Degree of Impact Strength | IK02 |
| Built-in Depth | 47 mm |
| Width in Modular Spacings | 4.5 spacings |
| Overall Width | 80.1 mm |
| Overall Height | 127.5 mm |
| Overall Depth | 79.2 mm |
| Connectable Conductor Cross Section (Solid-core) | 1.5-50 mm² |
| Connectable Conductor Cross Section (Multi-wired) | 1.5-35 mm² |
| Connection Type | Screwed terminal with cable connection |
| Supply Direction | By top or bottom |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Nominal Voltage Range | 360-440 V |
| Mounting Method | DIN rail mounting |
| Flush-mounted Installation | Yes |
| Pollution Degree | 3 |
| Color | Grey (RAL 7035) |
| Halogen Free | Yes |
| Carbon Footprint (Manufacturing Phase) | 5.755 kg CO₂ eq. |
| Additional Equipment Possible | Yes (RCD modules, auxiliaries, accessories) |
| Concurrently Switching Neutral Conductor | No |
| Label Space | Yes (integrated label holder) |
| Mechanical Indicator | Red/Green status display |
| Reference Number | 409785 |
| EAN Code | 3245064097857 |
| Standards Compliance | IEC 60947-2, IEC/EN 60529 |
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