Shop Legrand RX3 MCB 2 Pole 50A Curve B Circuit Breaker | 419163 In Iraq Best Prices
Legrand RX3 2-pole 50A B-curve miniature circuit breaker with 6000A breaking capacity, IP20 protection, and advanced current-limiting technology for reliable overcurrent and short-circuit protection in residential and commercial installations.
The Legrand RX3 MCB (Miniature Circuit Breaker) is a high-performance 2-pole circuit breaker rated at 50A with a B-curve tripping characteristic, designed for residential and small commercial electrical installations. This device offers a breaking capacity of 6000A according to IEC 60898-1 standard, providing reliable protection against overcurrent and short-circuit faults. The B-curve tripping characteristic ensures a tripping threshold between 150A and 250A (3-5 times the rated current), making it ideal for general-purpose circuits with moderate inrush currents.
The RX3 circuit breaker features advanced current-limiting technology (Class 3 energy limitation) that minimizes the let-through energy during short circuits, protecting downstream equipment and reducing arc energy. The device is IP20 rated, providing protection against solid bodies larger than 12.5mm, and features a compact modular design that fits into standard DIN rail enclosures. It can be supplied by copper cable, prong busbar (top or bottom side), or fork busbar (bottom side), offering flexible installation options.
This environmentally conscious product complies with all substance-restriction requirements and is manufactured to the highest standards. The RX3 is built-in flush-mounted installation compatible with a rated voltage of 400V AC and impulse withstand voltage of 4kV. With its grey RAL 7035 color finish and terminal marking indication, the RX3 provides a professional appearance while maintaining exceptional reliability and performance in demanding electrical applications.
Key Features
- 6000A breaking capacity according to IEC 60898-1 standard for household installations
- B-curve tripping characteristic with threshold between 150A-250A (3-5 times rated current)
- Class 3 current-limiting technology minimizing let-through energy during short circuits
- IP20 protection against solid bodies larger than 12.5mm with fingerproof design
- Flexible supply options: copper cable, prong busbar, or fork busbar connections
- Compact 2-module DIN rail mounted design with 44mm built-in depth
- Rated voltage 400V AC with 4kV impulse withstand voltage
- Environmentally conscious design complying with substance-restriction requirements
- Terminal marking indication for easy identification and installation
- Compatible with flush-mounted installation in standard electrical enclosures
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) |
| Brand | Legrand |
| Series | RX3 |
| Reference Number | 419163 |
| EAN Code | 3414970367174 |
| Number of Poles | 2 |
| Rated Current | 50 A |
| Release Characteristic | B (3-5 In) |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage | 500 V |
| Rated Impulse Withstand Voltage | 4 kV |
| Breaking Capacity at 230V | 10 kA |
| Breaking Capacity at 400V | 6 kA |
| Current Limiting Class | Class 3 |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 |
| Impact Strength | IK02 |
| Width | 35.4 mm |
| Height | 88.5 mm |
| Depth | 77.8 mm |
| Built-in Depth | 44 mm |
| Width in Modular Spacings | 2 |
| Color | Grey |
| RAL Number | 7035 |
| Mounting Method | DIN Rail |
| Connection Type | Screwed Terminal, Busbar and Cable |
| Electric Supplying Direction | By Top or Bottom |
| Flush-mounted Installation | Yes |
| Concurrently Switching Neutral | No |
| Pollution Degree | 2 |
| Storage Temperature Range | -40 to 70°C |
| Nominal Voltage Range | 360-440 V |
| Terminal Marking | Yes |
| Halogen Free | No |
| Standards Compliance | IEC 60898-1, IEC 60947-2, IEC/EN 60529 |
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