Shop Legrand MCB RX3 4500A 4 Pole 20A Curve C Circuit Breaker | 419742 In Iraq Best Prices
Premium 4-pole miniature circuit breaker with 4500A breaking capacity, 20A rated current, C-curve protection, and IP20 fingerproof design for reliable household and commercial electrical systems.
The Legrand MCB RX3 4500A is a high-performance 4-pole miniature circuit breaker designed for household and small commercial electrical installations. With a breaking capacity of 4500A according to IEC 60898-1 standard, this device provides exceptional protection against short circuits with a tripping threshold between 100A and 200A (C curve between 5 In and 10 In). The circuit breaker features a rated current of 20A and operates at 400V, making it ideal for multi-phase electrical systems.
This device is engineered with maximum energy limitation (class 3 according to IEC 60898-1) and offers IP20 protection against solid bodies larger than 12.5mm, ensuring fingerproof operation. The MCB RX3 can be supplied by either copper cable or prong busbar from the top or bottom side, providing flexible installation options. Built with halogen-free materials and designed in an environmentally conscious process, this circuit breaker complies with all substance-restriction requirements.
The product features a compact DIN rail mounting design with dimensions of 71.2mm width, 88.8mm height, and 77.3mm depth, occupying 4 modular spacings. It includes concurrently switching neutral conductor capability and operates reliably across 50-60 Hz frequency range. With an IK04 impact strength rating and storage temperature range of -25 to 60°C, the MCB RX3 ensures durability and reliability in various installation environments.
Key Features
- 4500A breaking capacity according to IEC 60898-1 standard for household installations
- C-curve tripping characteristic with threshold between 100A-200A (5-10 In range)
- IP20 fingerproof protection against solid bodies larger than 12.5mm
- Maximum energy limitation class 3 for superior short-circuit protection
- Flexible supply options: copper cable or prong busbar from top or bottom
- Halogen-free materials with environmentally conscious design
- Concurrently switching neutral conductor for enhanced safety
- Compact 4-module DIN rail mounting design
- 400V rated voltage with 4 kV impulse withstand voltage
- Wide operating frequency range 50-60 Hz
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) |
| Brand | Legrand |
| Model | RX3 |
| Reference Number | 419742 |
| EAN Code | 3414970369369 |
| Number of Poles | 4 poles |
| Rated Current | 20 A |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage Ui | 400 V |
| Rated Impulse Withstand Voltage Uimp | 4 kV |
| Breaking Capacity Icn (230V) | 6 kA according to EN 60898 |
| Breaking Capacity Icn (400V) | 4.5 kA according to EN 60898 |
| Breaking Capacity Icu (230V) | 6 kA according to IEC 60947-2 |
| Breaking Capacity Icu (400V) | 4.5 kA according to IEC 60947-2 |
| Release Characteristic | C curve (100-200A tripping threshold) |
| Current Limiting Class | Class 3 |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 (fingerproof) |
| Impact Strength Rating | IK04 |
| Width (Modular Spacings) | 4 modules |
| Width | 71.2 mm |
| Height | 88.8 mm |
| Depth | 77.3 mm |
| Built-in Depth | 44 mm |
| Mounting Method | DIN rail |
| Connection Type | Screwed terminal, Busbar and cable |
| Supply Direction | Top or bottom |
| Nominal Voltage Range | 360-440 V |
| Concurrently Switching Neutral | Yes |
| Flush-mounted Installation | Yes |
| Pollution Degree | 2 |
| Storage Temperature Range | -25 to 60°C |
| Color | Grey |
| RAL Number | 7035 |
| Halogen Free | Yes |
| Explosion-proof | No |
| Additional Equipment Possible | No |
Order Legrand MCB RX3 4500A 4 Pole 20A Curve C Circuit Breaker | 419742 at wholesale prices for companies and factories in Iraq and Middle East, get the best deals on bulk purchases, contact us today.