Legrand RX3 single-pole 16A MCB with B-curve characteristic, 6000A breaking capacity, IP20 protection, and advanced current-limiting technology for reliable residential electrical protection.
The Legrand RX3 MCB (Miniature Circuit Breaker) 1P 16A Curve B is a high-performance electrical protection device designed for residential and small commercial installations. This single-pole circuit breaker features a breaking capacity of 6000A according to IEC 60898-1 standard, providing reliable protection against short circuits and overloads. The B-curve characteristic ensures a tripping threshold between 3 and 5 times the rated current (48A-80A), making it ideal for circuits with moderate inrush currents typical in residential applications.
This MCB is constructed with advanced current-limiting technology (class 3) that minimizes let-through energy during fault conditions, protecting downstream equipment from damage. The device is IP20 rated, offering protection against solid bodies larger than 12.5mm (fingerproof design), ensuring user safety. It can be supplied via copper cable, prong busbar (top or bottom side), or fork busbar (bottom side), providing flexible installation options. The compact DIN rail mounting design (17.7mm width) allows for space-efficient panel integration.
Built to comply with strict substance-restriction requirements and designed with environmental consciousness, this Legrand circuit breaker meets all relevant European standards including EN 60898-1 and IEC 60947-2. The grey color (RAL 7035) and professional finish make it suitable for any modern electrical installation. With terminal marking indication and rated for 230V AC operation at 50-60Hz, this reliable protection device is an essential component for safe electrical distribution in homes and small commercial buildings.
Key Features
- 6000A breaking capacity according to IEC 60898-1 standard for household installations
- B-curve tripping characteristic with 3-5In threshold (48A-80A) ideal for residential circuits
- Advanced current-limiting technology (Class 3) minimizes let-through energy during faults
- IP20 protection rating - fingerproof design protects against solid bodies larger than 12.5mm
- Flexible connection options: copper cable, prong busbar, or fork busbar supply
- Compact DIN rail mounting (17.7mm width) for space-efficient panel integration
- Single-pole design with 230V AC rated voltage at 50-60Hz frequency
- Environmentally conscious design compliant with substance-restriction requirements
- Terminal marking indication for easy identification and installation
- Professional grey finish (RAL 7035) suitable for modern electrical installations
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) |
| Number of Poles | 1 pole (single-pole) |
| Rated Current | 16 A |
| Release Characteristic | Curve B (3-5In threshold) |
| Breaking Capacity | 6000A (Icn) according to IEC 60898-1 |
| Rated Voltage | 230V AC |
| Rated Insulation Voltage | 500V |
| Rated Impulse Withstand Voltage | 4 kV |
| Frequency | 50-60 Hz |
| Current Limiting Class | Class 3 |
| Degree of Protection | IP20 (fingerproof) |
| Impact Strength Rating | IK02 |
| Width | 17.7 mm |
| Height | 88.5 mm |
| Depth | 77.8 mm (built-in depth: 44 mm) |
| Modular Spacing | 1 module |
| Color | Grey (RAL 7035) |
| Connection Type | Screwed terminal, Busbar and cable |
| Mounting Method | DIN rail |
| Supply Direction | Top or bottom |
| Nominal Voltage Range | 210-250V |
| Storage Temperature | -40 to +70°C |
| Pollution Degree | 2 |
| Neutral Conductor Switching | No |
| Terminal Marking | Yes |
| Reference Number | 419136 |
| EAN Code | 3414970366726 |
| Halogen Free | No |
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