Professional 2-pole 32A circuit breaker with 6000A breaking capacity, B-curve protection, and IP20 rating for reliable residential electrical safety and overload protection.
The Legrand RX3 MCB (Miniature Circuit Breaker) is a high-performance 2-pole circuit breaker rated at 32A with a B-type release characteristic, designed for residential and small commercial electrical installations. This device delivers exceptional breaking capacity of 6000A according to IEC 60898-1 standard, providing reliable protection for household electrical systems. The breaker features a tripping threshold between 96A and 160A for short-circuit protection, with a B-curve characteristic that trips between 3In and 5In, ensuring optimal protection against overloads and short circuits.
Built with advanced energy limitation technology (Class 3 according to IEC 60898-1), this circuit breaker minimizes let-through energy and reduces damage to connected equipment during fault conditions. The device is protected against solid bodies larger than 12.5mm with an IP20 rating per IEC/EN 60529 standards, making it safe for residential environments. It can be supplied through multiple connection methods including copper cables, prong busbars (top or bottom), or fork busbars (bottom side), offering flexibility in installation configurations.
The RX3 breaker is constructed with environmental consciousness in mind, complying with all substance-restriction requirements and designed for DIN rail mounting in standard electrical panels. With its compact dimensions (35.4mm width, 88.5mm height, 77.8mm depth) and grey RAL 7035 finish, it integrates seamlessly into modern electrical installations. The device operates across a frequency range of 50-60 Hz and maintains performance across nominal voltages from 360-440V, making it suitable for European and international markets.
Key Features
- 6000A breaking capacity according to IEC 60898-1 standard for household installations
- B-curve release characteristic with tripping threshold between 96A and 160A (3In to 5In)
- Class 3 energy limitation reduces let-through energy and equipment damage
- IP20 protection against solid bodies larger than 12.5mm for safe residential use
- Multiple connection options: copper cables, prong busbars, or fork busbars
- Compact DIN rail mounting design with grey RAL 7035 finish
- 50-60 Hz frequency operation across 360-440V nominal voltage range
- Environmentally conscious design with substance-restriction compliance
- Rated at 400V with 4kV impulse withstand voltage for enhanced reliability
Technical Specifications
| Specification |
Value |
| Product Type | Miniature Circuit Breaker (MCB) |
| Number of Poles | 2 poles (2P) |
| Rated Current | 32 Amperes |
| Release Characteristic | Curve B (3In to 5In tripping range) |
| Breaking Capacity | 6000A at 400V (Icn), 10kA at 230V |
| Rated Voltage | 400V AC |
| Rated Insulation Voltage | 500V |
| Impulse Withstand Voltage | 4 kV |
| Current Limiting Class | Class 3 |
| Frequency Range | 50-60 Hz |
| Nominal Voltage Range | 360-440V |
| Degree of Protection | IP20 (fingerproof) |
| Impact Strength | IK02 |
| Width | 35.4 mm |
| Height | 88.5 mm |
| Depth | 77.8 mm (Built-in depth: 44mm) |
| Width in Modular Spacings | 2 modules |
| Mounting Method | DIN rail |
| Connection Type | Screwed terminal, Busbar and cable |
| Supply Direction | By the top or bottom |
| Colour | Grey (RAL 7035) |
| Pollution Degree | 2 |
| Storage Temperature | -40 to +70°C |
| Flush-Mounted Installation | Yes |
| Concurrently Switching Neutral | No |
| Terminal Marking | Yes |
| Additional Equipment Possible | No |
| Halogen Free | No |
| Explosion-Proof | No |
| SKU/Reference | 419161 |
| EAN Code | 3414970367112 |
| Standard Compliance | IEC 60898-1, IEC 60947-2, IEC/EN 60529 |
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