63A 30mA Type B 2 Pole RCD
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The Navitas 63A 30mA Type B 1 Pole + N RCD (N633RB) provides advanced residual current protection for single phase installations where smooth DC fault currents may be present. Designed for applications such as EV chargers, heat pumps and variable speed equipment, it detects AC, pulsating DC and smooth DC residual currents. Combining a 63A current rating with 30mA sensitivity and a 10kA short circuit capacity, every device is individually tested and subjected to a comprehensive 37 point quality control inspection.
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Overview
The Navitas N633RB is a 63A 30mA Type B 1 Pole + N Residual Current Device developed for modern single phase installations where conventional Type A protection may not be suitable. Designed to detect AC, pulsating DC and smooth DC residual currents, it is ideal for applications including EV charging, air source heat pumps, variable speed drives and other equipment capable of producing smooth DC leakage currents.
Its patented three module design provides additional space for heavier DC loads, while compliance with BS EN 61008-1 ensures dependable performance. Every Navitas Type B RCD is individually tested and passes a comprehensive 37 point quality control inspection before leaving the factory, delivering consistent quality and long term reliability.
Technical Specifcation
| Specification | Details |
|---|---|
| Part Number | N633RB |
| Current Rating | 63A |
| Rated Sensitivity | 30mA |
| RCD Type | Type B |
| Breaking Capacity | 10kA |
| Number of Poles | Double (1P + N) |
| Rated Voltage | 230V AC |
| Frequency | 50Hz / 60Hz |
| Fault Current Indicator | Yes |
| Dimensions (H × W × D) | 86 × 54 × 67mm |
| Weight | 0.2kg |
| Mounting | DIN Rail EN 60715 (35mm) |
| Terminal Connection | Cable / Busbar |
| Tightening Torque | 2.5Nm |
| Terminal Capacity | 16mm² (25 to 63A) |
| Rated Insulation Voltage | 500V |
| Rated Impulse Withstand Voltage | 4kV |
| Ambient Temperature | -25°C to +40°C |
| IP Rating | IP20 |
| Standards | BS EN 61008-1 |
| Testing | Individually Tested |
| Quality Control | 37 Point QC Inspection |
| Guarantee | 5 Years |
Applications
The Navitas 63A 30mA Type B RCD is ideal for EV charging installations, air source heat pumps, variable speed drives, renewable energy systems and other applications where smooth DC residual currents may be present. It provides dependable protection against AC, pulsating DC and smooth DC fault currents, making it suitable for today's most demanding electrical installations.
Why Navitas
Every Navitas Type B RCD is engineered for the demands of modern electrical installations. Featuring a patented three module design for heavier DC loads, every device is individually tested, independently certified and subjected to a rigorous 37 point quality control inspection. Built for dependable protection and backed by a five year guarantee, the Navitas Type B range delivers confidence where advanced residual current protection is essential.