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The WAR4100-030 is a 4 pole, 100A Type A RCD with high immunity, designed for heavy-duty three-phase applications where maximum load capacity and nuisance-trip resistance are critical. Compliant with BS EN 61008-1 and BS EN 61008-2-1, it delivers reliable residual current protection for three-phase distribution systems, EV charging infrastructure, and industrial equipment.
The high immunity design filters out transient disturbances and harmonic noise that would cause standard RCDs to trip unnecessarily, ensuring stable operation even in challenging environments. At 100A rated current, this is the largest model in the 4-pole high immunity series, built for demanding installations.
Installer Tip: Choose the 100A 4-pole model for large commercial or industrial sites with multiple three-phase circuits, high inrush loads, or clustered EV charging points.
Key Features
- 100A, 4 Pole – for high-capacity three-phase + neutral applications
- High Immunity – minimises false trips from harmonics and surges
- Type A – detects AC and pulsed DC residual currents
- Standards: BS EN 61008-1 & 61008-2-1 compliant
- Robust build with DIN rail mounting
- Compatible with three-phase boards and EV-ready installations
Compare High Immunity RCD Variants
| Model | Poles | Rating | Immunity |
|---|---|---|---|
| WAR240-030 | 2 | 40A | High Immunity |
| WAR263-030 | 2 | 63A | High Immunity |
| WAR280-030 | 2 | 80A | High Immunity |
| WAR2100-030 | 2 | 100A | High Immunity |
| WAR440-030 | 4 | 40A | High Immunity |
| WAR463-030 | 4 | 63A | High Immunity |
| WAR480-030 | 4 | 80A | High Immunity |
| WAR4100-030 (This Product) | 4 | 100A | High Immunity |
