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The WARTD480-100 A-Type 100mA Time Delay RCD is a 4 Pole S-Type device rated at 80A, designed for selective upstream protection. Its built-in delay ensures only downstream RCDs disconnect under fault, maintaining continuity on unaffected circuits. Commonly used in three-phase distribution systems, EV charging installations, and renewable projects, it complies fully with BS EN 61008-1 and the 18th Edition Wiring Regulations.
Installer Tip: The 80A 4 Pole model is a versatile mid-range option for three-phase boards. It provides upstream discrimination while handling higher current than 63A models, without oversizing to 100A.
Key Features
- 4 Pole A-Type RCD – disconnects line and neutral conductors
- Time delay (S-Type) – prevents nuisance tripping in coordinated systems
- 80A rated current – balances between domestic/light commercial and full industrial boards
- Sensitivity: 100mA (30mA and 300mA also available)
- DIN-rail mountable – 72mm width
- Durable design: 4000 mechanical / 2000 electrical cycles
- Meets BS EN 61008-1 and 18th Edition Amendment 2
Compare Time Delay RCD Variants
| Model | Poles | Rated Current | Sensitivity | Type |
|---|---|---|---|---|
| WARTD463-100 | 4 Pole | 63A | 100mA | A-Type, Time Delay (S-Type) |
| WARTD480-100 (This Product) | 4 Pole | 80A | 100mA | A-Type, Time Delay (S-Type) |
| WARTD4100-100 | 4 Pole | 100A | 100mA | A-Type, Time Delay (S-Type) |
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