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The WARTD463-100 A-Type 100mA Time Delay RCD is a 4 Pole S-Type device rated at 63A. Its built-in time delay ensures upstream discrimination, allowing downstream RCDs to trip first and preventing unnecessary power loss. Ideal for three-phase distribution boards, EV charging hubs, and renewable installs where selective coordination is essential. Fully compliant with BS EN 61008-1 and the 18th Edition Wiring Regulations.
Installer Tip: Use 4 Pole time delay RCDs when protecting three-phase circuits or boards with both line and neutral conductors. Never use time delay devices on final circuits directly.
Key Features
- 4 Pole A-Type RCD – full disconnection of line + neutral
- Time delay (S-Type) – ensures upstream coordination
- 63A rated current – suited for small to mid-sized three-phase boards
- Sensitivity: 100mA (30mA & 300mA options also available)
- DIN-rail mountable – compact 72mm unit
- Standards: BS EN 61008-1, 18th Edition compliant
Compare Time Delay RCD Variants
| Model | Poles | Rated Current | Sensitivity | Type |
|---|---|---|---|---|
| WARTD463-100 (This Product) | 4 Pole | 63A | 100mA | A-Type, Time Delay (S-Type) |
| WARTD480-100 | 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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