
Hager CNA684U RCCB 3P+N 100A 100mA Type A S
CNA684U
Hager CNA684U RCCB Type A S – Time-Delayed Residual Current Protection for Three-Phase Installations
The Hager CNA684U is a 3P+N RCCB designed for reliable residual current protection in three-phase systems. With Type A sensitivity and an S-type time delay, it is ideal for selectivity in cascaded RCD systems and applications requiring reduced nuisance tripping.
- Time-Delayed Residual Current Protection: S-type delay provides discrimination in multi-RCD installations.
- Type A Sensitivity: Detects AC and pulsating DC leakage currents, suitable for modern equipment.
- High Current Capacity: 100A rating for large-scale three-phase installations.
- 3P+N Configuration: Protects all live conductors in three-phase systems.
- Industrial-Grade Design: Engineered for long-term performance in demanding environments.
Technical Specification
- Poles: 3P+N
- Rated Current: 100A
- Residual Current Sensitivity: 100mA
- Type: A
- Time Delay: S-type (selective)
✅ Choose the Hager CNA684U for selective, high-capacity residual current protection in three-phase systems.
Product | RCD |
Current Rating | 100A |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.