



MK Sentry H5780S 2 Module Double Pole Residual Current Device RCD 80A 230V 100mA Type AC
H5780S
MK Sentry H5780S Double Pole RCD – Type AC, 80A, 100mA, 2 Module for MK Sentry Consumer Units
The MK Sentry H5780S is a high-capacity 2 Module Residual Current Device (RCD) offering 80A protection with a 100mA trip sensitivity. Designed for use in MK Sentry Consumer Units and modular enclosures, it is suitable for installations requiring full double pole disconnection and compliance with 17th Edition IEE Wiring Regulations.
- Type AC RCD: Detects alternating current (a.c.) earth leakage faults, making it ideal for standard electrical circuits.
- 80A High Load Rating: Suitable for installations with larger loads, such as outbuildings, workshops, or sub-main circuits.
- Double Pole Switching: Ensures complete disconnection of both live and neutral conductors for safe isolation during faults.
- Positive Contact Indication: Complies with IEE Wiring Regulations (537.2.2.2 and 537.3.2.2) for safe and clear operational status visibility.
- Compact & Compliant: Fits seamlessly into 2- or 4-module enclosures and meets BS EN 61008:1995 standards.
Technical Specification
- Type: Type AC RCD
- Current Rating: 80A
- Tripping Current: 100mA
- Voltage: 230V
- Poles: Double Pole
- Modules: 2
- Cable Capacity: Up to 50mm²
- Dimensions: 85 x 36 x 75mm
- Standard: BS EN 61008: 1995
✅ Choose the MK Sentry H5780S for high-load, compliant RCD protection with 100mA sensitivity and reliable performance in fixed installations!

Range | Circpro MK Sentry |
Sensitivity | 100 mA |
Rcd Type/class | A |
Product | RCD |
Voltage | 230 V |
Pole Configuration | Double Pole (2P) |
Mounting | DIN Rail |
Width | 36 mm |
Current Rating | 80A |
Standards | BS 61008 |
Rcd Sensitivity | 100 mA |
Number Of Poles | Double Pole (2P) |
Number Of Modules | 2 |
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.