



MK Sentry Y5681SMET Amendment 3 All Metal 15 Way Twin RCD Flexible Consumer Unit With 100A Switch Disconnector Isolator, 1 x 63A 30mA & 1 x 80A 30mA RCDs
Y5681SMET
MK Sentry Y5681SMET All Metal 15 Way Twin RCD Consumer Unit – 100A Main Switch, 63A & 80A 30mA RCDs, Amendment 3 Compliant
The MK Sentry Y5681SMET is a robust, fully Amendment 3-compliant 15-way metal consumer unit designed for maximum flexibility and safety. Featuring a 100A double pole main switch, one 63A and one 80A 30mA RCD, this twin RCD split-load unit allows configurations of up to 14 circuits across both RCDs. Perfect for residential and light commercial installations, it ensures full RCD protection while offering advanced installation features and modern aesthetics.
- Split Load Flexibility: Twin RCD setup allows for any circuit distribution split from 14/1 to 1/14, supporting diverse installation layouts.
- Comprehensive Protection: Includes 1 x 100A DP isolator, 1 x 63A 30mA RCD, and 1 x 80A 30mA RCD for full board protection.
- Amendment 3 Compliant: Zintec steel all-metal construction meets BS 7671:2008 Amendment 3 fire safety standards.
- Installer-Friendly Features: Large round knockouts, floating busbar, removable DIN rail, offset incomer, and captive screws ensure a smooth and efficient installation.
- Modern Design: Stylish curved front with MK white finish suits visible residential installations, blending into modern interiors.
Technical Specification
- Main Switch: 100A Double Pole
- RCDs: 1 x 63A 30mA, 1 x 80A 30mA
- Max Circuits: 14 MCBs or RCBOs
- Material: Zintec Steel (Non-combustible)
- Ingress Protection: IP2XC
- Dimensions: H: 244mm x W: 472mm x D: 116mm
- Standards Compliance: BS 7671:2008 Amendment 3, BS EN 61439-3
✅ Choose the MK Sentry Y5681SMET for a safe, stylish, and highly flexible solution to modern electrical distribution needs—fully compliant with the latest UK wiring regulations!

Rcd 2 Rating | 63 A |
Range | Circpro MK Sentry |
Sensitivity | 30 mA |
Product | Consumer Unit w/ Main Switch + RCD |
Type | 17th Edition |
Voltage | 230|240 V |
Mounting | Surface |
Current Rating | 100A |
Standards | BS 7671 |
Rcd Rating | 80 A |
Rcd Sensitivity | 30 mA |
Rcd 2 Sensitivity | 30 mA |
Body Material | Steel |
Outgoing Ways | 21 Way |
Incomer Included | Y |
Incomer Type | Switch Disconnector/RCD |
Incomer Current Rating | 100 A |
Split Load | Y |
Rcd S Included | Y |
Number Of Rcd S | 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.