MK Sentry Y7664SMET Amendment 3 All Metal 12 Way Pre-Populated Twin RCD Flexible Consumer Unit With 2x6A, 1x16A, 2x32A & 1X40A MCBs

MK Sentry Y7664SMET All Metal 12 Way Twin RCD Consumer Unit – Pre-Populated, 100A Main Switch, 2 x 63A RCDs, Amendment 3 Compliant

The MK Sentry Y7664SMET is a 12-way all-metal pre-populated twin RCD consumer unit, offering reliable and flexible circuit protection. Fully compliant with Amendment 3 to BS 7671:2008, it includes a 100A main isolator, dual 63A 30mA RCDs, and 6 pre-installed MCBs (2 x 6A, 1 x 16A, 2 x 32A, and 1 x 40A). With its smart 5/1 or 1/5 configuration, this unit is ideal for residential and light commercial installations requiring full RCD protection and split circuit grouping.

• Fully Populated for Convenience: Supplied with all essential protection devices for a ready-to-install configuration.
• Dual 63A 30mA RCDs: Split load design allows grouping of circuits across two RCDs for improved fault management and reduced nuisance tripping.
• 6 MCBs Included: Comes pre-installed with 2 x 6A, 1 x 16A, 2 x 32A, and 1 x 40A circuit breakers to support common load requirements.
• Amendment 3 Compliant: Constructed with Zintec steel for a non-combustible enclosure, meeting the fire safety standards outlined in the 17th Edition Wiring Regulations.
• Installer-Friendly Features: Floating busbar, offset incomer, removable DIN rail, top-hinged door, multiple large knockouts, and colour-coded terminals ensure quick, easy installation.

Supplied Components

• Main Switch: 1 x 100A Double Pole Isolator
• RCDs: 2 x 63A 30mA
• MCBs: 2 x 6A, 1 x 16A, 2 x 32A, 1 x 40A
• Configuration: Up to 5/1 or 1/5 split between RCDs

Technical Specification

• Max Circuits: 12 outgoing ways
• Material: Zintec Steel (non-combustible)
• Dimensions: H: 244mm x W: 310mm x D: 116mm
• Standards Compliance: BS 7671:2008 Amendment 3, BS EN 61439-3

✅ Choose the MK Sentry Y7664SMET for a compliant, convenient, and flexible twin RCD solution—pre-configured for efficient and professional installation!