MK Sentry YS8678SMET Amendment 3 All Metal 21 Way (13 Useable Ways) Pre-Populated 100A Twin Type A RCD Flexible Consumer Unit With Surge Protection Device and 3x6A, 2x16A, 2x20A, 4x32A & 1x40A MCBs

MK Sentry YS8678SMET All Metal 21 Way Twin RCD Consumer Unit – Pre-Populated, 100A Main Switch, SPD, 2 x 100A Type A RCDs, Amendment 3 Compliant

The MK Sentry YS8678SMET is a high-capacity, pre-populated 21-way all-metal consumer unit, fully compliant with Amendment 3 to BS 7671:2008. Featuring a 100A main switch, two 100A 30mA Type A RCDs, and a built-in Surge Protection Device (SPD), it offers 13 useable outgoing ways. Supplied with 12 MCBs (3 x 6A, 2 x 16A, 2 x 20A, 4 x 32A, 1 x 40A), this unit provides safe, efficient, and flexible circuit distribution in residential and commercial applications.

• Pre-Fitted and Ready to Install: Includes 12 MCBs, 2 Type A RCDs, SPD, and 100A isolator—saving time on site while ensuring full regulation compliance.
• Dual 100A Type A RCDs: Enables safe grouping and isolation of circuits for split-load configurations with full 30mA protection.
• Integrated Surge Protection: Built-in SPD guards against transient voltage surges, offering additional safety for sensitive equipment.
• 13 Useable Ways: Offers space for 13 circuits across a 21-way enclosure, with capacity to expand or customise using modular components.
• Amendment 3 Compliant: Constructed from Zintec steel with floating busbar, offset incomer, captive screws, and IP2XC protection for safe, modern installation.

Supplied Components

• Main Switch: 1 x 100A Double Pole Isolator
• RCDs: 2 x 100A 30mA Type A
• MCBs: 3 x 6A, 2 x 16A, 2 x 20A, 4 x 32A, 1 x 40A
• Surge Protection: 1 x SPD module
• Useable Ways: 13 of 21 ways configured for populated circuits

Technical Specification

• Material: Zintec Steel (Non-combustible)
• Dimensions: H: 244mm x W: 472mm x D: 116mm
• Ingress Protection: IP2XC (BS EN 60529)
• Compliance: BS EN 61439-3, BS 7671:2008 Amendment 3

✅ Choose the MK Sentry YS8678SMET for a spacious, secure, and regulation-ready consumer unit complete with dual RCDs and built-in surge protection—perfect for advanced electrical safety in modern installations!