MK Sentry YS5721SMET Amendment 3 All Metal 19 Way Consumer Unit With Switch Disconnector Isolator 100A & SPD

MK Sentry YS5721SMET All Metal 19 Way Consumer Unit – 100A Main Switch, Type 2 SPD, Amendment 3 Compliant

The MK Sentry YS5721SMET is a robust 19-way all-metal consumer unit, fully compliant with Amendment 3 to BS 7671:2008. Designed for large residential or commercial applications, this unit comes pre-fitted with a 100A double pole switch isolator and a Type 2 Surge Protection Device (SPD), offering total circuit isolation and transient overvoltage protection. With support for up to 19 RCBOs or MCBs, it provides a safe, spacious, and flexible solution for modern installations.

• High Capacity – 19 Ways: Accommodates up to 19 outgoing MCBs or RCBOs, making it suitable for larger installations or future expansion.
• Integrated Surge Protection: Includes a Type 2 SPD to protect circuits and sensitive equipment from voltage spikes and surges.
• 100A Main Switch: Provides complete board isolation and ensures safe maintenance and shutdown when required.
• Amendment 3 Compliant: Non-combustible Zintec steel construction with low-smoke, white powder-coated finish ensures fire safety compliance for domestic and commercial use.
• Installer-Friendly Features: Floating busbar, offset incomer, multiple knockouts, colour-coded terminals, and removable DIN rail make installation fast, clean, and adaptable.

Supplied Components

• Main Switch: 1 x 100A Double Pole Isolator
• Surge Protection: 1 x Type 2 SPD (factory fitted)
• Useable Ways: 19 outgoing module spaces

Technical Specification

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

✅ Choose the MK Sentry YS5721SMET for a high-capacity, regulation-compliant consumer unit with integrated surge protection—designed for performance, safety, and future-ready circuit management!