MK Sentry Y5721SMET Amendment 3 All Metal 19 Way Consumer Unit With Switch Disconnector Isolator 100A

MK Sentry Y5721SMET All Metal 19 Way Consumer Unit – 100A Main Switch, Amendment 3 Compliant

The MK Sentry Y5721SMET is a robust and spacious 19-way all-metal consumer unit, designed to meet the requirements of Amendment 3 to BS 7671:2008. Supplied with a 100A double pole main isolator, it supports up to 21 outgoing MCBs or RCBOs, offering comprehensive circuit separation, flexibility, and full board isolation. This unit is perfect for larger residential and light commercial installations requiring modern safety standards and installer-friendly features.

• High-Capacity Configuration: Supports up to 21 MCBs or RCBOs, providing ample circuit protection for larger properties or projects.
• 100A Main Isolator: Double pole switch disconnector enables full board isolation for maintenance and safety compliance.
• Amendment 3 Compliant: Full metal Zintec steel construction meets non-combustibility requirements of BS 7671:2008 Amendment 3.
• Complete with Accessories: Includes full metal DIN rail, earth and neutral terminals, and clearly labelled circuit ID strips for simple commissioning and future servicing.
• Optimised for Installation: Features offset incomer, top-hinged door, large knockouts, floating busbar, and removable DIN rail for ease of wiring and configuration.

Technical Specification

• Main Switch: 100A Double Pole
• Max Circuits: 21 MCBs or RCBOs
• Material: Zintec Steel (Non-combustible)
• Dimensions: H: 244mm x W: 472mm x D: 116mm (including cover)
• Standards Compliance: BS 7671:2008 Amendment 3, BS EN 61439-3

✅ Choose the MK Sentry Y5721SMET for large-scale, fully compliant installations that demand flexibility, safety, and modern aesthetics—all in one robust solution!