The KAC WYK20S11-SY Key Switch Call Point (Yellow) offers a reliable switching solution for fire alarm, security, smoke vent, and extinguishant systems. Featuring a 2-position S/Pole key switch with removable key, it ensures flexible installation with simple cable access and surface mounting. The device is tamper-resistant, with a robust key and barrel designed for long life. Available in multiple colors, including yellow, it offers excellent performance and is backed by a 3-year warranty.

The Kentec Loop Extension Card (Loops 3 & 4) is designed for Syncro addressable control panels and supports the Argus Vega Protocol. It expands system capacity, allowing for more loops to be added, making it ideal for larger or more complex fire alarm setups. This extension card ensures reliable communication and control, enhancing the scalability and performance of fire safety systems.