A universal, large surface contact ideal for G3 installations. All electronics are PCB mounted, with wire-clamping terminal blocks for easy wiring. This contact can be wired in series, allowing 2+ contacts to share a zone and function as a single unit. YEND74 features integral EOL resistors suitable for mainstream panels in the following configurations, selected by shunt links on the PCB:
1k/1k
2k2/2k2
2k2/4k7
2k2/6k8
4k1/4k1 (Guardall 8k2)
4k7/4k7
4k7/6k8
5k6/5k6
A no-resistor/dry configuration is also selectable for 4-wire installations where resistors are not required.
The tamper is a sprung microswitch, detecting removal of the contact lid. A second tamper reed detects and responds to magnetic interference, meeting the requirements for Grade 3. This reed may optionally be bypassed by shunt, reducing the product to Grade 2 level.
Comes complete with 2x spacers and fitting screws.
