Surface Mounted Magnetic Door Contact for Grade 3 Systems
Universal Surface Contact with Magnetic Interference Detection and Selectable Resistors for GRADE 3 Installations
Knight fire and security part number = YEND74
Quality Grade 3 alarm contacts for Grade 3 alarm installations manufactured in the UK by Knight plastics
Size 78mm x 25mm x 20mm
A G3 Surface contact with magnetic interference detection and selectable resistors in white. Compatible with all mainstream UK control panels and includes both EOL and alarm by-pass resistor options.
It has a microswitch tamper and meets all of the necessary requirements for magnetic contacts permitting it to be used within Grade 3 installations.
The Grade 3 flush alarm contact has installer selectable End of Line (EOL) and alarm contact bypass resistors and a 4 terminal wiring block with TACT tamper.
Manufactured in the UK to BS EN50131-2-6 complies with Grade 3 alarm installations environmental class 2. Includes resistors compatible with - Honeywell, Ademco, Scantronic, Menvier, Texecom, Pyronix, Castle, Aritech, DSC, Gardtec and Guardall Control Panels.
Alarm Values 1k, 4k7,5k6,6k8,8k2
EOL Values 1kr,2k2,4k7,5k6,8k2
Just move easily accessible jumper to select.
Note this contact already meets the requirements of EN50131-2-6: 2004
The Grade 3 alarm contact can be fitted in shared zone locations.