Door Contacts / Switches
HKC

HKC Wireless/RF Contact With Inertia Sensor White
Honeywell

Honeywell Wireless Door Contact with External Input
Knight Manufacturing

Knight 2 METRE armoured cable Grade 3 roller shutter contact
Knight Manufacturing

Knight 5 Screw Changeover Reed Surface Contact
Knight Manufacturing

Knight 8 Terminal Heavy Duty Aluminium Tampered Contact
Knight Manufacturing

Knight Biased Flush Pencil Single Reed 6-Core 4K7/2K2 Brown
Knight Manufacturing

Knight Biased Flush Pencil Single Reed 6-Core 4K7/2K2 White
Knight Manufacturing

Knight Black Grade 2 contact, small with selectable resistors
Knight Manufacturing

Knight Flush Change-Over 5 Terminal Door Contact
Knight Manufacturing

Knight Flush Door contact Normally Open
Knight Manufacturing

Knight Flush Tampered Quickfit Contact Multi Resistors Brown
Knight Manufacturing

Knight Flush Tampered Quickfit Contact Multiple Resistors G2