MR_TOAD_INSTALLER
New member
Car Alarms explained I.E. Thatcham Catagorys
Security guide for Alarms and Immobilisers
Thatcham is Insurance recognised industry standard for Alarm company’s to Manufacture to and this standard is now widely used by Insurance company’s on various Performance cars
Most cars after 1997 Had Thatcham category 2 Immobilisers fitted as Standard unless they were imported thus Insurance Company’s requesting a Thatcham product to be fitted
Thatcham Category 2
This is a Passively arming immobiliser that the user had to use either a touch key or Transponder ( chip ) on key ring to turn off the user does nothing to arm it this will do it its self after 30 seconds after ignition is switched off
Thatcham Catagory 2 - 1
This is a Catagory 1 alarm but with no Immobilisation upgrading the Factory 2 Immobiliser to a Catagory 1 alarm and may use Seperate remote controls or factory remotes
Thatcham Category 1
This is an Alarm and Immobiliser
Based on the Thatcham Immobiliser it builds up to a full alarm system consisting off the following
Perimeter protection i.e. doors boot and bonnet
Ultrasonic interior protection for movement detection i.e. Glass or doors being bent back to gain access to the door buttons
Flashes indicators as a visual indication on arm disarm and trigger
Is encased in a steel box and has a battery back up siren to protect from battery disconnection
And is remotely operated via a fob
Thatcham Category 3
These are mechanically operated i.e. Steering locks handbrake locks etc
Thatcham Category 4
Wheel locking devices i.e. Security Nuts or Bolts
Thatcham Category 5
These are Tracking Devices again will generally be asked for by insurance company’s on High value cars
Hope this will be a bit of interest understanding the types of Insurance groupings of the Thatcham Criteria
There are still a lot of Quality alarms that don’t make Thatcham as they were aimed at the not lower market but ones of lesser risk or on a more competitive basis
Regards Ian a.k. MR_TOAD
Security guide for Alarms and Immobilisers
Thatcham is Insurance recognised industry standard for Alarm company’s to Manufacture to and this standard is now widely used by Insurance company’s on various Performance cars
Most cars after 1997 Had Thatcham category 2 Immobilisers fitted as Standard unless they were imported thus Insurance Company’s requesting a Thatcham product to be fitted
Thatcham Category 2
This is a Passively arming immobiliser that the user had to use either a touch key or Transponder ( chip ) on key ring to turn off the user does nothing to arm it this will do it its self after 30 seconds after ignition is switched off
Thatcham Catagory 2 - 1
This is a Catagory 1 alarm but with no Immobilisation upgrading the Factory 2 Immobiliser to a Catagory 1 alarm and may use Seperate remote controls or factory remotes
Thatcham Category 1
This is an Alarm and Immobiliser
Based on the Thatcham Immobiliser it builds up to a full alarm system consisting off the following
Perimeter protection i.e. doors boot and bonnet
Ultrasonic interior protection for movement detection i.e. Glass or doors being bent back to gain access to the door buttons
Flashes indicators as a visual indication on arm disarm and trigger
Is encased in a steel box and has a battery back up siren to protect from battery disconnection
And is remotely operated via a fob
Thatcham Category 3
These are mechanically operated i.e. Steering locks handbrake locks etc
Thatcham Category 4
Wheel locking devices i.e. Security Nuts or Bolts
Thatcham Category 5
These are Tracking Devices again will generally be asked for by insurance company’s on High value cars
Hope this will be a bit of interest understanding the types of Insurance groupings of the Thatcham Criteria
There are still a lot of Quality alarms that don’t make Thatcham as they were aimed at the not lower market but ones of lesser risk or on a more competitive basis
Regards Ian a.k. MR_TOAD
