Sigma S32 CAT2-1 Upgrade Alarm

Sigma S32 CAT2-1 Upgrade Alarm


To convert immobilised vehicles to Thatcham CAT1

  • Security Features

    • Switches securely from the vehicle’s existing OE remote
    • Perimeter protection circuit for boot and bonnet (negative input)
    • Perimeter protection circuit for doors (positive or negative input)
    • Closed loop protection circuit (looped wire to protect accessories)
    • Ignition detection circuit
    • Ultrasonic interior protection
    • Single immobilisation circuit (18 amp continuous/30 amp max)
    • Manual arm, using the vehicle’s existing OE remote
    • Auto re-arm can be programmed to re-arm the system
    • Key theft protection feature can be turned
    • Last trigger identification via the dashboard LED
    • Additional plug-in single stage sensor socket (optional)
    • Additional plug-in dual stage sensor socket(optional)
    • Secure data linked, self powered siren included


    The Sigma S Series is designed to work independently as a full remote control system linked to the vehicle’s central door locking or to the existing remote locking system. All models are manufactured to the highest European certification standards, including Thatcham approval where stated.

  • Convenience Features

    • Negative door locking/unlocking control
    • Armed output (negative 200mA max )
    • Additional siren/pager output (negative 200mA max)
    • Interior lamp illumination output (negative 200mA max)
    • Headlamp illumination output (negative 200mA max)
    • Secure ignition PIN override
    • Secure PIN override using the keypad
    • Silent arm and disarm (audible bleeps can be programmed back on)
    • The last circuit to trigger can be excluded using the keypad
    • The vehicle’s battery voltage can be checked using the keypad
    • The sensors are excludable using the keypad or repeated arming





    • Thatcham Category 2 to 1 upgrade alarm system
    • Switched from vehicle’s existing OE remote controls
    • Supplied with self powered siren, and tri-coloured status LED
    • The system has outputs to switch negative controlled CDL systems
    • Single immobilisation circuit
    • Key theft protection facility – only with the optional keypad
    • Auxiliary siren, armed accessory, interior lamp and headlamp outputs
    • Sophisticated programming and diagnostic facility via the keypad