Electronic components required for the ongoing electrification of vehicles need to be made smaller and lighter, and there are growing safety demands, including higher accuracy and the capability for early detection of surrounding circuit breaks or other abnormalities to counter equipment failure and accidental or erroneous operation.

Failure detection functionality, greater locking/unlocking accuracy and mounting improvements are also sought for door lock modules that require compact detector switches. To fill this need, Alps Alpine has developed the SSCZ compact detector switch through modification of the already available SSCW switch. Pedal Order Switcher

Automotive safety features have been bolstered in recent years and the number of vehicles with speed-sensitive or other types of automatic locking is on the rise. In automatic locking systems, the ECU automatically switches between locked and unlocked states depending on the situation, which necessitates detection of door lock status.

Whereas the existing SSCW switch (single pole, single throw) is mainly used for detecting locked status in vehicle doors, the newly developed SSCZ allows detection of two states – locked and unlocked – by employing a single-pole, double-throw (one-pole, two-position) design. Use of double-sided sliding contacts ensures high contact reliability even when subjected to impacts or vibrations. Meanwhile, changes to the internal structure realize a 300,000-cycle operating life, three times longer than the existing model.

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