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ATEX approved
25 January 2013
PCB Piezotronics' 686B01 series vibration switch has been ATEX approved for use in hazardous environments. The EX686B01 is suitable for 24/7 continuous protection of cooling tower fans and gearboxes, fin fans, motors an

PCB Piezotronics' 686B01 series
vibration switch has been ATEX
approved for use in hazardous
environments. The EX686B01 is
suitable for 24/7 continuous
protection of cooling tower fans and
gearboxes, fin fans, motors and
pumps, HVAC systems, wind
turbines and other critical machinery
operated in hazardous areas.
Meeting ATEX Ex nL IIC T3 approval requirements for use in hazardous environments, the EX686B01 is hermetically sealed and mounts with a single stud like a sensor. This smart vibration switch includes an embedded piezoelectric accelerometer for accurate measurement and monitors vibration velocity for consistent results.
It also offers a remote reset capability and USB programmable alarm threshold, and time delays to avoid false trips.
Meeting ATEX Ex nL IIC T3 approval requirements for use in hazardous environments, the EX686B01 is hermetically sealed and mounts with a single stud like a sensor. This smart vibration switch includes an embedded piezoelectric accelerometer for accurate measurement and monitors vibration velocity for consistent results.
It also offers a remote reset capability and USB programmable alarm threshold, and time delays to avoid false trips.
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