K Controls is now offering a comprehensive range of intrinsically safe, IECEx certified, 007 Switchboxes for valve position monitoring. Products are compliant with the latest revisions of IEC and EN 60079. Marking is Ex ia IIC T6 Gb for use in hazardous gas zones 1 and 2 and Ex tb IIIC T85oC for use in hazardous dust zones 21 and 22. Permitted ambient temperature is in the range -40C to +70 C and varies with type. Certification includes all elements of the switchbox not just the switches themselves. Switch options include hermetically sealed magnetically operated reed switches, micro switches, and standard or failsafe inductive proximity sensors. Multiple sensors and switches can be fitted in a single enclosure for optimum redundancy. Enclosures can be coated aluminium or stainless steel and the product can be adapted for use on rotary or linear, manual or actuated valves. Versions are also available for terminating a local actuator mounted solenoid valve.
