PB 125 This Manual Call point “push button” type is a product certified for Atex areas 1-2 for gas and 21 to 22 for dust. It is dedicated Oil & Gas, chemical, petrochemical, pharmacy industries, marine and Offshore applications. It was developed for corrosive environments and hazardous areas . The apparatus is compatible with PLC, ESD, DCS systems via output 4-20 mA.  There are two versions, push button and push button with key (provided). The visualisation functions, line detection, and lift flap protection, are optional. Made in 316 L stainless steel covered  by a paint UV resistant