The Crouse-Hinds series MEDC SM87BG Manual Call Point Range is designed for use in potentially explosive atmospheres and is suitable for marine and both onshore and offshore environments in the oil, gas and petrochemical industries. 

The units are easy to install and maintain and have been designed to endure the harshest environmental conditions. 

Intrinsically safe Exia and flameproof Exd versions of each model are available. 

The easy-to-install units are offered in either stainless steel or alloy to suit a wide range of applications.