Allen Bradley Bulletin 937

Allen Bradley Bulletin 937 modules are intrinsic safety modules that support operating in hazardous locations. They have integrated diagnostics features and only require simple maintenance to operate correctly. The Bulletin 937 safety modules support horizontal and vertical mounting. Some Bulletin 937 modules have isolated barriers, some have converter barriers, and some have zener barriers. These intrinsic safety modules use power rails that do not require complex wiring systems and that are efficient to install and troubleshoot. The Bulletin 937 safety modules are suitable for applications in Class 1, Division 1, Zone 0, and Zone 1 types of hazardous locations.