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.
Browse available units in our catalog of Bulletin 937.
This isolated barrier features galvanic isolation with a SIL 2 safety rating, making it suitable for safety-critical areas. It accepts dry contact inputs and outputs through relay mechanisms. Line fau
This signal conditioner supports a range of universal temperature inputs and provides an analog DC output. It includes one channel and offers galvanic isolation in three ways, ensuring safety and sign
With a supply voltage of 24 volts DC, the device offers galvanic isolation. It mounts easily on a 35 mm DIN rail and is rated for an operating temperature range from -20 to 60 degrees Celsius. This un
This Zener barrier operates with a maximum series resistance of 250 Ohms. Rated for use in temperatures between -25 to 70 degrees Celsius, it offers robust performance across a range of conditions. Th