Allen-Bradley 937A-PSFD Redundant Power Feed Module, For Use With 937 Intrinsic Safety Module, 30 VAC, 40 VDC, 20 to 30 VDC, 2 A Contact Loading, -13 to 140 deg F Ambient

The power feed module is used to supply the devices with 24 VDC via the power rail. The fuse protected power feed module can supply up to 150 individual modules depending on the power consumption of the devices. Collective error messages received from the power rail activate a galvanically isolated mechanical contact.