Preventa XPSMCM Output Module, 2 Inputs, 4 Outputs, 24 V dc. For Use With: Preventa Modular Safety Controller. Normal State Configuration: 2NC, 4NO. Power Rating: 3 W. Mounting Style: DIN Rail Mount. Dimensions: 22.5 x 99 x 114.5 mm. Terminal Type: Screw. MPN: XPSMCMER0004, Schneider Electric