Schneider Electric Preventa, Black, Red Emergency Button. Mounting Type: DIN Rail. Safety Contacts: 3. Auxiliary Contacts: 1 (NC), 4 (Solid State Output). IP Rating: IP20, IP40. Supply Voltage: 24 V dc, 110 V ac. Illuminated: Yes. Width: 99mm. Length: 45mm. Dimensions: 45 x 99 x 114 mm. Depth: 114mm. Series: XPSAK. MPN: XPSAK361144P