Schneider Electric Harmony Explosion Proof, Red, Key Reset 40mm Mushroom Head Emergency Button. Mounting Type: Panel Mount. Normal State Configuration: NC/NO. Cutout Diameter: 22.5mm. Supply Current: 1.2 A. Pole and Throw Configuration: DPST. IP Rating: IP66, IP67, IP69, IP69K. Supply Voltage: 600 V ac. Illuminated: No. Dimensions: 40 x 1045 mm. Push Button Material: Plastic. Series: Harmony XB4. MPN: XB4BS9445EX