Deca Push Buttons, Selector Switches, and DIN Rail Terminal Blocks Non-Illuminated For 22mm mounting holes 1 NC, 1 NO, or 1 NO / 1 NC contact arrangement 40mm diameter head Silver contacts Push to lock, twist to unlock Emergency Stop Switches Standard or grounding type Screw clamp, double level, diode, disconnect, miniature or spring clamp For wire gauge sizes ranging from 2-28 AWG UL/CSA voltage ratings 300V, 600V, or 1000V UL/CSA amp rating ranges from 2A-275A Beige polyamide housing (standard) or green/yellow polyamide housing (ground) DIN Rail Terminal Blocks For 22mm mounting holes 40mm diameter mushroom head Black, blue, green, red, white, or yellow Momentary or maintained 1 NC, 2 NC, 1 NO, 2 NO, 1 NO/1 NC contact arrangement Silver contacts Non-Illuminated Push Buttons For 22mm mounting holes Maintained, momentary, or 1 way spring return Blue, green, red. white, or yellow LED illuminated 12V, 24V, or 110V 2 position or 3 position 1 NC, 1 NO, 2 NC or 2 NO contact arrangement Silver contacts Selector Switches