The HT800 series from EATON electrical sector is a family of 30.5 mm pushbutton devices which includes momentary, illuminated and mushroom head pushbuttons, selector switches, indicating lights and push-pull switches. The HT800 devices have a familiar appearance found in most industrial applications and are suitable for replacement of several other manufacturer's 30.5 mm pushbutton devices.

EATON Non-Illuminated Selector Switch, Oil/Watertight Pushbutton, Series: HT800, 30.5 mm Size, 1NO Contact Configuration, Maintained Contact Mode, 10 A at 600 VAC, 5 A at 250 VDC Contact, 2 Positions, Cam Code: Cam 3A, Bezel/Housing: Round Polished Chrome Bezel, Lever Actuator, Screw Terminal, NEMA 3/3R/4/4X/12/13 Enclosure, Black, Environmental Conditions: 10 to 140 deg F Operating Temperature, -40 to 176 deg F Storage Temperature, 95% Relative Humidity at 60 deg C

• Anodized aluminum mounting rings
• Watertight double V-gasket seals
• Transparent housing contact blocks
• Color coded contact blocks
• Gold plated contacts (on low voltage contact block)
• Reliability ridge on movable contact
• Stackable screw-mounted contact blocks
• Contact blocks can be mounted in left/right or top/bottom positions
• Standard NC contact opens before NO contact closes (break-before-make operation)
• Field convertible maintained selector switches from 2 to 3-position and vice versa
• Field selectable knob/lever mounting positions at any 22.5 deg increment

• Specification Sheet https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/EATON_HT8JDH3AA5_Specification_Sheet.pdf
• VIDEO LINK http://videos.eaton.com/detail/video/6243433319001/how-to-size-and-select-a-power-supply?autoStart=true&q=power%20supplies