Product Description
Ametek GEMCO Rotary Limit Switch 2000-808
Item# 2000-808
Rotary Limit Switch
Specifications
Gemco"s 2000 Series Spur Gear Rotary Limit Switches are ruggedly built to control the end and/or intermediate limits of reciprocating or rotary motion in applications requiring ratios below 3:1 and 1:3. The Spur Gear limit switch is often used on installations such as motor-operated valves, dampers and hopper gates used in pipe lines, ventilating equipment and material handling systems requiring ultra-sensitive control. These GEMCO Spur Gear Rotary Limit Switches meet these demands and the high reliability required, exceeding other products on the market.
The steel input shaft is 1/2"and includes a Woodruff key and drives a bronze gear which rotates the cam block. The cam block houses independently adjustable steel cams actuating the precision type snap action switches. The switches can be provided in two, three, or four circuit configurations, provided with SPDT or DPDT switches with silver to silver contacts and screw type terminals. Maximum rated speed of the input shaft is 1800 RPM and can be rotated clockwise or counterclockwise. The NEMA 1&12 enclosures are a special fiber glass material which is highly resistant to acids,alcohols,hydrocarbons and heat. NEMA 4 and 7 enclosures are constructed of aluminum. The NEMA 7 enclosures are available for use in Class 1, Group D areas as per the National Electrical Code. Cast iron or bronze enclosures are available.
Featuring:
- All Metal Gearing
- S.P.D.T or DPDT Industrial Duty Switches
- NEMA 1 & 12,NEMA 4, and NEMA 7 enclosures
- Unique mounting configuration permits the switche installation in any of three different positions
- Mounting holes are provided for either direct or sprocket drive applications
- Gear Ratios between input shaft and cam block are 1:1, 1/2:1, 1/3:1, 2:1 and 3:1.
- An optional Potentiometer for the 1:1 ratio may be supplied with a gear coupled to the input shaft with ratios of 1;1, 1;2, and 1:3
- Positive, Independent Cam Settings
- Large Cover Openings for Ease of Wiring
- Smaller space requirements
- U.L. & CSA recognized switches
Ametek Gemco
Part 2000-808 Spur Gear Type Switch For Ultra Sensitive Control of Small Increments of Motion 2, Independent Circuit / Cams / Switches 2, D.P.D.T. Snap Action U.L. Listed Switches Part AME-04537003 Basic Switch Data see Table 2 Symbol B on Page 13 NEMA 1 & 12 Enclosure, Gasketed, Dust Resistant, Color Gray 2 to 1 Input Shaft Gear Ratio Maximum Settings Between Limits 1.8 Minimum Settings Between Limits 0.1 Minimum Turns to Reset the Switch 0.50 1/2 Inch Diameter Main Shaft Includes Keyway & a #404 Woodruff Key 3/4-14 N.P.T. Electrical Entrance 1/18 (4 LBS) H 5" L 6" W 4" Box
