Check the listing for details. 2 (Two) Grayhill BCD Compliment Mechanical Encoders Series 51. Condition: New. Listed at 44.95 USD. 2 (Two) Grayhill BCD Compliment Mechanical Encoders Series 51 This is a Brand New Lot of 2 (Two) Grayhill BCD Compliment Mechanical Encoders Series 51.The following is what you'll see on the four output terminals, 1, 2, 4 and 8. It should look familiar:1248000010000100110000101010011011100001100101011101...But only goes up to 11 since this is an encoder with 12 pins on it. Please see last pictures for illustrations that elaborate on this.Electrical RatingRated: To make and break 125 mA 30 Vdc resistive load for 25,000 cycles of operation.Cycle: (1 cycle = 360° rotation and return)Test conditions are standard atmospheric pressure, 25°C and 68% relative humidity.Contact Resistance: 20 milliohms initially, 300 milliohms maximum after life Insulation Resistance: 50,000 megohms initially, 10,000 megohms after lifeVoltage Breakdown: 500 Vac between mutually insulated partsMaterials and FinishesBases: Thermoset plasticDetent Rotor: NylonShaft, Stop Blades, Stop Arm, Thrust Washer And Retaining Ring: Stainless steelDetent Balls: Steel, nickel-platedBushing: Zinc, cadmium-platedDetent Spring: Stainless steelCommon Terminals and Rings: Brass, gold plate .00003" minimum over silver plate .0003" minimumTerminals: Brass with silver contact surface, gold-plated .00003"Rotor Contact: Berillium copper with silver contact surfaceShaft And Panel Seal: Silicone rubberMounting Hardware: One mounting nut, .089" thick by .375" across flats, and one internal tooth lockwasher are supplied with the switch.Additional CharacteristicsContact Type: Wiping contactsShaft Flat Orientation: Switch position is defined as that position that is opposite the shaft flat. The location of the contacts in relation to the shaft flat is shown on the circuit diagram.Terminals: Only the active position terminals, as shown in the circuit diagram are supplied with the switch. All common terminals are supplied.Stop Strength: 7.5 in-lbs minimumRotational Torque: 8 to16 in-ozBushing Mounting: Required for these switches We’re e-liquidators. We specialize in Military, Government, Industrial and Business liquidation services, disposition and asset recovery management. Our surplus inventory comes to us from many sources, big and small: corporate clients, closing businesses, military DRMO’s, and local government agencies, and individuals. Feel free to contact us with your questions, concerns and suggestions. Contact information:We are "E-liquidators" on Facebook Google “E-liquidators” for additional informationPlease take a moment to see our current specials on eBay our other eBay listings. Powered by SixBit's eCommerce Solution