THIS IS THE HEAVY DUTY VERSION WITH SILVER CONTACTS!!!! This one is the BEST! 12 VOLT REVERSING CONTINUOUS DUTY SOLENOID RELAY for WINCH MOTOR , WINDLASS. Product Features: Used to reverse polarity on Permanent Magnet winch motors with 2 terminal posts 12 Volts, 6 Terminals, Continuous Duty Set of mounting nuts included! 12 VOLT, REVERSING POLARITY, CONTINUOUS DUTY SOLENOID WINCH MOTOR REVERSING SOLENOID SWITCH RELAY CONTACTOR. APPLICATIONS: Late Model Ramsey & Warn Winch Motors, Windlasses, Hydraulic Pump Motors & Other Reversible Motors/Industrial Equipment Which typically employ multiple solenoids. Can replace Trombetta numbers. ITEM SPECIFICS: 12 Volts 6 Terminals Continuous Duty DPDT Motor Reversing Solenoid, (4) 5/16-24 Threaded Studs for Battery & Motor, (2) 6.4mm Blade Terminals for Solenoid Operation, (2) 7.1mm x 10.4mm Mounting Slots, 150 Surge Amps, 75 Amps Carry for 5 Minutes. This solenoid switch is used to reverse polarity on Permanent Magnet winch motors with 2 terminal posts. This solenoid only works with Permenant Magnet motors. Will not work with older style motors with copper wound fields. The item “RELAY WINCH MOTOR REVERSING SOLENOID SWITCH NEW 12 VOLT Bi-Directional 12V” is in sale since Friday, May 8, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers\Lawn Mower Parts & Accessories”. The seller is “blelectrical” and is located in Elk River, Minnesota. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Colombia, Panama, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion.