General Purpose Relay, 1-7/8" High" x 2-5/32" Wide" x 2-3/8" Deep, with Double-Pole, Double-Throw (DPDT) Switching Provides Switching For Refrigeration and Air Conditioning Equipment, Appliances, Vending Machines and Similar Applications. Molded Terminal Numbers and Circuit Diagram On Top Of Relay Provide Easy Identification For Wiring and Checking System Operation. Untapped Coil Assures Cooler Operation. Laminated Magnet Construction For Higher Efficiency. Base Designed For Easy Replacement Of Competitive Relays. Double Quick-Connect Coil Terminals. Plug Compatible with Steveco 90-340 and Mars 90340.