The DPST Contactor is a series of DC Contactor with contact arrangement of double pole single throw, namely two normally open relay. It is widely used in electrical control systems, such as communication power supply equipment, frequency converters, engineering machinery, electromobiles, electric forklifts, automobiles, trains, ships, uninterruptible power supplies, etc. It is developed for both interrupted and uninterrupted loads, and suitable for switching resistive, capacitive and inductive loads. Due to the diversity of double pole single throw contactor product structures, different installation requirements can be met.