Single-phase solid state relay single-phase solid state relay single-phase solid state relay manufacturers | | | the radiator

by:Positioning     2021-02-17
Flow is caused by single phase solid state relay output within the main reason of the thyristor permanent damage. Fast fuse and air switch is the ー over-current protection method. Small capacity single-phase solid state relay also can choose fuse; Many load in the switching moment can produce large surge current, due to the heat dissipation, surge current and over current as of single-phase solid state relay output SCR internal damage is one of the most main reason. So when single-phase solid state relay selection, guarantee of current allowance is extremely important, resistance load, a single-phase current of solid state relay selection level should be greater than or equal to 2 times the rated current of the load. B, load of ac motor, single-phase solid state relay selection of current level must be greater than or equal to 5 to 7 times the rated current of the motor. C, ac electromagnet, intermediate relay line protection, the load such as inductance chart, single-phase solid state relay selection level should be greater than or equal to the current load of 34 times rated current, transformer when demand is greater than or equal to 45 times rated current transformer, special sensibility, capacitive load should be based on the actual experience must also magnify the current allowance of the single-phase solid state relay. D, the type of power compensation capacitor load, selection of single phase current of solid state relay level must be greater than 5 times the rated load current zhejiang rectifier co. , LTD. Mainly produces single-phase solid state relay, three-phase solid state relays, solid state relays, solid state relay radiator form, etc. , we are waiting for you!
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