This contact switching device 1 is provided with: a movable contactor 10a having a bottom surface 10e on which a movable contact 10b is provided; a crossbar 20 supporting the movable contactor 10a on an outer surface 23a of a support cylinder 22 and movable in the contact and separation direction of a fixed contact 100a and the movable contact 10b; a contact pressure spring 31 having an upper end 31a supported at a convex part 23e of the support cylinder 22; a spring seat 32a supporting a lower end 31b of the contact pressure spring 31; a spring seat assembly 30 integrated with said spring seat 32a and including a movable contactor support 33 that transmits the spring force of the contact pressure spring 31 to the bottom surface 10e of the movable contactor 10a; and a spacer 40 sandwiched between the bottom surface 33d of the movable contactor support 33 and the top surface 10d of the movable contactor 10a.

Solar battery power source

Contact switching device

PURPOSE:To need for any shunt circuit which consumes excess power is eliminated and the prevention of temperature rise is achieved by so controlling the output os a solar battery array as to let only the output current of the tatal of the current necessary for load and the current necessary for charging a storage battery to suppress the generation of excess power be generated.

Solar battery power source

Citations

Contact switching device

References

Solar battery power source device

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