summary
new kyn28g-12 in the home-switch device and its electrical properties with the structure and layout of the original kyn28-12 (gzs1) in the home-switching equipment, changing only the structure of the door, door locks and hinges, door interlocks increases, in the case of customer demand adding new designs breaker emergency opening device.
main feature
new kyn28g-12 in the home-switch interlock device new features and new design.
1, to achieve closing operation, do not turn off the circuit breaker compartment door can not be operated trolley, handcart experiment to reclaim the position, the circuit breaker compartment door can not be opened.
strengthen in the new design of the protection, the original switch cabinet while operating the circuit breaker opening operation can also be closing operation, no coercive measures, and the switch cabinet housing has protection class ip4x and circuit breaker compartment door protection class ip2x points. increase closing operation interlock after only a switchgear protection class ip4x, and meet the new gb3906 add content "to allow only current member can be withdrawn into or out of operation position when the door is closed" to strengthen the protective effect on personnel.
2, the circuit breaker in the working position to achieve manual emergency opening, and to achieve linkage with the circuit breaker compartment door handcart out of the operation hole, manual emergency opening button while the switchgear operating state opening push rod is rotated to the working position, and stops in the working position, when required emergency opening circuit breakers, push buttons directly implement emergency opening.
3, change the existing flat-door three-dimensional structure of the door structure, intermediate projecting a three-dimensional, the new design of the ipomoea style door hinge, reclining against the front door of the phenomenon, the original screw-type locks to pull skill door, convenient for customers to use, and will observe the width direction of the front door and the narrow width, making the overall structure is beautiful.
4, increase the operating procedures badges to remind customers to operate according to normal procedures.
