ZN63's operating device of the series product is for the spring loaded type, can use the electrically operated operation.

Technical parameter

Item Unit Data 31.5kA 40kA 50kA Rated voltage kV 12/17.5/24kV Maximum working voltage kV 12 Rated current A 1250, 16002000, 2500 1250, 16002500, 3150 1250, 25003150 Rated short-circuit break current kA 31.5 40 50 Rated short-circuit close current(peak value) kA 80 100 125 Rated peak value withstand current kA 80 100 125 4S Rated little withstand current kA 31.5 40 50 Rated in sulation level Industrial frequency withstand voltage kV 42/50/60 Thunder impulse withstand voltage 75/95/125 Rated operation order   -0.3S--180S-Off-0.3S on and off-180S-on and off Mechanical life-span times 10000 Rated short-circuit current break and close time times 50 Speak and move organization amount equal to the voltage of thefloodgate(DC) V 110,220 Speak and move organization amount assign the current of thefloodgate(DC) V 110,220 Switching distance of the contact mm ≥11 Ultra journey(touches the head springand compresslength) mm 4±0.5 three-phase breaking intoshut floodgate sex of the same period ms ≤2 Touch the head and shut a floodgate of time of bouncing ms ≤2 Average speed of breaking brake m/s 0.91.2 Average speed of closing brake m/s 0.60.8 Time of breaking brake Operate it under the voltage highest s ≤0.05 Operate it under the voltage temostlow ≤0.08 Time of closing brake s ≤0.1 Each the resistance of main return circuit μΩ ≤40 Allowance abrasion cumulated thickness of the moving andstationary contact mm 3