... Introduction:Indoor high voltage vacuum circuit breaker ZN63(VS1)-12 is indoor switchgear equipment with 3phase, AC , ... intensity is not more than 8 level. ZN63-12 Indoor high voltage vacuum circuit breaker ( Medium voltage ... ,730,314 10.5 Southeast Asia USD 13,140 0.05 Africa USD 1,076,228 4. ... .0 Acceptable Bus Bar Bending Machine Suzhou Tongli, SL-II 1 5.0 Acceptable Testing Machinery: Machine ...