◼︎ Explosion-proof: CT4 ◼︎ 11 operation buttons (10 Double-speed buttons+ 1 START) ◼︎ 1 standard mushroom-head rotating emergency stop button ◼︎ 18 control contactors ◼︎ Program the button function by computer interface ◼︎ Up/down, east/west,south/north, 1/2, 3/4 can be programmed to interlock or non-interlock.The start key can be programmed to start,toggle switch,normal or other functions.

◼︎ Explosion-proof: CT4 ◼︎ 12 operation buttons (11 Single-speed buttons+ 1 START) ◼︎ 1 standard mushroom-head rotating emergency stop button ◼︎ 13 control contactors ◼︎ Program the button function by computer interface ◼︎ Up/down, east/west,south/north, 1/2, 3/4 can be programmed to interlock or non-interlock.F1 can be set to skip, normal. The start key can be programmed to start,toggle switch,normal or other functions.

◼︎ Explosion-proof: CT4 ◼︎ 12 operation buttons (11 Double-speed buttons+ 1 START) ◼︎ 1 standard mushroom-head rotating emergency stop button ◼︎ 20 control contactors ◼︎ Program the button function by computer interface ◼︎ Up/down, east/west,south/north, 1/2, 3/4 can be programmed to interlock or non-interlock.F1 can be set to skip, normal. The start key can be programmed to start,toggle switch,normal or other functions.