Owing to adopting the contacting functions of slicing frictions, the item can be self-cleaning and ensure the electric circuit to be reliable.
F4(LA1-D) series auxiliary contactor blocks are installed on the top of F4 (LA2-D) control relay or CJX2 (L-N) AC contactor for expanding the couples of auxiliary contacts points.
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electronic part , electronic parts , temperature controller , feed back , feed back system , feed back systems