These are UL approved 50 and 63-Amp versions of Zettler's current HVAC/R definite purpose contactors. They are made to switch heavy loads in elevators, cranes, hoists, and other products. They have UL-rated contacts of 25-63 full-load amps, up to 600V and 155C coils rated Class F in voltages at 50/60Hz. They come with a dust-proof construction, non-position sensitive mounting, a universal mounting plate, various termination options, heavy-duty contacts, and EE lamination for using less power, Zettler Controls Inc.http://rbi.ims.ca/4928-585
The Industrial Internet of Things may be going off the deep end in connecting everything on the plant floor. Some machines, bearings, or conveyors simply donít need to be monitored -- even if they can be.
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