This is a RANCO control unit with a single sensor, suitable for most commercial refrigerators and freezers where defrosting of the evaporator is not essential. On the inside of the unit, you can see the 30 amp compressor switch-on relay, which makes this unit almost universal in relation to the vast majority of commercial equipment, since it has a very powerful switching relay in its design. These blocks appeared on the market quite recently and proved to be very good, but there are also a few failures in these blocks along the circuit of the step-down transformer in the primary winding. This breakdown appears immediately in the first days of operation, but I think that this will not affect a good review of these modules, since the sellers will change you for a serviceable product. In all other respects, RANCO is a completely exact copy of ELIWELL.
