Breakers Unlimited BUC438UMM30 is a definite-purpose, three-pole contactor from Breakers Unlimited, designed to switch control circuits in dedicated equipment. The unit is specified as model BUC438UMM30 with a 40 A rating and a 208/240 V coil, and it is sold as a new, unused device. You will find this exact model referenced in retailer catalogs and distributor listings under the Breakers Unlimited brand, confirming its identity as a 3‑pole, 40 A definite-purpose contactor with a 208/240 V coil.
