Acme Electric TF217437S Distribution Transformer. Acme Electric Distribution Transformer, Air Colled/Dry, 190/200/208/220/380/400/416/440 VAC Primary, 120/240 VAC Secondary, 1 kVA, 50/60 Hz, 1 ph, Wire Lead, Wall Mount, Class H/180 deg C, NEMA 3R, 115 deg C, 5.13 in L x 5.5 in W x 10.5 in H. Additional Description: ACME-TF217437S TFMR 1PH 1.0KVA 190-440-120/240 HZ , 190/200/208/220 X 380/400/416/440 PRIMARY VOLTS , 120/240 SECONDARY VOLTS , * CE MARKED.. Catalog Description: Low Voltage Distribution Transformer - Single Phase, 190/200/208/220 X 380/400/416/440 - 120/240V, 1kVA.