... transformer, 50 or 60 Hz, mineral oil immersed, self cooled, pole-mounted , Conventional and CSP type. Everpower is one leader manufacturer ... transformer, 50 or 60 Hz, mineral oil immersed, self cooled, pole-mounted , Conventional and CSP type, 5~500 KvaEVERPOWER had rich ... ; 120/240V, 240V, 240/480V, 277V/4 80V Single Phase Pole Type Distribution Transformer