260 to 115 Volt
Silicon steel laminations, iron-core type
For operating 120-volt, 50 or 60 Hz equipment on 200-, 220- or 240- to 260-volt, AC circuits of identical frequency, within capacity limits
200- to 1,500-watt transformers, except 1,500-watt, have three leads from primary winding (properly identified beneath removable metal cap on rear of transformer), so that soldered connections can be changed in the laboratory for 200-, 220- or 240- to 260-volt circuits
85- and 1,500-watt transformers are not provided with taps and primary rated at 230 volts, allowing for variation of ±10%. With three-wire cord and plug on primary winding and output receptacle for three-prong plug.