Staco Variable Transformer 1510 and 1520 Series
The 1510/1520 Series Variable Transformers are highly reliable, dependable and accurate AC voltage control devices. The 1510,120 volt variable transformer coil is rated at 15 amperes for constant current loads; while the 1520, 240 volt variable transformer is rated at 9.5 amperes for constant current loads. Constant impedance ratings are listed in the specifications. They can be operated at frequencies between 50 and 2000 hertz with derating at higher than rated frequency (See Table for frequency derating).
Uncased models have the shaft extending from the base end. This shaft is fully adjustable and can be extended from either end for general utility mounting. Cased styles are available in either "C" style (featuring cover over the coil assembly only) or the "CT" style (which also includes a terminal box cover with knock-outs to accept conduit).
Motor driven variable transformer models in this series are available in single, two and three ganged assemblies; cased or uncased styles as identified by the prefix "M" in the type number. If a motor driven model is ordered, be sure to prefix the part number with the desired travel time from 0 to maximum of 5,15, 30, or 60 seconds. The synchronous motor is designed for operation on 120 volts, 50/60 hertz single phase lines and draws approximately 0.3 amperes.
Portable models with case, cord, receptacle, switch, light and fuse are available. Goto Portable Variable Transformer Page for details.
120V 50/60Hz Single Phase Input with up to 140V Outputs
240V 50/60 Hz Single Phase Input with up to 280V Outputs
480V 50/60 Hz Single Phase Input with up to 560V Outputs
120V 50/60 Hz Single Phase Input Voltage Doublers 0-280V Outputs
240V 50/60 Hz Single Phase Input Voltage Doublers 0-560V Outputs
240V Three Phase Wye Input with up to 280V Outputs
480V Three Phase Input 0-480/560V Output
240V 60Hz Three Phase Wye Phase Input Voltage Doublers 240V 0-560V Outputs
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10100 Royalton Rd.
Cleveland, OH 44133 USA
Tel: 440-237-3200 - Fax 440-237-1744
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