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Voltage Boosters

In-Line transformers (boosters) are commonly used in Suspended Platform power distribution systems for two reasons; (A) the voltage supplied at the source of electricity is too low or (B) the distance between the power source and the suspended platform is so great that problem-causing drops in voltage will occur.

(A) LOW VOLTAGE
Some electric motors are rated 208/230 and may be used within this voltage range without problem. Other electric motors are rated for use at 230volts only. If the motorized suspended platform is to be used on one of the many buildings supplying 208 (and the motor is 230 only) then an In-Line booster will be required.

In addition to mismatches between the building voltage and the suspended platform motor voltage, another problem has become commonplace. A building that should have 208 volts, unfortunately, will have significantly less an even this voltage will vary during the day.

(B) EXTENSION CORD VOLTAGE DROP
Many times the length of cable between a suspended platform and the source of electrical power is so great that line drop results in voltage too low for proper running of electric motors. It is not possible to determine in advance, with accuracy, at what length of cable this will occur but is usually happens somewhere after 300ft.

The wire size of cable, the condition of the wire, age, ambient temperature and other factors influence voltage drop. A booster transformer can solve this problem.

We make boosters in several KVA ratings. Generally speaking the ½ KVA should only be used on the very smallest systems. Larger sizes are available for conditions that demand more capacity.

15% Boosters Line Voltage 208, Load Voltage 240				20 amp 250 volt Wiring devices with boots	30 amp 250 volt Wiring devices with boots
Transformer KVA Rating	Motor Size in Horse Power	*Full Load in Amps at 230v**	Weight	Catalog No	Catalog No
½ ¾ 1 1 ½ 2 3	¼ / 1/3 ½ / ¾ 1 1 ½ /2 3 5	5.8 / 7.2 9.8 .13,8 16 20/24 34 56	17 21 25 34 41 57	42412 42422 42427 42432 42442 42447	42452 42462 42467 42472 42482 42477

* Full load rating is based upon the use of two motors. In addition we add 20% for start-up plus an additional 20% in anticipation of more than 1 start-up per hour. Because of usual oversizing we do not have to add plus/minus 10% for low voltage.