Transformer - Hammond, Line Step Up Isolation, Toroidal, 500 VA

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Transformer - Hammond, Line Step Up Isolation, Toroidal, 500 VA

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Capacity: 500 VA
Dimensions: 9" long by 6" wide by 4" height


  • Primary 120VAC, ~\frac{50}{60}~ Hz., Secondary 240VAC.
  • Provides circuit isolation.
  • Toroidal transformer for high isolation, low noise, light weight cool operation and low profile.
  • 50 or 60 Hz. operation, step up (120VAC to 240 VAC).
  • Standard 3-wire, grounded plug
  • Input (primary) connected to a 5 foot cord and standard North American plug (NEMA 5-15P).
  • Output (secondary) connected to a standard North American duplex - 3 wire grounded receptacle (NEMA 6-15R).
  • Features include ventilated black steel case with rocker lighted on-off switch & circuit breaker protected output.
  • North American Mark of Safety - C UL & UL listed (File #E211544).
  • Indoor use only.
  • Remember - These units do NOT convert line frequency.

Note about Inrush Current: Due to the superior magnetic properties of Toroidal transformers they will be susceptible to high magnetizing current when initially energized, only limited by the low DC resistance of the primary winding. Depending on where you are in the AC cycle when the transformer is energized dictates the chances of overloading the supply circuit. This is why the transformer may sometimes energize without a problem and other times it will blow the fuse or trip the circuit breaker. The duration of this overload is rarely longer than a half of a cycle. Therefore, you should consider using a slow-blow fuse, time delayed circuit breaker or other form of soft start circuitry for the supply line when using these high efficient Toroidal transformers.

Item ID:
Hammond Part Number:
RoHS Compliant
Product Measurements by Type
Item Height4.0 in.
Item Length9.0 in.
Item Width6.0 in.
Primary120 VAC @ 50 / 60 Hz
Secondary240 VAC
VA Rating500
Packaging Information
Packaging Dimensions9 in. × 6 in. × 4 in.
Weight (Packaging)15 lbs.

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PDF: Specification Sheet Specification Sheet220.28 KB

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