289 Series - Isolation - Step Down (240VAC To 120VAC)
Plug-In

Product Features:
  • Primary 240VAC, 50/60 Hz., Secondary 120VAC.
  • Provides circuit isolation.
  • Toroidal transformer for high isolation, low noise, light weight, cool operation and low profile.
  • World wide applications, 50 or 60 Hz. operation, step down (240VAC to 120VAC).
  • Standard 3-wire, grounded plug (for use with adaptors (298G Series) for proper grounding).
  • Input (primary) connected to a 5 foot long cord and standard 250V 2 pole, 3 wire - North American plug (NEMA 6-15P).
  • Output (secondary) connected to two standard - 3 wire grounded receptacles (NEMA 5-15R).
  • Features include ventilated black steel case, rocker lighted on-off switch and circuit breaker protected output.
  • North American mark of safety - C UL and 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.
Hammond Manufacturing Transformers
KGA Enclosures Ltd are full authorised distributors of the Hammond Manufacturing Transformers product range. This entire range is available from KGA Enclosures Ltd at great competitive pricing and with full customisation options on all applicable products.

Please Remember - Only use authorised distributors to purchase these products. Using authorised distributors will guarantee you receiving a genuine product which, by using KGA Enclosures, we can guarantee you receiving.
Hammond Manufacturing Product Ranges
Did you know, the entire Hammond Manufacturing product range is all available here at KGA Enclosures Ltd. If you find a lower price, we aim to match and beat it. For more information on any range, please click the link below.
289 Series | Hammond Manufacturing Transformers | KGA Enclosures Ltd
Product Options
Part No Brand Product Information 1+ 5+ 10+ 25+
289CT Hammond Please Click Part Number For More Details £241.32 £231.66 £222.01 £217.18
289DT Hammond Please Click Part Number For More Details £252.09 £242.00 £231.92 £226.88
289ET Hammond Please Click Part Number For More Details £293.81 £282.06 £270.30 £264.43
289FT Hammond Please Click Part Number For More Details £368.68 £353.93 £339.19 £331.81
289GT Hammond Please Click Part Number For More Details £451.77 £433.70 £415.63 £406.60
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289 Series | Line Transformers - Step Down Isolation | Hammond Manufacturing Transformers