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Toroid Corporation - General Isolation Transformers for Step-Up or Step-Down Applications

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General Isolation Transformers by Toroid Corporation are robust devices designed to enable both step-up and step-down voltage transformations, making them suitable for various industrial and commercial applications. With a 4000V hi-pot testing assurance, these transformers ensure safe and reliable operation. They are supplied with standard mounting accessories, including one metal washer and two rubber pads, and can be customized with NEMA enclosures, fuse options, and line cords. For unique installation needs, Toroid provides additional mounting solutions such as Omega or L-brackets. Keep in mind to avoid a closed loop which can create a shorted turn in the transformer when applying custom mounting systems. Toroid’s transformers comply with UL and CUL standards, having received construction approval across their standard and over 500 custom designs. Produced in the USA, these transformers echo Toroid's commitment to quality and global operational standards.

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General Isolation Transformers are bare transformers that can be used for either step-up or step-down applications.  4000V hi-pot tested.

  • Standard design
  • Recognized to UL1411, C-UL and UL 506
  • C-UL Certified to CSA C22.2 No. 66
  • From 150VA to 1000VA
  • Other power ratings available upon request

General Isolation Transformers are supplied with one metal washer and two rubber pads, however other mounting options are available:

Enclosures

The above transformers can be ordered mounted inside a NEMA enclosure with or without fuse, receptacle and line cord with plug.

Vertical Mounting

When vertical mounting of the transformer is required we recommend using our Omega or L- brackets. Learn more at our Mounting and Hardware section.

UL and CUL Agency Files
UL and CUL have issued the following reference (file) numbers for our construction approvals received for all our standard designs and over 500 custom designs.

Safety Standard
UL 1411 (Medical) UL 506 (Non-Medical)
CSA C 22.2 No 66

Agency Reference
UL file E-161696
C-UL file E-161696