Noise Cut Transformers

Our Noise Cut Transformers are designed to attenuate both common and transverse noise on the line. These transformers provide high levels of noise attenuation over a broad spectrum of frequencies. They can be combined with circuit protection, GFIs, and/or any number of electrico-mechanical components.

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All of our units are built-to-order, in either production-run or prototype quantities. Contact us to determine your specifications and get your requirements down. If you don't know everything, that is okay, we can help. Call us at US +1 408-263-8444, or email us by clicking the button below:

ISO 9001:2015 icon These transformer can be NRTL to UL 506 or 1561. Find out more about our certifications by clicking here: More on certifications

Build configurations and capabilities

Electrical Characteristics

50VA up to 150kVA

1-Phase, 3-Phase

50Hz and/or 60Hz

Up to 600Vrms input

Up to 600Vrms output

Noise Attenuation


1MHz = 80dB

10MHz = 55dB

100MHz = 45dB

1GHz = 40dB


1MHz = 80dB

10MHz = 55dB

100MHz = 45dB

1GHz = 40dB

Terminal Configurations

High voltage leads

High voltage button terminals

Bushings and insulators

Copper buss bar

Silicon bronze hardware

Terminal strip

Ring-lug compatibility

Touch-safe configurations

Lexan covers

Enclosures and weather

NEMA enclosures

NEMA 4: Watertight

NEMA 4X: Same as 4, but stainless steel



Circuit breakers

EMO switches





Examples of Noise Cut Transformers


16.8kVA Noise Cut Transformer

3-Phase, 50/60Hz

Primary = 208Vrms

Secondary = 220Vrms @ 7Arms

NEMA4 enclosure

Primary/secondary circuit breakers


10.8kVA Noise Cut Assembly

3-Phase, 50/60Hz

Primary = 208Vrms

Secondary = 208/120Vrms @ 30Arms

Line filter

Seismic floor mounts


7.2kVA Noise Cut Transformer

1-Phase, 50/60Hz

Primary = 208Vrms

Secondary 1 = 208Vrms @ 30Arms

Secondary 2 = 120Vrms @ 6Arms


About Noise Cut Transformers

Noise Cut Transformers and assemblies are specially designed to attenuate both transverse and common mode noise over a broad spectrum of frequencies and were developed to help meet “Power Vaccine Requirements”. These units can be combined with circuit protection, GFI's and/or any number of electromechanical components.