Low Inrush Transformers for Medical-Grade Applications

January 1, 2020

Low Inrush Transformers for Medical-Grade Applications Power-Tronix

POWERTRONIX, provides for the Medical Industry dependable power solutions/Isolation Transformer/Inductors based on innovative, reliable designs with world wide safety agency approvals. We work closely with our customers to fully understand their needs and we provide unique, high quality, cost effective products, manufactured in our large ISO 9000 certified manufacturing facilities


Powertronix low inrush current, isolation transformer has a capability of limiting the inrush current and avoid nuisance tripping without any external components. This unique design ensure the power system operation reliability. Powertronix has developed and improved low inrush technology to define the inrush level to be in line with circuit breaker transient trip current. Hence, our technology is economical and dependable.

Toroidal Transformer:

  • Power : 1kVA to 20kVA
  • Frequency : 47Hz to 63 Hz
  • Leakage current < 100 μA
  • Primary : Customer specified
  • Secondary : Customer specified
  • Efficiency : 95% to 98.6%
  • Isolation :   4kVA ( Hi-pot)
  • Temp rise: Customer specified
  • Insulation classes: A, B, F, H
  • Hi-pot : 4000Vrms
  • Safety : UL60601-1 approved
  • RoHS  : Compliant

Do You Know:

Toroidal Transformer has many advantages compare to traditional transformers due to it’s inherent construction method, which is favorable for Medical applications:

  • Smaller and lighter
  • High efficiency
  • Wide choice of mounting options
  • Lower no load power consumption
  • Virtually no audible noise
  • Wider choice of configuration
  • Ultra low interference due to radial winding
  • Low leakage current

Isolation Station:

  • Power : 300/600/1000/1500/1725VA
  • Input : 115/230 Vac @ 50/60Hz
  • Output : 115/230V
  • Leakage : < 100μA
  • Voltage Selectable : Yes
  • RoHS compliance : Yes
  • Mounting:   Floor standing / Rack mounted

Safety Approval :

  • UL listed : UL60601-1
  • CE marked
  • CB certificate

Low Inrush Designs:

  • No external components
  • Robust construction
  • Resilient to Harmonics
  • No Saturation at non linear loads
  • Sustainability at poor input voltage quality and missing cycles

Low Inrush Transformers for Medical-Grade Applications Power-Tronix


Document Download: Low-Inrush-Transformers-for-Medical-Grade-Applications.pdf