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L831 Series Isolation Transformers -50 Hz

L831 Series Isolation Transformers -50 Hz
 

Application

Integro FAA Approved Series Isolation Transformers are used to isolate high operating voltage for constant current airfield lights in a series circuit. They are encapsulated and designed to operate efficiently while submerged in water. They are approved to operate between -55 C and + 65 C and can be installed above ground, in metal cans or direct buried.

Where They are Used

Integro Series Isolation Transformers are installed at most major airports in the United States and Mexico, as well as in many countries in South America, Europe, Asia and Africa. Our American made Series Isolation Transformers are also preferred at many military airports in the United States.

Approvals and Testing

Integro Series Isolation Transformers are approved to the FAA L-831 specification and are certified by ITS Testing Labs to FAA Advisory Circular 150/5345-47. All Integro Transformers undergo 100% Quality Testing which includes visual inspection, ratio testing, heat testing and HIPOT testing after heating and 12 hour soaking.

Click here to view Certifications

Design

Integro Series Isolation Transformers are wound for 6.6 and 20 Amp primary circuit applications. They are encapsulated in thermoplastic rubber for superior durability and dielectric strength and are manufactured with 2 primary and 1 secondary FAA L-823 listed leads.

FAA
Designation
Integro
Part #
DescriptionPri/Sec
Amps
Design
Frequency (Hz)
Weight
(in lbs.)
  *11732 10/15W 6.6/6.6 50 3.6
  *11733 20/25W 6.6/6.6 50 3.6
L831-1 11710 30/45W 6.6/6.6 50 4.2
  *11723 30/45W 20/6.6 50 4.2
L831-3 11712 65W 6.6/6.6 50 4.5
L831-4 11683 100W 6.6/6.6 50 8.5
  *11714 100W 20/6.6 50 8.5
L831-18 11734 150W 6.6/6.6 50 8.5
  *11731 150W 20/6.6 50 8.5
L831-6 11715 200W 6.6/6.6 50 10.3
  *11716 200W 20/6.6 50 10.3

* Transformers conform to FAA L-831 specification

 

The leads are:

  • Style 2-Male Primary Lead on 8/1 cable, 24" long
  • Style 9- Female Primary Lead on 8/1 cable, 24" long
    (Both leads are rated 25 Amps and 5000 Volts).
  • Style 8- Female Secondary Lead on 12/2 cable (rated 20 Amps and 600 Volts), 48" long.
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