L-831 Series Isolation Transformers-50 Hz

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.

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Description

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.

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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.

 

Airfield Lighting Power – L-831 Series Isolation Transformers-50 Hz
FAA
Listing
Integro
Part #
Watts
Pri/Sec
Amps
Weight
(in lbs.)
L-831
11732
10/15W
6.6/6.6
3.6
L-831
11733
20/25W
6.6/6.6
3.6
L-831-1
11710
30/45W
6.6/6.6
4.2
L-831
11723
30/45W
20/6.6
4.2
L-831-3
11712
65W
6.6/6.6
4.5
L-831-4
11683
100W
6.6/6.6
8.5
L-831
11714
100W
20/6.6
8.5
L-831-18
11734
150W
6.6/6.6
8.5
L-831
11731
150W
20/6.6
8.5
L-831-6
11715
200W
6.6/6.6
10.3
L-831
11716
200W
20/6.6
10.3

 

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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