Charles Industries, Ltd. Home Page -  to download a company logo, please go to
About Charles Industries
New Product Information and Media Coverage
The Latest Corporate and Product News
Customer Satisfaction and Continuous Improvement
Charles Industries RoHS Statement
A List of Shows Charles Will Be Attending
Business Development Information
Telecommunications and CATV Solutions
Utilities and DOT Solutions
Marine and Industrial Solutions
Technical Support, Customer Service and Repair Information
List of Authorized Distibutors
Literature Request For Charles Industries
Email Newsletter Subscription For Charles Industries
Employment Opportunities with Charles
Keyword Search of Entire Charles Website

Navigational Guide for Charles Website

E-mail Information by Department


Charles Industries’ 1500 Watt Isolation Transformers are used by airports worldwide to isolate high operating voltage for constant operation of approach lighting used on airport runways. Made in the U.S.A., Charles Isolation Transformers are built to the highest quality testing which includes visual inspection, ratio testing and HIPOT testing. Fully ETL accepted and FAA approved.

Encapsulated in an aluminum case and designed to operate efficiently while submerged in water, Charles transformers are approved to operate between -55° C and +70° C and can be installed above ground or direct buried.

Charles Industries’ 1500 Watt Isolation Transformers

Part Number 14-MT5149-0


A product bearing the ETL Listed Mark has met the minimum requirements of widely acceped product safety standards and indicates that the manufacturer has agreed to periodic follow-up inspections to verify continued compliance.

  •  Passes NBP ALSF-2 lamp out power line carrier monitoring system signal

  •  Meets FAA-E-2690A up to 1800 watts to allow for power lost in wiring

  •  Quick connections consist of molded L-823 plugs and receptacles. Primary Side: Style 2  
     plug  and Style 9 receptacle with 10 AWG, 5000 volt lead wire. Secondary Side: Two pin Style
     8 receptacle with 12 AWG, 600 volt lead wire. All leads are 24.0”

  •  Attached lifting handle

  •  Meets 15KVDC insulation resistance requirements of FAA-E-269A

  •  Made in the U.S.A.

View Datasheet (.pdf)


Electrical Performance
Capacity 1800 Watts
Primary Current 20 AMPS
Power Factor 0.90 Minimum
Efficiency 95% Minimum
Frequency 60 Hertz
Secondary 20.0 AMPS +/- 0.2 AMPS Full Load
Secondary 22 AMPS Maximum Short Circuited Current
Primary Voltage 845.5 Volts to Peak with Secondary Open Circuited
Primary HIPOT 5000 Volts RMS
Secondary HIPOT 600 Volts RMS
Operating Temperature -67° F (-55° C) to 185° F (+70° C)
Mechanical Performance
Width 8.00 inches (20.32 cm)
Depth 7.50 inches (19.1 cm)
Height 9.00 inches (22.9 cm)
Diagonal 10.50 inches (26.7 cm)
Weight 62 lbs (28 kg)
Note:  Dimensions are for transformer body (excluding leads and handle).

Back to Top
  About Charles 
What's New  |  TL/ISO 9000  |  Search  |  Telecom & CATV  Utilities & DOT  |  Industrial
Order Status 
|  Careers  |  Literature Request  Support  |  Site Map  |  Privacy Statement  |  Contact Charles

©2018 Charles Industries, Ltd. All rights reserved. Copyright Statement & Terms of Use