Flex-Core FCL Series Flexible Split-Core Current Transformers - 200:5A - 2000:5A Current Ratio w/4.00" Window

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FCL Series - 4" Window*

The Flex-Core FCL series is a flexible split-core current transformer which was designed for easy installation on large bus or wire conductors in order to make electrical load surveys or for continuous monitoring of current. The FCL series features a flexible core which is constructed from directional silicon steel. The secondary windings are made up of copper. The FCL series is also encapsulated in silicon rubber which protects against moisture, dirt, oil and corona.

The FCL series also features a 0.72 kV BIL (10 kV Full Wave) insulation level, a thermal factor of 1.25 at 30°C (86°F) & 1.0 at 55°C (131°F) and 12 ft. leads with spade connectors. The FCL flexible split-core current transformers are also UL-rated and meet IEC 60044-1 standards.


  • Flexible core for easy installation on bus bars & conductors
  • For use with any 5 Amp indicating or recording ammeter or Amp or Watt Transducer
  • 12 Ft. Secondary Leads with spade connectors
  • 4.00" Window Diameter
  • Accuracy:
    • 200:5A to 300:5A - 4%
    • 400:5A to 500:5A - 3%
    • 600:5A to 800:5A - 2%
    • 1000:5A to 6000:5A - 1%
  • Insulation Level: 0.72 kV BIL (10 kV Full Wave)
  • Thermal Factor: 1.25 at 30°C (86°F) & 1.0 at 55°C (131°F)
  • Operating Temperature: -45°C to +55°C (-49°F to 131°F)
  • UL Recognized and meets IEC 60044-1 standard


  • 5 Amp Indicating Ammeters
  • Watt Transducer
  • Current Transducer
  • KWH Meter
  • Demand Meter
  • Power Factor Meter
  • Current Sensing Relays
  • Energy Management Systems

Additional Info

  • Spade Connectors
  • No
  • 720V
More Information
Features Split-Core CT
Manufacturer Flex-core
Ratio 1000:5 ACA, 1200:5 ACA, 1500:5 ACA, 1600:5 ACA, 2000:5 ACA, 200:5 ACA, 250:5 ACA, 300:5 ACA, 400:5 ACA, 500:5 ACA, 600:5 ACA, 800:5 ACA
Type Current Transformers
Additional Skus FCL200/5-4, FCL250/5-4, FCL300/5-4, FCL400/5-4, FCL500/5-4, FCL600/5-4, FCL800/5-4, FCL1000/5-4, FCL1200/5-4, FCL1500/5-4, FCL1600/5-4, FCL2000/5-4
Additional Details

Pricing varies based on configuration. Please configure product below.

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