Model XL7C 4000:1 Ratio CT, Ebony Excel series, Crompton

132.61 132.61 USD 132.61


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  • Model
  • Input Range
  • Output
  • Tariff Code
  • ECCN
  • Insulation Level
  • CT Window

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TE's Crompton Instruments Ebony Excel range of Current Transformers offers wide system current ratings, apertures, busbar and case sizes to suit every application.  Manufactured to meet IEC61869-2, the range benefits include ratio rating from 1/5 to 6000/5, a comprehensive range of class accuracies, hinged wire sealable, terminal covers for safety and multiple mounting options.


The toroidal core and secondary winding is encapsulated with UL94V-0 approved polycarbonate, in moulded case providing excellent mechanical strength and electrical insulation.


• Plug-in metal feet for wall or base mounting
• Moulded busbar mounting
• Primary copper busbar mounting


• CT ratios from 600A to 3000A with 5A and 1A secondary's
• Comprehensive range of class accuracy's
• Cost effective moulded case
• Wide range of system current ratings, busbar sizes, case dimensions and apertures
• Wall, cable, and busbar mounting
• Hinged terminal covers


• Wide range of apertures
• Reduction of high currents for ease of metering
• Long product life


• IEC 61869-2
• BS3938
• Multi busbar mounting for two busbars

Applicable Standards: IEC 61869-2, BS3839
Construction: 10% glass filled polycarbonate.  Flame retardant grades classified UL94V-0
Connection: Two connections each side. M4 screws with self lifting clamp assembly
Insulation Class: E (120°C Maximum)
System Voltage: 720V maximum
Test Voltage: 4KV 50Hz for 1 min (Except for XL2 model where test voltage is 3KV 50Hz for 1 min)
Operating Frequency: 50Hz or 60Hz
Rated Secondary Output: 5A standard
Rated Burden: 5, 10, 15 VA (depending on rated primary and secondary current)
Class of Accuracy: 0.5, 1, 3
Optional Class: 0.2, 0.2S & 0.5S
Ambient Temperature: -20°C…+45°C
Storage Temperature: -50°C…+80°C
Thermal Short Circuit Current (lth): 60 x In
Dynamic Short Circuit Current (ldyn): 2.5 x lth
Instrument Security Factor: 5, 10, 15
Rated Continuous Thermal Current: 1,2 x in
Degree of Protection: IP20

Busbar and Mounting feet fixings are supplied as standard.


Brand Crompton
Model XL7C
Input Range 0-4000AAC
Output 0-1AAC
Tariff Code 8504.31.3900
Insulation Level 720V. Tested 4kV 50Hz for 1 min.
Current Transformers
CT Window 56mm x 101mm