J3CT – Three-phase current transformer set – (MMI 12 – MMB 700)

The J3CT series is a three-phase current transformer set for DIN rail or mounting plate installation. The transformer set is especially suitable for use with the MMI 12 modules and the MMB 700. The measuring ranges extend from 30 A to 630 A rated current. The RJ12 plug connections allow the transducers to be connected to the MMI 12 / MMB 700 quickly and without errors.


  • Three-phase current transformer
  • Measuring ranges (30 A -630 A)
  • Cable openings (15.5 mm x 27 mm; 17 mm x 28 mm; 21 mm x 25 mm; 31 mm x 36 mm)
  • Mounting on DIN rail or mounting plate
  • RJ12 connection socket
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