Series 13,
21mm Dia Cables


A range of low cost moulded case current transformers suitable for primary currents from 40A to 300A with built in sealable terminal covers


For transforming various primary currents into 5A or 1A standard secondary using up to 21mm diameter cables.



  • Din rail mounting clip supplied
  • Built in sealable terminal covers
  • Mounting feet supplied
  • Narrow width – 45mm

Technical Specifications

  • Conforms to IEC185, BS 7626, BSEN 60044-1, IEC 60044-1 and IEC 61869-2.
  • Rated system voltage 0.72/3kV.
  • Ambient temperature range -5°C to +50°C.
  • Continuous current 1.2 x rated current.


Class 3 Class 1 Class 0.5
VA 1 1.5 2.5 5 1 1.5 2.5 5 1 1.5 2.5 5
40A A1
50A B1 B2 B5
60A C1 C2 C5 C6
75A D1 D2 D3 D5 D6
80A E1E2 E3 E5 E6
100A F1 F2 F3 F5 F6 F7 F9 F10
120A G1 G2 G3 G5 G6 G7 G9 G10 G11
150A H1 H2 H3 H4 H5 H6 H7 H9 H10 H11
200A J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 J11
250A K1 K2 K3 K4 K5 K6 K7 K8 K9 K10 K11 K12
300A L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 L12

1A secondary available by request.
Order Example:A moulded case current transformer type 13, with 5A secondary and 200A primary 2.5VA class 1 is part number 13-5-J7