Toroidal Ring Type CTs

Measuring, Protective & Class X current transformers available as resin coated or tape wrapped. Primary ranges from 1A-5000A with 1A or 5A secondary. Available with various internal diameters:

Technical Specifications

Moulded Case CTs

Series 13

Low cost moulded case current transformer  with primary currents from 40A to 300A. Suitable for cables up to 20mm diameter. Available January 2007: Technical Specifications

Series 14

 Compact narrow  width Moulded Case current transformers with primary ranges from 25A - 500A and 5A or 1A secondary. Suitable for 20mm or 30mm busbars or cables:  Technical Specifications.

Series 15

Moulded case current transformers with primary ranges from 1A - 500A and 1A  or 5A secondary. Suitable for 20mm or 30mm busbars or cables up to 26mm diameter: Technical Specifications

Series 16

Compact narrow  width Moulded Case current transformers with primary ranges from 30A - 800A and 5A or 1A secondary. Suitable for 20/30/40mm busbars or cables: Technical Specifications.

Series 17

Moulded case current transformers with primary ranges from 1A-1200A and 1A or 5A secondary. Suitable for 30mm or 40mm busbars or cables up to 35mm diameter: Technical Specifications

Series 19

Moulded case current transformers with primary ranges from 400A-2000A and 1A or 5A secondary. Suitable for 50mm or 60mm busbars or cables up to 50mm diameter :Technical Specifications

Series 21

Moulded case current transformers with primary ranges from 400A to 5000A and 1A or 5A secondary. Suitable for 80mm or 100mm busbars or cables up to 75mm diameter : Technical Specifications

Resin Cast Rectangular CTs

Encapsulated current transformers resin cast style in any busbar size from 60 - 5000A including Class X & Protective types: Technical Specifications

Split Core CTs

Series 80

Moulded case rectangular split core current transformers with primary ranges 100A-5000A and 1A or 5A secondary. Suitable for various busbar or cable sizes: Technical Specifications

Clip-Together Range

Moulded case split core current transformers with unique fast clip-together action suitable for primary ranges 100-800A and 5A secondary. Suitable for cables up to 40mm diameter :

Technical Specifications

Ring Type

Ring type split core current transformers with primary ranges 100-3000A and 5A secondary. Suitable for various cable sizes: Technical Specifications

Encapsulated Multi-Ratio

Two split core, resin encapsulated current transformers featuring four or five built-in current ratios in one product. Suitable for use up to 1000A using cable primaries: Technical Specifications

3 Phase CTs

Series 35

Low cost moulded case product offering 3 current transformers in one moulded case. Suitable for primary current from 40A to 800A using cable primaries: Technical Specifications

Miniature Three Phase Cts

Resin cast miniature three phase current transformers with inbuilt mounting foot for primary ranges from 100A to 250A with 5A secondary: Technical Specifications

Core Balance CTs

A range of moulded case core balance current transformers with 35mm, 70mm, 120mm, 210mm internal sizes also referred to as zero balance current transformers for operating Earth Leakage Relays. :Technical Specifications