CT - 400 amp Metering Class Current Transformers

Delivery on CTs (Current Transformers) for Class 0.5 is 3 working days (to be discontinued) and for Class 0.5s lead time is 3 working weeks as we are awaiting stock for the month of April.

We always work to despatch orders sooner if we can.

Set of three 400:5 ratio metering class current transformers (CTs), rated 400 Amps to fit into the Ritherdon CT Chamber including individual test certificates.

The maximum cable diameter is 24mm2 and the maximum busbar size is 40mm x 10mm.

Available in two alternative metering classes:

0.5s

0.5 - to be discontinued.

The 0.5s class measures more accurately between 1% and 100% of the rated power, whereas the 0.5 class measures accurately between 5% and 100% of the rated power.

Please check with your installer, DNO and/or the meter operator to make sure you are choosing the right class of current transformer. 

Product Description

Current transformers are vital components in electrical systems, designed to measure and monitor electrical currents. They play a crucial role in protecting equipment, ensuring safety, and enabling efficient energy management.

Our Moulded Case Current Transformers are designed with a protective housing, which provides insulation and safeguards against external environmental factors. They are compact and provide excellent mechanical protection.

We offer 600/5, 400/5 and 200/5 with two alternative classes which are 0.5 and 0.5s. The 0.5 class measures accurately between 5% and 100% of the rated power, whereas the 0.5s class measures more accurately between 1% and 100% of the rated power.

The maximum cable diameter is 24mm² and the maximum busbar size is 40mm x 10mm.