Ring-Type Protection
We design and manufacture protection ring-type current transformers to meet the specific requirements of our customers. Example sectors include leading switchgear manufacturers and utility companies throughout the world.
We design and manufacture to cover current British, EU and Worldwide standards and can also meet specific customer specifications upon request. Other International standards can be supplied to, contact us stating your required standard and we will be pleased to supply a quotation.
We carry a large range of materials that allows us to provide quick deliveries, and also hold a standard range of current transformers (see below) in stock ready for despatch allowing us to respond quickly to your requirement.
Available Extras
Please specify when ordering.- Terminal cover
- Flying leads
- M6 Terminal Screws
- High Voltage Insulation Tube
- Mounting Feet
- Busbar Mounting Bracket
For quick delivery, material for the following ranges are always in stock:
| Range | Min I/D (mm) | Min O/D (mm) | Ratios | VA | Class |
|---|---|---|---|---|---|
| M1 | 26 | 82 | 75/5 - 250/5 | 2.5 - 10.0 | 5P5,5P10,10P10 |
| M2 | 43 | 104 | 150/5 - 800/5 | 5.0 - 15.0 | 5P5,5P10,10P10 |
| M3 | 58 | 119 | 300/5 - 1500/5 | 5.0 - 15.0 | 5P5,5P10,10P10 |
| M4 | 76 | 123 | 500/5 - 2000/5 | 5.0 -15.0 | 5P5,5P10,10P10 |
| M5 | 110 | 170 | 800/5 - 3000/5 | 5.0 - 15.0 | 5P5,5P10,10P10 |
| M6 | 131 | 189 | 1000/5 - 4000/5 | 5.0 - 15.0 | 5P5,5P10,10P10 |
Note: If your required CT is not listed, we may still be able to meet your demands. Please contact us using the enquiry form here with your specific requirements and we'll investigate.