Core Balance CTs
Description
A range of moulded case core balance current transformers available with various internal diameters, also referred to as zero phase CTs. The products are compact in design and supplied complete with inbuilt mounting feet.
Application
Specifically designed for use with the HOBUT range of Earth Leakage Relays. Specification of tripping current is not required as this is set automatically by the relay.
Technical Specification
Part number - Internal Diameter
CTB 35 - 35mm
CTB 70 - 70mm
CTB 120 - 120mm
CTB 210 - 210mm
CTBR 470 - 470 x 160mm
CTB 35 - 35mm
CTB 70 - 70mm
CTB 120 - 120mm
CTB 210 - 210mm
CTBR 470 - 470 x 160mm
Range & Dimensions
- Conforms to IEC44-1, IEC185 & BS7676
- Rated System Voltage: 720V AC
- Insulation level: 3kV AC
- Frequency Range 50-60Hz
- Terminals: combination screws, wire protected
- Terminal Conducter £ 2.5mm²