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Current Transformers

Current transformers make it possible to measure high current values and indicate these using instruments of a much lower rating. Owing to high costs in cable we recommend the use of a CT for the current measurement above 40A (unless otherwise specified).

When choosing a current transformer it is important to not only check the dimensions are suitable but also to check the accuracy class and burden required. You wll need to also consider the run of cable between the instrument and CT, size of the cable and the burden required which the instrument will consume. We have an extensive range and can accomadate most applications.

 

Model: MB5Z
Product Features:35mm² Aperture104mm x 35mm Busbar Aperture1600-3000A Primary CurrentSecondary M4 Screw TerminalsAccuracy Class 0.5, 1 or 3Busbar or DIN Rail MountedThe MB5Z Range of Solid Core Current Transformers from Crompton Instruments work in conjunction with any 5A CT Operated Electricity Met..
£27.60
Model: CT335
The CT335 is a new design moulded case three phase current transformer.They offer easy installation and cost saving compared to single phase current transformers. They come complete with  hinged terminal covers and built in foot mounting bracket. 3 x apertures at 21x25mm Primary cu..
£25.40
Model: MC5T
Product Features:160mm x 50mm Busbar Aperture2500-6000A Primary CurrentSecondary M4 Screw TerminalsAccuracy Class 0.5, 1 or 3Busbar or DIN Rail MountedThe MC5T Range of Solid Core Current Transformers from Crompton Instruments work in conjunction with any 5A CT Operated Electricity Meters. You can u..
£52.40
Model: CT345
The CT345 is a new design moulded case three phase current transformer.They offer easy installation and cost saving compared to single phase current transformers. They come complete with  hinged terminal covers and built in foot mounting bracket. 3 x apertures at 31x31mm Primary cu..
£28.60
Model: MD5T
Product Features:160mm x 50mm Busbar Aperture4000-6000A Primary CurrentSecondary M4 Screw TerminalsAccuracy Class 0.5, 1 or 3Busbar or DIN Rail MountedThe MD5T Range of Solid Core Current Transformers from Crompton Instruments work in conjunction with any 5A CT Operated Electricity Meters. You can u..
£52.40
Model: MSC2
Product Features: | Split Core | Safety Shorting Fuse | 18mm² Aperture | 100-250A Primary Current | 1m Fly Lead (2.5mm Wire) | Accuracy Class 1 | DIN Rail Mounted & Cable ClampsThe MSC2 Range of Split Core Current Transformers..
£28.00
Model: MSC3
Product Features: | Split Core | Safety Shorting Fuse | 28mm² Aperture | 300-500A Primary Current | 1m Fly Lead (2.5mm Wire) | Accuracy Class 1 | DIN Rail Mounted & Cable ClampsThe MSC3 Range of Split Core Current Transformers..
£32.00
Model: M3N1-25
Product Features:14.5mm x 24.5mm Aperture60-160A Primary CurrentSecondary M4 Screw TerminalsAccuracy Class 0.5, 1 or 3Busbar or DIN Rail MountedThe M3N1 Range of 3-in-1 Current Transformers from Crompton Instruments combine three traditional Current Transformers into one moulded case. These can be d..
£28.60
Model: M3N1-35
Product Features:35mm Centres20.5mm x 24.5mm Aperture100-250A Primary CurrentSecondary M4 Screw TerminalsAccuracy Class 0.5, 1 or 3Busbar or DIN Rail MountedThe M3N1 Range of 3-in-1 Current Transformers from Crompton Instruments combine three traditional Current Transformers into one moulded case. T..
£25.40
Model: M3N1-45
Product Features:30.5mm x 30.5mm Aperture250-600A Primary CurrentSecondary M4 Screw TerminalsAccuracy Class 0.5, 1 or 3Busbar or DIN Rail MountedThe M3N1 Range of 3-in-1 Current Transformers from Crompton Instruments combine three traditional Current Transformers into one moulded case. These can be ..
£28.60
Model: SCTK35
The SCTK35 is a split core current transformer made to the highest quality, it has a 35mm diameter aperture and suitable for retro-fit applications. Availible primary ratios:100,150,200,250,300,400,500 and 600A Internal diameter aperture 35mm 5A secondary Accuracy 0.5,1 and 3 depending o..
£28.00
Model: T24
The T24 is a split core current transformer made to the highest quality, it has a 24mm diameter aperture and suitable for retro-fit applications. Availible primary ratios: 100, 150, 200 and 300A Internal diameter aperture 24mm 5A secondary Accuracy 0.5,1 and 3 depending on the load..
£28.00
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