Ritherdon Online Shop Product Blog — CT Chamber

Why should I opt for a Ritherdon CT Chamber?

CT Chamber FAQ

Why should I opt for a Ritherdon CT Chamber?

The benefits of working with a safe unit but also an easy to fit CT Chamber: There is no need to isolate the complete Ritherdon CT Chamber. Work can be done on a single phase safely.  See the video demonstration:     Additional benefits of the Ritherdon CT Chamber:  Easy to use clamps and shear off bolts avoid the need to lug cables thus eliminating the need for lugging tools. Easy to fit CTs - you can clip the CTs onto the DIN Rail above the individual phases. Pre-wired meter installation ready for connecting the meter without any work on site. ...

Read more →


What does a CT chamber include?

CT Chamber

What does a CT chamber include?

A Ritherdon CT Chamber is made up of the following elements:   GRP Enclosure with two locks  Metal Backboard WAGO Terminal Block - Pre-wired DIN Rail 3 phases and neutral Individual Plastic Covers for 3 phases and neutral Clamps with Shear off Bolts (8 for each phase and neutral)   Does not include CTs - However we are able to supply two types of CTs 200 Amp 400 Amp CTs supplied by Ritherdon include individual testing certificates.     

Read more →


Does a CT Chamber come with CTs?

CT Chamber

Does a CT Chamber come with CTs?

The CT Chamber does not include CTs.  We supply 200 Amp and 400 Amp Moulded Case CTs that easily clip onto the DIN Rail in the Ritherdon CT Chamber. Supplied with individual test certificates for each CT. Available from our online shop.  Set of three 200:5 class 0.5 metering class current transformers Set of three 400:5 class 0.5 metering class current transformers   

Read more →


What are the dimensions of a Ritherdon CT Chamber?

CT Chamber

What are the dimensions of a Ritherdon CT Chamber?

Ritherdon manufacture and supply the Ritherdon CT Chamber. A CT Chamber is the enclosure where CTs or Current Transformers are housed, these are used for CT metering of an electrical connection. The Ritherdon CT Chamber made to UKPN specification is housed in a lockable, sturdy GRP enclosure.   Dimensions of the GRP Enclosure: Height 745mm x Width 535mm x Depth 300mm The CT Chamber is a wall mounted unit and the recommended installation clearance is as the diagram below:  Installation clearance:  Minimum working space of a 1000mm all around and a maximum height of 1055mm from the floor is recommended....

Read more →


What is a CT Chamber?

CT Chamber CTs

What is a CT Chamber?

A CT Chamber houses current transformers for low voltage metering applications.  They are required to transform high voltage to low voltage for your multi-occupancy residential or commercial property. When the supply to a site needs to be greater than 100 A (~70 kVA at 415 V) then the electricity meter works with current transformers (CTs) housed within their own enclosure – the CT chamber.  The power cables come onto the site, via a cut-out unit, into the CT Chamber and the Meter Operator typically mounts their meter on the CT chamber. The Ritherdon CT Chamber: The Ritherdon CT Chamber is an insulated enclosure made to mount the...

Read more →