Transformers

Transformer Distribution Cubicles combining transformers rated at 2 kVA and 5 kVA with up to 10 no. double-pole outgoing MCBs.

Plug-in Site Distribution Assemblies, 400V and 110V, with controlled access to all connectors.

Reflex Assemblies are made to order. If you require a quotation, please click Quick Enquiry and either upload your specification and forward it to us or just forward your contact details and we will contact you by return to discuss your requirements.

Tunnel Power and Lighting assemblies ranging from 3300V to 110V, in accordance with BS6164.

Products include: Mains Distribution Assemblies with integral AMF changeover systems; transformers to step down from 3300V to 400V and 110V; Tunnel Distribution Assemblies to supply LV and RLV power; and 110V lighting systems with integral emergency back-up. Refer to our Tunnelling Equipment Product Data Sheet for further details.

Safe Supply Unit in floor standing console style enclosure, 3 or 5 kVA rating, 1.25mA or 5mA sensitivity, 3 no. outgoing DP MCBs.

There is a FAQ sheet about Safe Supply Units in the Technical Data Sheets section of Product Data.

Safe Supply Unit in wall mounting enclosure, 2 or 3 kVA rating, 1.25mA or 5mA sensitivity, option of 2 or 3 outgoing DP MCB ways

There is a FAQ sheet about Safe Supply Units in the Technical Data Sheets section of Product Data.

Safe Supply Units protect 230V sockets in school science laboratories.

SSUs provide the highest level of protection against electric shock and incorporate a 1:1 ratio transformer, 1.25mA or 5mA RCD protection and a current limiting resistor which restricts the maximum level of earth leakage to 10mA at all times.

Safe Supply Unit in floor standing enclosure, 5, 8 or 10 kVA rating, 1.25mA or 5mA sensitivity, option of 2, 3 or 4 outgoing DP MCB ways.

There is a FAQ sheet about Safe Supply Units in the Technical Data Sheets section of Product Data.

A range of double wound transformers from 100VA to 25kVA rating, single or three phase, designed mainly for installation in plant rooms, workshops, etc., available with a variety fitments such as MCBs, RCDs and socket outlets

Transformers rated at 2 kVA and 6 kVA and 6W, 9W and 12W Transformer Distribution Cubicles rated at 6 kVA approved for use in LUL Section 12 locations.

Standard Points Heating and Portable Tool Transformers to Network Rail Standard NR-L2-ELP-40045, in ratings of 5 and 10 kVA, with AC or DC outputs.

Standard Site Transformers providing a 110V RLV supply for power tools and temporary lighting. Ratings from 4 kVA to 20 kVA with single and three-phase options. Available with socket outlets and hard wired circuits (for lighting), MCB and MCB / RCD protected.

Blakley Electrics designs and manufactures a wide range of power transformers from 100VA to 250kVA rating, from 12V to 3300V.

Our transformers are generally double wound, enclosed in steel or insulated enclosures and equipped with switchgear and distribution equipment, as required. We are approved suppliers of transformers to organisations such as BAA, BNFL, London Underground and Network Rail and we also count many of the UK’s leading contractors and wholesalers as regular customers. We stock a wide range of standard transformers and are happy to design and build custom transformers to order.

Plug-in Site Distribution Assemblies, 400V and 110V, with controlled access to all connectors.

Reflex Assemblies are made to order. If you require a quotation, please click Quick Enquiry and either upload your specification and forward it to us or just forward your contact details and we will contact you by return to discuss your requirements.

Auto transformers designed to supply US appliances at 115V from a 230V supply, for use in hotels, homes and offices, made to order.

Please complete the detailed Enquiry Form, forward it to us and we will quote you as quickly as possible. Alternatively, click on Quick Enquiry, forward your details and we will contact you to discuss your requirements.  

Wall mounting transformers with a wide range of voltage ratios and ratings up to 2kVA, housed in steel enclosures fitted with sockets, MCBs, etc., made to order.

Please complete the detailed Enquiry Form, forward it to us and we will quote you as quickly as possible. Alternatively, click on Quick Enquiry, forward your details and we will contact you to discuss your requirements.  

Floor standing transformers with a wide range of voltage ratios and ratings up to 25kVA, housed in steel enclosures rated up to IP44, made to order.

Please complete the detailed Enquiry Form, forward it to us and we will quote you as quickly as possible. Alternatively, click on Quick Enquiry, forward your details and we will contact you to discuss your requirements.  

Open type transformers for panel mounting, etc., rated up to 25kVA, single or three phase, made to order.

Please complete the detailed Enquiry Form, forward it to us and we will quote you as quickly as possible. Alternatively, click on Quick Enquiry, forward your details and we will contact you to discuss your requirements.  

In addition to the standard models detailed on the website, non-standard models can be supplied.

If you require a quotation for a non-standard SSU, please click Quick Enquiry and either upload your specification and forward it to us or just forward your contact details and we will contact you by return to discuss your requirements.

There is a FAQ sheet about Safe Supply Units in the Technical Data Sheets section of Product Data.

Standard Power Clusters are available with incoming isolators rated at 63A or 125A and incorporate 400V, 230V and 110V socket outlets.