Jocastro is associated with two major companies in the electrical industry; Hawker Siddeley Switchgear Ltd and Tianan.

Today, Hawker Siddeley Switchgear Ltd incorporates the following brands:

Hawker Siddeley Switchgear Ltd

in 1991, South Wales Switchgear merged with Brush Switchgear to form Hawker Siddeley Switchgear Ltd. Hawker Siddeley Switchgear Ltd was then acquired by FKI plc in November 1996.

The decision was taken to relocate the company to the present Blackwood site and create a Centre of Excellence for the manufacture of MV Distribution Switchgear.

In 2008 Melrose Plc acquired FKI Switchgear where it returned to its former brand of Hawker Siddeley!


South Wales Switchgear

Formed in 1941 in Treforest, South Wales, South Wales Switchgear led the way in exploiting SF gas as a medium of interruption and insulation. Traditionally, South Wales Switchgear were involved in the design and manufacture of 11 kV - 33kV switchgear and DC type switchgear for naval project.


Brush Switchgear

Charles Frances Brush established the Brush Electrical Engineering Company in 1888 and were the pioneers behind the development of Vacuum Switchgear. In the last 20 years, successes have included the first Vacuum Switchgear Circuit Breaker (FV and OFV) in Europe and India, and the world's first Ring Main Unit (Falcon Beta).


Hawker Siddeley Pty Australia (HSSA)

Hawker Siddeley Switchgear Pty Australia is a wholly owned subsidiary of Hawker Siddeley Switchgear Ltd. It has been in operation in Australia since 964, HSSA has developed extensive experience in the field of medium voltage switchgear with their manufacturing facility based at Narangba, Brisbane.


Whipp & Bourne

Established in 1903.Whipp & Bourne has long been a leader in heavy-duty electrical switchgear, introducing arc and oil circuit breakers in 1908 and 1909 respectively. In 1975 the company launched its vacuum switchgear and was acquired by Babcock International Limited. In 1987, Whipp & Bourne became part of FKI plc then merged with Hawker Siddeley in 1996. 


Tianan Electric

The key R&D and manufacture center of the power transmission equipment in China
National large enterprise, the leading enterprise of high & new technology industry.
Ningbo Tianan (Group) Co., Ltd is a famous leading enterprise of the power transmission equipment manufacturing in China. It was founded in 1969, currently under the group, we have 2 provincial-level R&D center、10 professional companies、70 sales offices, and its total asset is 3.5 billion, over 3500 employees, one of the most influential leading enterprise.

As an outstanding representative of Chinese-made,our enterprise is in the steady development and growth in the tide of reform and opening up. In 1976,our mode of production transforms from Labour products processing to the manufacturing process;In1982,the Xiangshan local state-owned high-voltage electric factory was founded,we start the professional development of electrical products ;1994,we reorganize and established joint-stock company, enngraver to be an international group ; 2005, our group listed on the regional title, the group ranked the No. 225 in competitiveness of China's top 500; In 2011, according to "125" national development,we plan to expand toward five major industrial, such as the high pressure appliances, renewable energy equipment, intelligent grid equipment , rail transit appliance and magnetic gear,and achieve the business objectives of $ 7 billion production value In the next three ro five years.

Over these years, our company adhere to independent innovation, and to build low-carbon economic development model.Annual R & D expenses accounted for more than 5% of corporate sales.We have mastered the core technology of transformation and distribution equipment and core self-supporting ability long since.Our self-developed prefabricated substation, ring main unit, load switch, wind power switchgear, intelligent grid systems and many other products achieved the international advanced level,and we are one of the national variable distribution national standards drafting unit.

China famous brand、China top brand、National inspection-free products and ISO9001 quality system、ISO14001 environmental management system、OHSAS18001 occupational health and safety management system、the system of inspection measurement and test and “CCC”、”PCCC”.  Business efficient and flexible management mechanism, large number of outstanding professionals, first-class production and testing equipment, high starting point of research and development strategy, “ Quality is the character” concept, perfect quality management system and quality assurance, sales and marketing network all over the country, form to provide customers with excellent support system of resources.

Whether in the Shenzhou spacecraft launch base、the Sanxia power plant、Qinghai-Tibet railway、Qingshan nuclear power station, or domestic subway、Olympic venues。International airport、wind farms……and our products used in more than 30 countries and regions all over the world. Our main products include 126KV SF6 circuit breaker、GIS combined apparatus、126kv、252kv power transformer; 252KV and below outdoor HV disconnector、transformer、box type substation below 40.5kV、Ring Main Unit、Mid-type switchgear、fixed type switchgear、gas insulated type switchgear、LV switchgear、HV frequency-changer、HV load switch、HV & LV circuit breaker、cable branch box、fuse、current transformer、voltage transformer、 intelligent apparatus and dry type & oil type transformer, etc.

 Tianan Logo


 FKI Switchgear Logo
FKI Switchgear


 Hawker Siddeley Switchgear Logo
Hawker Siddeley Switchgear

For Sales and Enquires Click Here or call (011) 894 2123