Auto-Reclosers; up to 27kV 12kA 400A using vacuum circuit breakers to IEC and ANSI specifications.

Auto-Reclosers; up to 38kV 16kA 400A using SF6 rotating arc circuit breakers to IEC and ANSI specifications.

Sectionalisers; up to 27kV 6kA 700A using SF6 rotating arc switch to ANSI specification.

Fixed air insulated vacuum circuit breakers up to 36kV 25kA 2000A.

Fixed vacuum circuit breakers in SF6 with series off load bus-bar selector up to 24kV 25kA 3150A and 36kV 20kA 2000A.

Re-design of SF6 circuit breaker switchgear to use vacuum in SF6 circuit breakers up to 36kV 20kA 1250A.

Horizontal isolation vacuum circuit breakers; 7.2kV up to 50kA 2000A, 17.5kV up to 80kA 4000A, 24kV up to 25kA 2000A and 38kV up to 40kA 2000A.

Indoor air insulated housings; up to 36kV, for horizontal isolation circuit breakers, single and double bus-bars, with full internal arc compliance to IEC 60298 App AA accessibility type A for ratings up to 50kA for 1 second.

Indoor SF6 insulated housings; up to 36kV for fixed circuit breakers incorporating off-load isolators, plug in cable terminations and bus-bar connection, with full internal arc compliance to IEC 60298 App AA accessibility type A for ratings up to 31.5kA for 0.1 second.

Fixed pattern switchgear up to 12kV 31.5kA 2500A with full internal arc compliance to IEC 60298 App AA accessibility type A for ratings up to 31.5kA for 1 second.
Vacuum motor control gear; up to 7.2kV 50kA 400A in slim-line configuration, with full internal arc compliance to IEC 60298 App AA Accessibility Type A for ratings up to 50kA for 0.1 second.

Magnetic actuator driven withdrawable vacuum circuit breakers for ratings up to 12kV 31.5kA 2000A and fixed vacuum circuit breakers up to 38kV 25kA 2000A.

Mechanisms for MV vacuum circuit breakers; fuse switches, load break switches and earthing switches.

Ring Main Units using vacuum circuit breakers in SF6, SF6 rotating arc circuit breakers and Oil or SF6 insulated fuse switches for transformer circuits. Fuse mounting configurations for Oil or Air insulated systems. Ring switches of plain break in Oil or SF6 and SF6 puffer type. Configurations for free standing, extensible, transformer mounted and individual switch elements with bus-bar interconnections. Ratings up to 12kV 25kA and 24kV 20kA 630A;

Remote operation devices for Ring Main Unit ring switches using proprietary actuators and motor driven systems.

Retrofit vacuum circuit breakers into ACB withdrawable carriage for 11kV 50kA 2000A.

Retrofit vacuum circuit breakers for vertical isolation bulk oil circuit breakers.
Pole mounted sectionalising switches up to 27kV 400A using vacuum switches in SF6,
Plug together, solid insulation vacuum circuit breakers with touch proof outer surfaces and magnetic actuation up to 38kV 31.5kA 2000A.

Vacuum circuit breaker test rigs to evaluate performance of circuit breaker mechanisms, transfer contacts and drive.

Outdoor circuit breakers up to 36kV 25kA 2000A

Test rigs for routine and type testing of vacuum interrupters allowing changes in parameters of phase centres, pole centres, stroke, added load, speeds etc.

Special circuit elements i.e., air and SF6 insulated selectors, fuse switches, earth switches, cast resin insulated components etc.

Portable operating devices to allow obsolete dependent manual operation switchgear to be remotely operated.

Withdrawable circuit breaker racking and locking systems for Naval application MV systems up to 50kA 4000A 6.6kV. Equipment successfully designed to meet shock test criteria up to 70g.

Vertical isolation vacuum circuit breakers up to 1250A, 26.4kA 12kV.

Indoor switchgear panels up to 38kV, with horizontal and vertical isolation, single and double bus-bars, single and double tier. Specific designs to meet internal arcing test requirements to IEC and ANSI.

Minimum volume, air insulated vacuum circuit breakers for 15kV 1250A 25kA, using LV air circuit breaker mechanism and front mouldings. Designed for use in both fixed and draw-out formats, including supports, shutters, spout insulation interlocks etc.