Substations and switchgear
Packaged and mobile substations, medium-voltage switchgear and ring main units, low-voltage boards, control and protection panels, and power-factor correction.
Substations and switchgear we supply
Each assembly is configured to your single-line diagram, ratings and site.
- 01
Steel kiosk substations
Factory-assembled housings holding the transformer, MV switchgear, LV board and auxiliaries, ready to connect on arrival.
- Enclosure
- Powder-coated sheet steel
- Cable entry
- Top · Side · Bottom
- Mounting
- Relocatable
- 02
Concrete kiosk substations
Monoblock or prefabricated concrete housings for urban, industrial and renewable networks.
- Forms
- Monoblock · Prefabricated
- Lengths
- 2.48 – 7.5 m
- Transport
- No special permit
- 03
Mobile substations
Trailer-mounted substations for planned outages, emergencies, temporary capacity and generation connections.
- Voltage
- ≤ 420 kV
- Configurations
- HV–HV · HV–MV · MV–MV · MV–LV
- Mounting
- Trailer or semi-trailer
- 04
Metal-clad MV switchgear
Compartmented panels with SF6 or vacuum circuit breakers, able to line up beside existing panels.
- Standard
- IEC 62271-200
- Circuit breaker
- SF6 · Vacuum
- Options
- Surge arresters · Current transformers · Voltage transformers · Capacitors · Contactor
- 05
Air-insulated modular switchgear
Metal-enclosed modular panels operated from the front, for distribution and industrial substations.
- Standard
- IEC 62271-200
- Functions
- Load-break switch · Disconnector · Fuse · Circuit breaker · Contactor
- 06
Ring main units
SF6-insulated units for secondary substations, underground networks, wind farms and tight sites.
- Voltage
- ≤ 24 kV
- Standard
- IEC 62271
- Functions
- Disconnector · Load-break switch · Circuit breaker
- Forms
- Compact · Extensible · Modular
- 07
LV switchboards and motor control centres
Distribution, withdrawable and motor-control boards for indoor or outdoor duty.
- Rated current
- ≤ 6,400 A
- Short-circuit rating
- ≤ 65 kA
- Forms of separation
- Form 1 – 4b
- Installation
- Indoor · Outdoor
Types
- Modular
- Withdrawable
- Field distribution
- Synchronisation
- 08
Control, protection and SCADA panels
Panels for MV, HV and EHV substations, from protection and automation to metering and auxiliary supplies.
Types
- Control and protection
- SCADA and automation
- Marshalling boxes
- Synchronisation and transfer
- Metering
- Auxiliary supplies
Full specification on request.
- 09
Power-factor correction
Capacitor banks and dynamic compensation for HV, MV and LV networks.
- Functions
- Capacitor banks · SVC · STATCOM · TSC · TSR
- Mounting
- Fixed or mobile
- 10
Railway and line equipment
Single-phase overhead switching for electrified railways, and silicone insulators for lines and substations.
Types
- Vacuum load-break switches
- Disconnectors, with or without earthing
- Motor operating mechanisms
- Silicone insulators
Full specification on request.
From order to energisation
We supply the equipment and can take it all the way into service.
- 01
Specification support
We help define the single-line diagram, ratings, protection and housing against your network and the tender documents.
- 02
Delivery to site
Transport, temporary import and customs planned through to your site, the way we plan our own mobilisations.
- 03
Installation and commissioning
Our programme teams can install, test and energise the equipment, with the records a utility or lender asks for.
Installation and commissioning - 04
Substation services
Protection testing, primary equipment work and maintenance once the substation is running.
Substation and network services
Other product lines
- 01
New transformers
Distribution transformers to 5 MVA, medium-power and power transformers to 500 MVA, and special-purpose units built to your duty.
/products/transformers
- 02
Generator sets
Diesel and gas generator sets from 9 kVA to 4.5 MVA, hybrid and battery systems, with maintenance and service.
/products/generators
- 03
Inventory
Transformers available now. Filter by make, rating, voltage, year and location.
/inventory
- 04
Test equipment
Diagnostic and test instruments for transformers, switchgear and protection systems.
/products/test-equipment
- 05
Oil treatment plant
Vacuum purification, dehydration, degassing and regeneration units for on-site oil processing.
/products/oil-treatment-plant
- 06
Spare parts
Bushings, gaskets, radiators, breathers and tap changer parts, sourced and shipped to remote sites.
/products/spare-parts
Ask about supply
Tell us the equipment, the destination and the timeline. Shipping, temporary import and customs are the parts we plan first, and they usually determine the date more than availability does.