Products

The Tooling Library

Moulds ready to cast today

Our moulds and tools currently cover the components below up to 48 kV - and they are not limited to these: custom orders are easily integrated, with new moulds developed in the in-house tool room.

LV Monoblock, 1.1 kV / 500-4000 A, per BS 2562
Bushings, standard and custom, up to 48 kV
Single-pole bushings, 1000 A to 5000 A
Wall-through bushings, fuse holders & covers
Plug-in and retrofit bushings
Bushings with current, voltage & thermal sensors
Smart sensor bushings
Data-centre bushings
SF6 application & isolation components

Pole housings for switchgear
Insulators for busbar & panel support
Piston-type insulators for load break switches
Capacitive insulators
Composite insulators
Silicone rubber components (HTV / LSR)
Instrument transformers: LT CTs, MV CTs, MV VTs
Machined copper & aluminium

UP TO 48 KV AIS · GIS CUSTOM ORDERS WELCOME

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Reference

The full range at a glance

Product line	Typical application	Ratings / notes
LV Monoblock	Distribution transformers	1.1 kV · 500-4000 A · BS 2562
Terminal boards	Distribution transformers	With fitted busbars & inserts
Bushings, standard & custom	Transformers, MV switchgear	Up to 48 kV
Single-pole bushings	High-current connections	1000 - 5000 A
Wall-through bushings, fuse holders & covers	Panels, enclosures	Up to 48 kV
Plug-in & retrofit bushings	Cable systems, upgrades	Interface per customer spec
Smart sensor bushings	Digital switchgear	Current, voltage & thermal sensing
Data-centre bushings	Data-centre switchgear	New programme
Spouts	AIS MV switchgear	OEM qualified, multiple revisions
Support & busbar insulators	Busbar and panel support	Epoxy & silicone
Piston insulators	Load break switches, RMUs	Piston type
Separating barriers & pole housings	Compact switchgear	Phase separation
SF6 application & isolation components	GIS switchgear	Gas-tight, helium leak tested
Capacitive insulators	Voltage presence indication	Per customer spec
Composite insulators	Outdoor lines & substations	Silicone housing, resin core
Silicone components	Outdoor insulation	HTV & LSR, since 2016
Instrument transformers	Metering & protection	LT CTs · MV CTs · MV VTs
Special RMU components	Ring main units	Built to drawing
Machined copper & aluminium	Conductors, inserts, contacts	CNC · VMC · EDM in-house

Voltage class	up to 48 kV
Process	APG, vacuum cast epoxy
Conductors	Cu / Al, machined in-house
Design	Standard or to customer drawing

Voltage class	up to 48 kV
Includes	Fuse holders, covers, hardware

Interface	Per customer specification
Programs	New build and retrofit

Sensing	Current, voltage, thermal
Integration	Cast into the insulation
Collaboration	Greenwood Power (GWP)

Status	New program
Duty	Continuous, mission-critical

The catalogue

Moulds ready to cast today

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The full range at a glance

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Current	1,000 - 5,000 A
Voltage class	up to 48 kV
Conductor	Machined copper

Material	HTV silicone rubber
Environment	Outdoor, coastal, polluted

Application	AIS circuit breakers
Revisions	Multiple, OEM qualified

Rated voltage	1.1 kV
Current range	500 - 4,000 A
Standard	BS 2562
Type testing	ASTA, 2017 & 2018

Materials	HTV and LSR silicone
Composite	Silicone over resin core
In production	Since 2016

Type	Piston
Tolerance	Precision, dimensionally checked

Tightness	Helium leak tested
Platforms	GIS, SF6 and SF6-free

Supply	Fully assembled
Checks	Dimensional + torque

Ratio	Single and dual
Testing	CT-VT analyzer, auto test bench