Instrument Transformer Set

Assembly

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Current and voltage transformers scaling line quantities to standard 1 A and 110 V signals for metering and protection.

Direct parts	3
Total parts	22
Used in	2 assemblies
Class	Assembly
Status	unverified

Current and voltage transformers scaling line quantities to standard 1 A and 110 V signals for metering and protection. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Instrument Transformer Set parts and their functions

3 top-level parts · 22 parts in total · full bill of materials below

Instrument Transformer Set parts diagram: 1 current transformer, 2 voltage transformer, 3 secondary junction box. 22 parts in 3 top-level items. — Instrument Transformer Set parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Current Transformer 4 parts	3×	One CT per phase
2	Voltage Transformer 3 parts	3×	Inductive or capacitive VT
3	Secondary Junction Box	1×	Marshalling and wiring box

3D model

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Build & assembly graph

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Bill of materials for Instrument Transformer Set

3 top-level lines · 10 rows shown · 22 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Current Transformer 4 parts	ais-current-transformer	3×	3	4	assembly
1.1	CT Toroidal Core	ais-ct-core	1×	3	·	part
1.2	Copper Winding	copper-winding	1×	3	·	part
1.3	Porcelain Housing	ais-porcelain-housing	1×	3	·	part
1.4	Oil Seal	oil-seal	1×	3	·	part
2	Voltage Transformer 3 parts	ais-voltage-transformer	3×	3	3	assembly
2.1	Capacitor Voltage Divider Stack	ais-cap-stack	1×	3	·	part
2.2	Copper Winding	copper-winding	1×	3	·	part
2.3	Porcelain Housing	ais-porcelain-housing	1×	3	·	part
3	Secondary Junction Box	ais-secondary-junction-box	1×	1	·	part

Where the instrument transformer set is used

2 products across 1 domain contain it, directly or inside a sub-assembly

Power & Energy 2 Air-Insulated Substation Bay, HVDC Converter Station

Used in 2 assemblies

Air-Insulated Substation Bay AC Switchyard

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks