BOMwiki the bill-of-materials encyclopedia
30,441,948 parts mapped · 192,925 items

This page is machine-generated and unverified (what this means). Treat details as provisional. If you know this hardware, weigh in or correct it directly with Edit.

Discussion History

Off-Circuit Tap Changer

Assembly

De-energised tap changer (DETC) for seasonal ratio adjustment without on-load switching. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Off-Circuit Tap Changer parts and their functions

4 top-level parts · 4 parts in total · full bill of materials below
Off-Circuit Tap Changer parts diagram: 1 DETC selector contacts, 2 DETC operating shaft, 3 DETC handwheel, 4 DETC position plate. 4 parts in 4 top-level items.
Off-Circuit Tap Changer parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 DETC Selector Contacts 1× Rotary tap selector contacts
2 DETC Operating Shaft 1× Operating shaft to the external handwheel
3 DETC Handwheel 1× Padlockable external handwheel
4 DETC Position Plate 1× Engraved tap position indicator

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Off-Circuit Tap Changer

4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 DETC Selector Contacts generator-step-up-transformer-detc-selector 1× 1 · part
2 DETC Operating Shaft generator-step-up-transformer-detc-shaft 1× 1 · part
3 DETC Handwheel generator-step-up-transformer-detc-handwheel 1× 1 · part
4 DETC Position Plate generator-step-up-transformer-detc-position-plate 1× 1 · part

Where the off-circuit tap changer is used

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

Used in 1 assembly

Generator Step-Up Transformer

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
VendorHQSpecialtyMOQLead 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