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Discussion History

Metal-Oxide Arrester

Assembly

Stack of zinc-oxide varistor blocks in a polymer or porcelain housing diverting surge energy to earth. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Metal-Oxide Arrester parts and their functions

3 top-level parts · 26 parts in total · full bill of materials below
Metal-Oxide Arrester parts diagram: 1 zinc-oxide varistor block, 2 silicone polymer housing, 3 corona grading ring. 26 parts in 3 top-level items.
Metal-Oxide Arrester parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Zinc-Oxide Varistor Block 24× Sintered ZnO disc with a highly nonlinear voltage-current curve clamping overvoltage.
2 Silicone Polymer Housing 1× Hydrophobic silicone shed housing enclosing the varistor column.
3 Corona Grading Ring 1× Toroidal ring equalizing the field along the arrester to suppress corona.

3D model

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Build & assembly graph

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Bill of materials for Metal-Oxide Arrester

3 top-level lines · 3 rows shown · 26 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Zinc-Oxide Varistor Block ais-zno-block 24× 24 · part
2 Silicone Polymer Housing ais-polymer-housing 1× 1 · part
3 Corona Grading Ring ais-grading-ring 1× 1 · part

Where the metal-oxide arrester is used

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

Used in 1 assembly

Substation Surge Arrester Set

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