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Discussion History

HV Junction Box

Assembly

Central high-voltage distribution box with the main fuse, manual service disconnect and current sensing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

HV Junction Box parts and their functions

5 top-level parts · 9 parts in total · full bill of materials below
HV Junction Box parts diagram: 1 main HV fuse, 2 manual service disconnect, 3 HV contactor, 4 pack current sensor, 5 HV distribution busbar. 9 parts in 5 top-level items.
HV Junction Box parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Main HV Fuse 1× Main pack-string fuse
2 Manual Service Disconnect 1× Manual service disconnect plug
3 HV Contactor 2× Main isolation contactors
4 Pack Current Sensor 1× String current sensor
5 HV Distribution Busbar 4× Distribution busbars

3D model

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Build & assembly graph

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Bill of materials for HV Junction Box

5 top-level lines · 5 rows shown · 9 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Main HV Fuse electric-bus-main-fuse 1× 1 · part
2 Manual Service Disconnect electric-bus-service-disconnect 1× 1 · part
3 HV Contactor electric-bus-pack-contactor 2× 2 · part
4 Pack Current Sensor electric-bus-current-shunt 1× 1 · part
5 HV Distribution Busbar electric-bus-hv-busbar 4× 4 · part

Where the HV junction box is used

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

Used in 1 assembly

Traction Battery System

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