Operating Mechanism

Assembly

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Stored-energy spring drive that closes and opens all three poles within a few milliseconds and re-charges automatically.

Direct parts	9
Total parts	13
Used in	1 assembly
Class	Assembly

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Stored-energy spring drive that closes and opens all three poles within a few milliseconds and re-charges automatically. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Operating Mechanism parts and their functions

9 top-level parts · 13 parts in total · full bill of materials below

Operating Mechanism parts diagram: 1 closing spring, 2 opening spring, 3 spring charging motor, 4 trip coil, 5 closing coil, 6 operating cam shaft, 7 hydraulic damper, 8 auxiliary switch, 9 helical gear pair. 13 parts in 9 top-level items. — Operating Mechanism 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	Closing Spring	1×	Charged closing spring
2	Opening Spring	3×	Per-pole opening springs
3	Spring Charging Motor	1×	Spring re-charge motor
4	Trip Coil	2×	Primary and backup trip coils
5	Closing Coil	1×	Closing release coil
6	Operating Cam Shaft	1×	Operating cam and linkage
7	Hydraulic Damper	2×	End-of-travel oil dampers
8	Auxiliary Switch	1×	Position signalling switch
9	Helical Gear Pair	1×	Charging gear train

3D model

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Build & assembly graph

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Bill of materials for Operating Mechanism

9 top-level lines · 9 rows shown · 13 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Closing Spring	hvcb-closing-spring	1×	1	·	part
2	Opening Spring	hvcb-opening-spring	3×	3	·	part
3	Spring Charging Motor	hvcb-charging-motor	1×	1	·	part
4	Trip Coil	hvcb-trip-coil	2×	2	·	part
5	Closing Coil	hvcb-closing-coil	1×	1	·	part
6	Operating Cam Shaft	hvcb-cam-shaft	1×	1	·	part
7	Hydraulic Damper	hvcb-damper	2×	2	·	part
8	Auxiliary Switch	hvcb-aux-switch	1×	1	·	part
9	Helical Gear Pair	gear-pair	1×	1	·	part

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Where the operating mechanism is used

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

Power & Energy 1 HV Circuit Breaker

Used in 1 assembly

HV Circuit Breaker

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