Signal Head

Assembly

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The weatherproof housing that stacks the individual light units, with a background plate that makes the aspects readable against daylight sky.

Direct parts	6
Total parts	7
Used in	1 assembly
Class	Assembly

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The weatherproof housing that stacks the individual light units, with a background plate that makes the aspects readable against daylight sky. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Signal Head parts and their functions

6 top-level parts · 7 parts in total · full bill of materials below

Signal Head parts diagram: 1 head housing, 2 background plate, 3 rear access door, 4 alignment mount, 5 o-ring set, 6 fastener set. 7 parts in 6 top-level items. — Signal Head 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	Head Housing	1×	Cast aluminium
2	Background Plate	1×	Matte black target plate
3	Rear Access Door	1×	Rear maintenance door
4	Alignment Mount	1×	Pan/tilt sighting mount
5	O-Ring Set	1×	Door and gland seals
6	Fastener Set	2×	Bolts, nuts, and washers.

3D model

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Build & assembly graph

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Bill of materials for Signal Head

6 top-level lines · 6 rows shown · 7 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Head Housing	railway-signal-head-housing	1×	1	·	part
2	Background Plate	railway-signal-backboard	1×	1	·	part
3	Rear Access Door	railway-signal-access-door	1×	1	·	part
4	Alignment Mount	railway-signal-alignment-mount	1×	1	·	part
5	O-Ring Set	oring-set	1×	1	·	part
6	Fastener Set	fastener-set	2×	2	·	part

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Where the signal head is used

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

Rail & Transit 1 Railway Color-Light Signal

Used in 1 assembly

Railway Color-Light Signal

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