Ningbo SunPu Electronics Co., Ltd.
Structured cabling manufacturer since 2010jack@cat6-cable.com
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Focused product range

Fiber optic splice closures planned around the cable joint.

Choose a horizontal or dome closure from the cable route, fiber allocation, cable sheath and diameter, entry-port layout, splice tray plan, sealing method, mounting, environment, re-entry, and maintenance path.

System role

Fiber joint protection for feeder, distribution, access, campus, underground, duct, aerial, pole, and handhole routes.

Published models
53
Buyer route
Distributor / Project / OEM
Next step
Configuration review

Available directions

Fiber Optic Splice Closure

View the complete fiber & rack management family →
SP-F001 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F001 Horizontal Fiber Optic Splice Closure - Black

Fiber ClosureHorizontalSplice ManagementSP-F001
SP-F001
SP-F001 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F001 Horizontal Fiber Optic Splice Closure - Red

Fiber ClosureHorizontalSplice ManagementSP-F001
SP-F001
SP-F002 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F002 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F002
SP-F002
SP-F003 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F003 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F003
SP-F003
SP-F004 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F004 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F004
SP-F004
SP-F005 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F005 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F005
SP-F005
SP-F006 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F006 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F006
SP-F006
SP-F007 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F007 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F007
SP-F007
SP-F008 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F008 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F008
SP-F008
SP-F009 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F009 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F009
SP-F009
SP-F010 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F010 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F010
SP-F010
SP-F011 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F011 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F011
SP-F011
SP-F012 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F012 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F012
SP-F012
SP-F013 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F013 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F013
SP-F013
SP-F014 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F014 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F014
SP-F014
SP-F015 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F015 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F015
SP-F015
SP-F016 Horizontal Fiber Optic Splice Closure primary product view

Fiber / Horizontal Splice Closure

SP-F016 Horizontal Fiber Optic Splice Closure

Fiber ClosureHorizontalSplice ManagementSP-F016
SP-F016
SP-F101H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F101H Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F101H
SP-F101H
SP-F101M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F101M Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F101M
SP-F101M
SP-F102H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F102H Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F102H
SP-F102H
SP-F102H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F102H Dome Fiber Optic Splice Closure - Basic Version

Fiber ClosureDomeSplice ManagementSP-F102H
SP-F102H
SP-F102H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F102H Dome Fiber Optic Splice Closure - Basic Version

Fiber ClosureDomeSplice ManagementSP-F102H
SP-F102H
SP-F102M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F102M Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F102M
SP-F102M
SP-F102M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F102M Dome Fiber Optic Splice Closure - Basic Version

Fiber ClosureDomeSplice ManagementSP-F102M
SP-F102M
SP-F103H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F103H Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F103H
SP-F103H
SP-F103H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F103H Dome Fiber Optic Splice Closure - Basic Version

Fiber ClosureDomeSplice ManagementSP-F103H
SP-F103H
SP-F103H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F103H Dome Fiber Optic Splice Closure - Basic Version

Fiber ClosureDomeSplice ManagementSP-F103H
SP-F103H
SP-F103M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F103M Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F103M
SP-F103M
SP-F103M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F103M Dome Fiber Optic Splice Closure - Basic Version

Fiber ClosureDomeSplice ManagementSP-F103M
SP-F103M
SP-F103M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F103M Dome Fiber Optic Splice Closure - Basic Version

Fiber ClosureDomeSplice ManagementSP-F103M
SP-F103M
SP-F104-PLC-A Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F104-PLC-A Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F104-PLC-A
SP-F104-PLC-A
SP-F104-PLC-B Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F104-PLC-B Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F104-PLC-B
SP-F104-PLC-B
SP-F104-PLC-C Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F104-PLC-C Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F104-PLC-C
SP-F104-PLC-C
SP-F105H-A-1 Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F105H-A-1 Dome Fiber Optic Splice Closure - In2 Out

Fiber ClosureDomeSplice ManagementSP-F105H-A-1
SP-F105H-A-1
SP-F105H-B-1 Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F105H-B-1 Dome Fiber Optic Splice Closure - In3 Out

Fiber ClosureDomeSplice ManagementSP-F105H-B-1
SP-F105H-B-1
SP-F105H-C-1 Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F105H-C-1 Dome Fiber Optic Splice Closure - In3 OutLarge

Fiber ClosureDomeSplice ManagementSP-F105H-C-1
SP-F105H-C-1
SP-F106H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F106H Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F106H
SP-F106H
SP-F106M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F106M Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F106M
SP-F106M
SP-F107H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F107H Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F107H
SP-F107H
SP-F108H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108H Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F108H
SP-F108H
SP-F108H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108H Dome Fiber Optic Splice Closure - Updated Tray

Fiber ClosureDomeSplice ManagementSP-F108H
SP-F108H
SP-F108H-A Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108H-A Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F108H-A
SP-F108H-A
SP-F108H-B Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108H-B Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F108H-B
SP-F108H-B
SP-F108H-PLC Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108H-PLC Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F108H-PLC
SP-F108H-PLC
SP-F108M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108M Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F108M
SP-F108M
SP-F108M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108M Dome Fiber Optic Splice Closure - Updated Tray

Fiber ClosureDomeSplice ManagementSP-F108M
SP-F108M
SP-F108M-A Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108M-A Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F108M-A
SP-F108M-A
SP-F108M-B Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108M-B Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F108M-B
SP-F108M-B
SP-F108M-PLC Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F108M-PLC Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F108M-PLC
SP-F108M-PLC
SP-F109H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F109H Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F109H
SP-F109H
SP-F109M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F109M Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F109M
SP-F109M
SP-F110H Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F110H Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F110H
SP-F110H
SP-F110M Dome Fiber Optic Splice Closure primary product view

Fiber / Dome Splice Closure

SP-F110M Dome Fiber Optic Splice Closure

Fiber ClosureDomeSplice ManagementSP-F110M
SP-F110M

Selection framework

Four decisions to settle before the quotation.

01

Cable entry and sealing

Confirm every cable sheath, outside diameter, entry port, seal, armor treatment, grounding, and route direction before the closure is approved.

02

Splice capacity

Use the actual fiber allocation, tray quantity, sleeve format, splitter requirement, service loops, bend control, and growth allowance rather than headline capacity alone.

03

Route environment

Review duct, aerial, pole, handhole, underground, water, UV, temperature, mounting, re-entry, access space, and local installation practice.

04

Order configuration

Lock the exact SP reference, tray plan, entry layout, accessories, labels, mounting kit, sample, documents, packaging, and approval record.

Buyer questions

Resolve the details that change the order.

These answers help define the requirement. Final limits and evidence still depend on the exact quoted construction.

01

How is splice-closure capacity selected?

Use the complete fiber and cable plan: cable entries, fiber count, tray arrangement, sleeves, splitters, reserve loops, bend radius, service access, and future expansion. A published core count alone is not a configuration.

02

When should a horizontal closure be chosen over a dome closure?

Choose from the cable route, entry direction, sealing architecture, mounting method, splice-tray access, re-entry requirement, available workspace, and the project installation method.

03

What must be confirmed before ordering a closure?

Confirm the SP reference, cable sheath and diameters, entry layout, fiber allocation, trays, sealing, mounting, environment, accessories, labels, sample, packing, and required documents.

Technical resources

Use the matching specification checklist.

View all resources →
01 / Fiber guide

How to Size a Fiber Enclosure, Adapter Panel, and Pigtail Set

Size rack and wall fiber enclosures from incoming cable, splice method, fiber count, adapter density, connector polish, slack storage, labeling, and future capacity.

7 min read · Read guide →02 / Procurement guide

How to Build a Better Structured Cabling BOQ

Turn a product list into a usable structured-cabling BOQ with exact models, configuration fields, quantities, relationships, documents, packaging, and revision control.

6 min read · Read guide →03 / Quality guide

Ask for Compliance Evidence by Exact Product Model

Evaluate cabling certificates, declarations, test reports, and quality records by model, construction, standard, scope, revision, and issuing body.

6 min read · Read guide →

Quotation input

Send a configuration, not only a product name.

Attach a BOQ, drawing, schedule, reference datasheet, network diagram, or approval sample whenever available.

  1. 01Exact SP model or photo reference
  2. 02Cable count, sheath diameter, fiber allocation, and entry plan
  3. 03Splice tray, sleeve, adapter, splitter, and reserve-loop requirement
  4. 04Route, environment, mounting, sealing, grounding, and re-entry requirement
  5. 05Labels, accessories, sample, documents, quantity, packing, and destination
Request a product review →