SP21 Series Threaded
SP21 Series
SP21 Series
Material and Spec
Coupling Threaded
Shell material PC, Nylon66, fire resistance: V-0
Insert material PPS, max temperature 260 ℃
Contact material Brass with gold plating
Termination Solder: SP13, SP17, SP21, SP29
Crimp: SP17, SP21, SP29
Screw: SP21, SP29 ( Ø2.5, Ø3, Ø3.5mm contact)
Cable outer diameter range SP11: I: 3-4mm, II: 4-6.5mm
SP13: I: 4-6.5mm, II: 5-8mm
SP17: 6-10mm
SP21: I: 4.5-7mm, II: 7-12mm, III: 5-9mm
SP29: I: 9-13mm, II: 13-16mm
IP rating IP68
Mating cycle 500
Temperature range -40 ~ + 85℃
Insulation resistance 2000 MΩ
SP21 Series Mating diagram

Solder Spec★ Screw contact spec

Crimp Spec


The SP21, SP17, and P13 serious are IP68 connectors, threaded coupling.
Compare to SP13/17, SP21 has a larger shell and higher current range, it is a strong and tough connector designed for indoor/outdoor and underwater IP68 environments. It is ideal for any application which needs watertight connection conditions.
The connectors can be used for both cable to cable (in-line) and cable to panel-mount connections. Each side can be male or female contact, (Plug or socket versions), the IP68 Sealing caps are available for both cable connector and panel connector.
1) shell diameter (the panel hole cutout diameter): 21mm
2) number of contacts : 2 -15 gold plated contacts
3) rated current and V : 30A-5A , 500V-400V .
4) cable outer diameter acceptance: type I: 4.5-7mm , type II: 7-12mm
5) CE , ROHS approval

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