SY21 Plastic Connector

The SY21 Plastic Circular Connector are IP67 connectors, bayonet coupling, they have the same size and same electric spec as SP13/17/21, but IP67, SY21 is our large-size plastic shell, IP67 waterproof connector, the specialty of SY21 connector is bayonet coupling, it is designed for applications that need quick locking and frequent plug on/off mating.

The SY21 Plastic Circular Connector are IP67 connectors, bayonet coupling, they have the same size and same electric spec as SP13/17/21, but IP67, SY21 is our large-size plastic shell, IP67 waterproof connector, the specialty of SY21 connector is bayonet coupling, it is designed for applications that need quick locking and frequent plug on/off mating.

1) Shell diameter (the panel hole cutout diameter): 21mm 

2) Number of contacts: 2 -12 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


A


Material and spec

Coupling

Bayonet

Shell material

PC: Panel connector shell, Insert housing shell.

Nylon66: Locking nut, Back shell, Compressing nut, Retaining nut

Fire resistance: V-0

Insert material

PPS, max temperature 260 ℃

Contact material

Brass with gold plating

Termination

Solder: SY13, SY17, SY21

Crimp: SY17, SY21

Screw: SY21 (Ø3 mm contact)

IP rating

IP67

Mating cycle

500

Temperature range

-40℃~+ 85℃

Insulation resistance (MΩ)

2000


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