SY1 Series 20A Circular Metal Connector

SY1 series products are circular metal connectors, which have the advantages of high strength, superior shielding performance, high wiring efficiency, convenient and reliable insertion and removal.

Main Advantage

  • Secondary locking function, safe and reliable.
  • It can be assembled with bellows during the wiring process without the need for a heat shrink step.
  • Product is RoHS compliant.
  • 125℃

    Max operating temperature

  • -40℃

    Min operating temperature

  • 1000V

    Rated voltage

  • 20A

    Rated current

Introduce of SY1 Circular Metal Connector

SY1 series products are circular metal connectors, which have the advantages of high strength, superior shielding performance, high wiring efficiency, convenient and reliable insertion and removal.

  • The product has a secondary locking function, and the locking is reliable.

  • The product can be assembled with bellows during the wiring process, eliminating the need for heat shrinking steps.

  • The product is RoHS compliant.

Application range: connection between new energy vehicle motor controllers, all-in-one controllers, PDUs and other equipment.


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Size of SY1 Circular Metal Connector

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Parameters of SY1 Series 20A Circular Metal Connector

Electrical PerformanceRated voltage1000V
Withstand voltage4000V
Rated current20A
Insulation resistance5000MΩ
Mechanical PropertiesPins2pins / 3pins
Mating cycles>100Times
Applicable wire diameterPlug 2x2.5mm², 3x2.5mm²   Socket 2.5mm²
Terminal wiring methodcrimp
Raw MaterialShellAluminum alloy
Shielded / Contact partsCopper alloy
InsulatorPA66
SealingSilicone Rubber
Environmental PerformanceOperating temperature-40℃~125℃
Protection Grade IP68 / IP69K
Salt Spray96h / 504h


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