SG3M Series 300A Through Hole Metal Connector

The Saichuan SG1M SG2M SG3M metal connector system can achieve 300A at up to 1000V. With their high mechanical strength ,excellent vibration and shielding, high

Main Advantage

  • Excellent shielding performance
  • High assembly efficiency
  • 140℃

    Max operating temperature

  • -40℃

    Min operating temperature

  • 1000V

    Rated voltage

  • Max 300A

    Rated current

Introduction of SG3M Metal Via Connector

The Saichuan SG1M SG2M SG3M metal connector system can achieve 300A at up to 1000V. 


With their high mechanical strength ,excellent vibration and shielding, high efficiency when crimping , the SG1M SG2M SG3M connectors are well-suited to typical high volatge EV applications such as the connection between motor, inverter,PDU and battery. 


The range includes single-hole, 2-hole and 3-hole connectors, and for maximum flexibility, copper or aluminum cables can be used in seven different cable cross-sections.

Model of SG3M Metal Via Connector

size-of-SG3M.webp

Parameters of SG3M Series 300A Through Hole Metal Connector

DescriptionItem No.SG3M-21-70YP
Electrical PerformanceRated voltage1000V
Withstand voltage4000V
Rated currentMAX 300A
Insulation resistance5000MΩ
Mechanical PropertiesPins2pins 3pins
Mating cycles>100Times
Cross sections16mm²  25mm²  35mm²  50mm²  70mm²
Vibration class acc. ToQC/T 1067.1-2017 V3
Raw MaterialShellAluminum alloy
ShieldingCopper alloy
InsulatorPA66
SealingRubber material
Environmental PerformanceOperating temperature-40℃~140℃
Protection Grade IP68 IP69K
Salt Spray96h

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