OMRON G9KB series PCB power relay

The OMRON G9KB is a 600VDC, 50A high capacity power relay with bidirectional switching, making it an ideal option for charge/discharge applications. Due to OMRON’s latest advancement in arc cut-off technology, the G9KB realizes dependable DC disconnect. Single pole (non-polarized) double break contact with gap larger than 3.6mm enables versatile application. It features a low and stable contact resistance (initial less than 5mΩ) which suppresses heat generation, and a low coil power consumption of approximately 0.57W with 45% rated holding voltage. It also has a wide ambient operating temperature from －40℃ to +85℃.

The G9KB is ideal for application in bidirectional high power switching systems, such as residential and low power commercial energy storage systems (ESS), conventional EV chargers, including vehicle to home and grid (V2H/V2G) and fast charger PDU’s (power distribution units).

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The OMRON G9KB is a 600VDC, 50A high capacity power relay with bidirectional switching, making it an ideal option for charge/discharge applications.

Features/Applications

Features Applications
  • *600VDC, 50A bidirectional switching (one pole double break)
  • OMRON advanced arc cut-off technology
  • Low initial contact resistance ≤5 mΩ
  • Low coil power consumption ~ 0.57W
  • Wide ambient operating temperature from －40℃ to +85℃
  • UL 60947-4-1 and EN 61810-10 certified (required for ESS)
  • Energy storage systems (ESS)
  • Conventional EV chargers including vehicle to home/grid (V2H/V2G)
  • EV fast charger PDU (power distribution units)

*capability to 1000VDC. Please contact OMRON for further details.

 

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