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Environmental calculations for high-capacity power relays for storage systems

Environmental calculations for high-capacity power relays for storage systems

Business news |
By Nick Flaherty



Omron is to start providing carbon footprint data of products (PCF) calculations for high-capacity power relays for energy storage systems and other new equipment to customers from May 2024.

Omron will promote visualization of greenhouse gas (GHG) emissions throughout the supply chain in the electrical equipment industry for its latest relays.

For green procurement in the supply chain, the use of PCF disclosure as a policy for selecting suppliers has been increasing, and it is becoming necessary for companies to implement PCF calculations.

Omron has established its own calculation guidelines for PCF based on global standards for its G9KB series of high-capacity power relays for new energy devices such as power conditioners and storage systems.

The PCF for the relays is calculated based on ISO 14067 and has been certified by a third party and this will be extended to a wider range of high-capacity power relays. The G9KB-E is a high-capacity version of the G9KB series, which has the same size and weight as the G9KB reference model, but with a maximum opening and closing voltage of 800 V DC and a maximum current of 100 A. The rated value of 800 V DC 50 A and 600 V DC 100 A is especially suitable for 15~40 kW class battery related applications such as power storage systems and EV charger/V2X.

Item

G9KB

(NEW)G9KB-E

Contact Configuration

1a​

Contact Gap

>3.6mm​

〃​

Contact resistance (initial value)

≦5mΩ​

〃​

Max Switching

Voltage

600VDC

800VDC

Max Switching

Current

50A

100A

Rated load

600VDC 50A​

800VDC 50A

600VDC 100A etc.

Electrical durability

600VDC 50A 2,000 operations

800VDC 18A 6,000 operations

800VDC 50A 10 operations

600VDC 100A 100 operations 

Main Contact Polarity

None

Mechanical Service Life

1,000,000 times (Switching frequency: 10,800 times/h)

Coil Voltage

DC12V / DC24V

Coil Power Consumption

Approx. 2.8 W (Hold voltage: At 45%: 0.57W)​

Operating Temperature

-40℃ ~ +85℃​

〃​

Size

L 50.5 x W 37.0 x H 50.5 mm​

〃​

Terminal

PCB

Structure

Fluxtite

Safety Standard

UL/C-UL、EN/IEC、CQC

sustainability.omron.com/en/

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