Compact board-mount contactor replacement with optimized 1500VDC/25A-make current
Hoofddorp, The Netherlands, 4 March 2026 – OMRON Electronic Components Europe is extending its contactor-replacement relay portfolio with the G9KJ to save weight and cost in high-voltage energy storage systems and electric-vehicle fast chargers. With 25A make current and 5A carry (0A break) current, the compact PCB-mount relays have ratings optimized for pre-charging circuits at DC-link voltage up to 1500V.
As pre-charge control switches, the OMRON G9KJ relays divert capacitive inrush currents through a high resistance to relieve stress on components handling the main charging current, including the main contactor, DC link capacitor, and trip protection. With a critical role in preventing nuisance faults or unwanted system resets, and enhancing long‑term reliability of the power stage, G9KJ relays permit greater board integration and faster assembly than traditional contactors.
The 37.2mm x 25.5mm x 17mm type 1A (SPST NO) relays address the growing reliance on high-voltage DC switching capabilities as the energy transition redefines grid infrastructures and life essentials like mobility. Continued integration of renewables in the energy mix is driving demands for efficient, high-capacity energy storage systems at voltages in the 600V-1000V range to ensure grid stability. On the other hand, EVs are tending towards higher vehicle-battery voltages, already reaching 1000-1500V in some vehicles, for faster charging, weight savings, and increased drive power.
OMRON’s G9KJ relays now deliver an alternative to general-purpose high-voltage parts, letting designers ensure pre-charging circuits are appropriately specified for optimum rating, reliability, cost, and size. With contact resistance of just 100mΩ (max.) and 530mW coil power, the relays support the quest for efficiency and energy-conscious design.
The OMRON G9KJ relays are in production now.
For more information: https://components.omron.com/eu-en/products/relays/G9KJ
Web: https://components.omron.com/eu-en
LinkedIn page: https://www.linkedin.com/company/omron-electronic-components-europe-b-v-/
About OMRON Electronic Components Europe
On 1 April 2022, OMRON Corporation announced that its’ Electromechanical Components (EMC) division was renamed as OMRON Device and Module Solutions (DMS) in line with the global long-term vision ” Shaping the Future 2030.”
OMRON Electronic Components Europe is the European subsidiary of the Device and Module Solutions division. The revised division name reflects a new focus on delivering solutions to customers globally and in Europe. Society is facing new social and environmental changes, and OMRON recognises and is responding to that. The company aims to offer its’ customers solutions that help them address these universal challenges. In accordance with the long-term strategy, OMRON intends to contribute further to the roll-out of new energy sources and of high-speed communications by enabling the creation of sturdier, advanced and more efficient devices. These devices will make people’s lives easier and better, in particular by achieving carbon neutrality, realizing a digital society and extending healthy life expectancy.
OMRON Electronic Components Europe strongly supports its customers in Western and Eastern Europe through 8 regional offices, a network of local offices and partnerships with specialist, local, regional and global distributors.
About OMRON Corporation
OMRON Corporation is a leading automation company with its core competencies in Sensing & Control + Think technology, and is engaged in a wide range of businesses including industrial automation, healthcare, social systems, and electronic components. Established in 1933, OMRON has about 30,000 employees worldwide, working to provide products and services in more than 130 countries and regions. For more information, please visit www.omron.com/global/en/
For further information please contact:
Marketing Support Group
OMRON Electronic Components Europe B.V.
Wegalaan 57, 2132 JD, Hoofddorp, The Netherlands
Tel: +31 235 681 296, Fax: +31 235 681 222
Email: info-components-eu@omron.com
Web: https://components.omron.com/eu-en
LinkedIn page: https://www.linkedin.com/company/omron-electronic-components-europe-b-v-/