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News Releases
Company information update announcement
Consolidated sales, number of employees, and introduction of executives have been updated. For details, please see the company profile.
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News Releases
Launch of Sample Provision for High Voltage AC Relay “AX1-*U*” with 2,000VAC Dielectric Strength Between Open Contacts
EM Devices Corporation (President: Chihiro Yamamoto; Headquarters: Shiroishi City, Miyagi Prefecture) has developed the high voltage AC relay ‘AX1-*U*’, targeting NACS-compatible vehicle chargers and other related applications. The company began offering samples in March 2025. Product Overview High Voltage AC Relay “AX1-*U*” Product Name AX1-*W* *depends on the specifications Dimensions / Weight 15.8×21.0×20.5mm/ 16g Contact […]
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News Releases
Notice of exhibiting at “Tohoku Hokkaido Automotive Technology Exhibition and Business Meeting”
EM Devices Corporation (CEO: Tomohiro Yamamoto, Head Office: Shiroishi City, Miyagi Prefecture) will exhibit at the exhibition and business meeting to introduce and appeal to automotive-related companies in the Tokai region the excellent technical capabilities of our EV relays, aiming to create and expand business and further develop the automotive-related industry. We will explain in […]
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News Releases
Compact, Low Cost, Highest Short-Circuit withstand Performance and Shock Resistance
Now Available as Samples of “ER250”, High-Voltage DC Relay for x EVEM Devices Corporation (President: Chihiro Yamamoto, Headquarters: Shiroishi City, Miyagi Prefecture) has developed “ER250”, a high-voltage DC relay targeting high-voltage junction boxes for xEV, and will begin providing samples in November 2024. Product Overview HVDC Relay 「ER250」 Product Name ER250-***H（* depends on the specifications） Structure Air-Switching、Plastic Sealed Contact Rating 250A-450Vdc、Resistive Load Max. Cut-Off Current 1800A-450Vdc […]
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News Releases
Launch of Sample Provision for High Voltage AC Relay “AX1-W” with 1,500VAC Dielectric Strength Between Open Contacts
EM Device Corporation (President: Tomohiro Yamamoto, Headquarters: Shiroishi City, Miyagi Prefecture) has begun offering samples targeting NACS-compliant in-vehicle chargers and other devices. Product Overview High Voltage AC Relay “AX1-*W*” Product Name AX1-*W* *depends on the specifications Dimensions / Weight 15.8×21.0×20.5mm/ 16g Contact Type 1a Contact Rating 16A、32A 277VAC Coil Rated Power 1.7W Ambient Temperature: […]
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News Releases
[News] EV Relay (AC Relay / High Voltage DC Relay) has been added to the product information on the website.
We have posted a product data sheet and product image of the AC relay (product name: AX1 Relay) for on-board chargers for electric vehicles (BEVs) and plug-in hybrid vehicles (PHEVs).
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News Releases
Started Mass Production of “AX1 Relay”, an AC Relay for xEV Onboard Chargers
In May 2024, EM Devices Corporation (Head Office: Shiroishi City, Miyagi Prefecture; President: Chihiro Yamamoto) will start mass production of AC relays (product name: AX1 relay) for onboard chargers for electric vehicles (BEV) and plug-in hybrid vehicles (PHEV). Specifications AX1 Relay Product Name AX1 Relay Dimensions/Weight 15.8×21.0×20.5mm/16g Contact Type 1a、1c Contact Rated 16A, 32A 277VAC Coil […]
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News Releases
Start providing samples of “AX1”, AC relay for on-board chargers
EM Devices Corporation (Representative Director, President and CEO: Chihiro Yamamoto; Headquarters: Shiroishi, Miyagi) announced today that it has developed the world’s smallest AC relay for on-board chargers, “AX1” in 32A/isolation withstand voltage 4KV class. EM Devices will begin shipping samples of AX1 in August, 2023. Specifications AX1 series Product AX1 series Size/Weight 15.8×21.5×20.5mm/Approx.16g Contact form […]
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News Releases
Notice of Change of Directors
EM Devices Co. announced that there was an election of officers at the annual general meeting of shareholders held on June 30 and the subsequent board meeting. 【2023 June 30th】 The Representative Director and President(CEO) Chihiro Yamamoto Reappointment, Director Toshiyuki Goto New appointment, Director（CFO） Tatsuhiro Muto New appointment, Outside Director Hidemi Moue Reappointment, Outside Director Katsu Harashima Reappointment, […]
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News Releases
Received the “Ingenuity Achievement Award”
2023 Minister of Education, Culture, Sports, Science and Technology Commendation We (EM Devices Corporation) received the 2023 Minister of Education, Culture, Sports, Science and Technology Commendation for Creativity and Ingenuity. The Ministry of Education, Culture, Sports, Science and Technology (MEXT) recognizes those who have made remarkable achievements in research and development and the promotion of […]
EM Devices Corporation
