High Voltage Reed Relay Supplier
Precision Switching For A High Voltage World

About SHR Electronic

Engineering Excellence Since 2006

SHR Electronic (MiRelay) is a premier manufacturer dedicated to the development and production of high-quality relays and sensors. We serve a global market with a commitment to professional technology, product flexibility, and exceptional service.

Our autonomous R&D capabilities allow us to rapidly develop series products to meet diverse market needs, from EV Battery Management to Semiconductor Testing.

• Autonomous Product Development
• Diverse Product Portfolio
• High Efficiency Manufacturing
• Global Technical Support

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Standard & Miniature Relays

SIP, MSIP, DIP, and SMD Series. High-density switching for ATE and instrumentation.

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High Voltage Reed Relays

HVR, HVFR, and HRX Series. Isolation up to 20kV with tungsten contacts.

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Mercury Wetted Relays

HGMR, HGJR, and HGSR Series. Zero bounce switching and stable contact resistance.

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HV DC Contactors

EVM (Ceramic) and EVI (Epoxy) Series. 1000V-1500V switching for EV & Energy Storage.

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High Voltage Modules

HRM Series. Multi-channel (up to 20ch) high voltage switching modules for testers.

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Sensors & Switches

Liquid Level Sensors (FLS) and Magnetic Proximity Switches (MRS) for industrial use.

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New Release

HGFR Series

High Power Open-Frame Relay. Withstands up to 4kV breakdown voltage. Ideal for high power pulse applications.

Top Seller

HGJR Series

Surface Mount Mercury Relay. The industry’s first J-Lead SMT Mercury Wetted Relay. Zero Bounce.

EV Ready

ESM Series

1500V Ceramic Contactor. Designed for Solar Inverters and next-gen EV charging piles.