Precision Switching
For A High Voltage World
Leading manufacturer of High Voltage Reed Relays, Mercury Wetted Relays, and HV DC Contactors for EV, ATE, and Medical applications.
Engineering Excellence Since 2010
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
Our Core Technologies
Comprehensive switching solutions for low-level signals to high-power arcs.
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.
View Series → Mercury Wetted Relays
HGMR, HGJR, and HGSR Series. Zero bounce switching and stable contact resistance.
View Series → 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.
View Series →Featured Innovations
HGFR Series
High Power Open-Frame Relay. Withstands up to 4kV breakdown voltage. Ideal for high power pulse applications.
HGJR Series
Surface Mount Mercury Relay. The industry’s first J-Lead SMT Mercury Wetted Relay. Zero Bounce.
ESM Series
1500V Ceramic Contactor. Designed for Solar Inverters and next-gen EV charging piles.
Ready to Switch?
Contact our engineering team for a custom quote or cross-reference request.
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