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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.

About SHR Electronic

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
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SHR Factory

Our Core Technologies

Comprehensive switching solutions for low-level signals to high-power arcs.

SIP Reed Relay

Standard & Miniature Relays

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

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HVR Reed Relay

High Voltage Reed Relays

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

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Mercury Wetted Relay

Mercury Wetted Relays

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

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HV DC Contactor

HV DC Contactors

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

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Relay Modules

High Voltage Modules

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

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Reed Sensors

Sensors & Switches

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

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Featured Innovations

New Release HVFR Series

HVFR Series

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

Top Seller HGJR Series

HGJR Series

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

EV Ready ESM Contactor

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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