Product Portfolio

From Miniature ATE Relays to 20kV High Voltage Switching Solutions.

• Standard Relays
• High Voltage & Modules
• Mercury
• EV Contactors
• Sensors

MiRelay Corporate & Product Overview

Standard & Miniature Reed Relays

High reliability general purpose relays for Test & Measurement (ATE), Security, and Industrial Control.

High Volume

SIP Series

Single In-Line Package. Industry standard for general switching applications.

Contact Form	1A, 1B, 1C, 2A
Switch Voltage	200V DC
Coil Voltage	5V, 12V, 24V
App	General Purpose / Security

View SIP Datasheets

High Density

MSIP & VSIP Series

Miniature & Vertical SIP. 50% smaller footprint for high-density ATE matrices.

Footprint	40% Space Saving
Switch Voltage	200V DC
Contact Form	1 Form A
App	ICT / ATE Test Matrix

View MSIP Datasheets

DIP Series

Dual In-Line Package. Compatible with standard IC sockets. Very robust structure.

Package	Standard 14-Pin DIP
Contact Form	1A, 1B, 1C, 2A
Diode	Optional Built-in
App	Industrial Control

View DIP Datasheets

High Voltage Relays & Modules

Up to 20kV Isolation. Includes Relay Modules for System Integration.

Best Seller

HVR Series (10-20kV)

High power reed relay with tungsten contacts for extreme voltage switching.

Isolation Voltage	Up to 20kV DC
Switching Voltage	10kV DC
Insulation Res.	> 10^12 Ω
Package	PCB / Wire Lead

View HVR Datasheets

SIP-HV Miniature Series

Miniature Single-In-Line package for high-density ATE matrices.

Isolation Voltage	3kV – 4kV
Switching Voltage	1000V DC
Size	Miniature SIP
App	ATE / ICT Testers

View SIP-HV Datasheets

Plug & Play

HRM Relay Modules

Integrated High Voltage Modules. 1 to 20 Channels available.

Channels	1, 6, 12, 20
Isolation	Up to 15kV
Mounting	DIN-Rail
Interface	Screw Terminal

View HRM Datasheets

HVFR Series (High Power)

Compact open-frame design for high power switching up to 100W.

Isolation Voltage	4kV – 6kV
Power Rating	100 W
Carry Current	2.5 A
Feature	Low Cost / High Power

View HVFR Datasheets

Mercury Wetted Relays

Bounce-Free switching with high pulse current capability. Ideal for Semiconductor Testing.

Bounce Free

HG Series (HGFR/HGSR)

Long life, stable contact resistance, and position sensitive.

Pulse Current	100 A (3ms)
Contact Life	Billions of Ops
Dielectric Strength	Up to 4500V
Contact Resistance	Stable Low mΩ

View Mercury Datasheets

10kV Mercury

MH Series (Ultra High Voltage)

The world’s highest voltage mercury wetted relay.

Isolation Voltage	10,000V DC
Switching Voltage	5,000V DC
Carry Current	10 A
App	Cable Insulation Test

View MH Datasheets

HV DC Contactors (New Energy)

Ceramic and Epoxy sealed contactors for EV Battery Packs and Solar Inverters.

IATF 16949

EVP / ESM Series

Ceramic Brazed Seal. Hermetic chamber for zero-arc leakage.

Rated Voltage	1000V DC
Current Range	30A – 600A
Technology	Ceramic Brazing
App	EV BMS / Charging Pile

View EVP Datasheets

Cost Effective

EVI Series (Epoxy)

Epoxy Resin Seal. High value solution for industrial and solar.

Rated Voltage	450V – 750V DC
Current Range	10A – 200A
Protection	IP68 Waterproof
App	Solar Inverter / ESS

View EVI Datasheets

Sensors & Switches

Liquid Level Sensors and Molded Reed Switches.

MLS Level Sensors

Vertical Float Switches. PP and Stainless Steel options.

Mounting	M8 / M10 / NPT
Material	PP / PA / SUS304
Switch Power	10W / 50W
App	Liquid Level Control

View MLS Datasheets

MRS Reed Switches

Molded Reed Switches for position sensing and security.

Housing	Plastic Molded
Sensitivity	10-15 AT / 15-20 AT
App	Proximity Sensing

View MRS Datasheets

Need Complete Specifications?

Download our Full Product Catalog (2025 Edition) with dimensional drawings.

Download PDF Catalog

High Voltage Reed Relay & Mercury Wetted Relay

High Voltage Reed Relay 1KV 4KV 6KV 10KV 15KV 20KV

High Voltage Reed Relay Catalog

Mercury Wetted High Voltage Relay