High Power Mercury Reed Relay, Dielectric Strength up to 2000VDC (series)
The HGFR series is a high-power mercury wetted reed relay family with dielectric strength up to 2000VDC. Mercury wetted contacts deliver bounce-free switching, low contact resistance, and excellent lifetime characteristics for high-frequency and high-reliability applications.
Series Specifications
Dielectric strength (series)
Up to 2000 VDC
Max contact rating (series)
50 W
Max switching voltage (series)
1000 V (DC or AC peak)
Max switching current (series)
1.0 A
Max carry current (series)
5.2 A
Contact resistance (series)
80 mΩ max
Isolation, contact to coil (series)
2000 V
Insulation resistance (series)
1013 Ω
Operate / reset time (series)
3.0 ms / 3.0 ms
Operating temperature (series)
-20°C to +70°C
Key Highlights
Bounce-free mercury wetted contacts
High carry current up to 5.2A
Insulation resistance up to 1013 Ω
Excellent lifetime characteristics
Multi-pole options: 2A, 3A, 4A forms
Models in This Series
HGFR05/12/24 with 2A, 3A, 4A contact forms. Standard coil voltages: 5VDC, 12VDC, 24VDC.
Applications
High-frequency switching
Test & measurement
Industrial controls
Telecommunications
All values above are series-level specifications from the official SHR datasheet (HGFR series datasheet); individual model ratings may differ. Please refer to the series datasheet or submit an RFQ to confirm the exact configuration for your application.
Engineering selection guide
Mercury wetted relay selection details
Specify mercury-wetted relays by bounce requirement, contact stability, switching voltage/current, orientation, contact form, package and mercury-use acceptance in the end market.