High Power Open-Frame Reed Relays, up to 4KV Breakdown (series)
The HVFR series is SHR’s high-power open-frame reed relay family, covering compact low-voltage types up to 4KV high-voltage types. The open-frame construction offers excellent heat dissipation and cost efficiency for high-power switching applications.
Series Specifications
Breakdown voltage (series)
200 V (HVFR05) up to 4 KV (HVFR12/24)
Max contact rating (series)
10 W (HVFR05) / 100 W (HVFR12/24)
Max switching voltage (series)
100 V (HVFR05) / 1 KV (HVFR12/24)
Max switching current (series)
0.5 A (HVFR05) / 1.0 A (HVFR12/24)
Max carry current (series)
1.0 A (HVFR05) / 2.5 A (HVFR12/24)
Contact resistance (series)
120–150 mΩ
Insulation resistance (series)
Up to 1013 Ω
Operate time (series)
1.0 ms
Operating temperature (series)
-20°C to +70°C
Key Highlights
Open-frame construction for heat dissipation and cost efficiency
Wide range: 200V to 4KV breakdown options
Up to 100W contact rating in HVFR12/24 types
1A to 4A multi-pole configurations
Custom designs available
Models in This Series
HVFR05/12/24 with 1A, 2A, 3A, 4A contact forms. Standard coil voltages: 5VDC, 12VDC, 24VDC.
Applications
Power switching
Industrial controls
Test equipment
High-voltage applications
All values above are series-level specifications from the official SHR datasheet (HVFR series datasheets); individual model ratings may differ. Please refer to the series datasheet or submit an RFQ to confirm the exact configuration for your application.