HGSR Series Mercury Wetted Reed Relays
Industrial High Power Mercury Reed Relay, Dielectric Strength up to 4000VDC (series)
The HGSR series is SHR’s industrial high-power mercury wetted reed relay family, with dielectric strength up to 4000VDC and carry current up to 8.5A. External magnetic and electrostatic shielding plus bounce-free mercury contacts make it the workhorse for demanding industrial switching.
Series Specifications
| Dielectric strength (series) | Up to 4000 VDC (3000/3500/3800/4000/4500 V between contacts) |
| Max contact rating (series) | 100 W |
| Max switching voltage (series) | 2000 V (DC / peak AC) |
| Max switching current (series) | 2.0 A |
| Max carry current (series) | 8.5 A |
| Contact resistance (series) | 80 mΩ |
| Dielectric strength, contact/shield to coil (series) | 4500 V |
| Insulation resistance (series) | 1011 Ω |
| Operate / release time (series) | 1.5–2.0 ms |
| Life expectancy (series) | 5×107 ops (at 500VDC-100mA) |
| Operating temperature (series) | -20°C to +70°C |
| Shielding | External magnetic and electrostatic shield |
| Compliance | RoHS |
Key Highlights
- Industrial-grade 4000VDC dielectric strength
- High carry current up to 8.5A
- Bounce-free mercury wetted contacts, no contact bounce
- External magnetic and electrostatic shielding
- 1A, 2A and C contact forms for flexible configurations
Models in This Series
HGSR05/12/24 with 1A, 2A and C contact forms. Standard coil voltages: 5VDC, 12VDC, 24VDC.
Applications
- Industrial controls
- High-power switching
- Test equipment
- Power supplies
All values above are series-level specifications from the official SHR datasheet (HGSR 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.