Description
HGSR05-1CM
5V Mercury Wetted Reed Relay 1 Form C
The HGSR05-1CM is a mercury wetted reed relay from SHR’s HGSR series, driven by a 5VDC coil with 1 Form C (SPDT changeover) contacts. Mercury wetted contacts deliver bounce-free switching with stable low contact resistance over life, making it suitable for high-reliability switching in industrial automation, test equipment and instrumentation.
Key Specifications
| Nominal coil voltage | 5 VDC |
| Max operating voltage | 6.5 VDC |
| Max pull-in voltage | 4 VDC max |
| Min drop-out voltage | 0.5 VDC min |
| Max contact rating (series) | 100 W |
| Max switching voltage (series) | 2000 V (at 1.0mA) |
| Max switching current (series) | 2.0 A |
| Max carrying current (series) | 8.5 A |
| Max contact resistance (series) | 80 mΩ |
| Dielectric strength (series) | 3000–4500 V (static) |
| Insulation resistance (series) | 1011 Ω |
| Operate time (series) | 2.0 ms (1A/2A) / 1.5 ms (C) |
| Reset time (series) | 2.0 ms (1A/2A) / 1.5 ms (C) |
| Operating temperature (series) | -20 to +70°C |
| Storage temperature (series) | -35 to +105°C |
Key Highlights
- High power mercury reed relay with dielectric strength up to 4000VDC
- High carry current
- High insulation resistance, up to 1011Ω
- Low contact resistance, excellent lifetime characteristics
- External magnetic and electrostatic shield
- Custom design, conforming to RoHS directive
Applications
- Industrial automation
- Test and measurement equipment
- High-reliability switching systems
- Instrumentation
Specifications per the HGSR series datasheet; series-level values are marked (series). Submit an RFQ to confirm the exact coil and contact configuration.






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