Description
HGSR12-1CM
12V Mercury Wetted Reed Relay 1 Form C
The HGSR12-1CM is a mercury wetted reed relay from SHR’s HGSR 1C series, driven by a 12VDC 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 | 12 VDC |
| Max operating voltage | 16 VDC |
| Max pull-in voltage | 9.0 VDC max |
| Min drop-out voltage | 1.0 VDC min |
| Coil resistance | 685 Ω ±10% at 20°C |
| Max contact rating (series) | 100 W |
| Max switching voltage (series) | 500 VACpeak/VDC max |
| Max switching current (series) | 2.0 A max |
| Max carrying current (series) | 5.0 A max |
| Max contact resistance (series) | 30 mΩ max (static) |
| Dielectric strength (series) | 2000 V min |
| Insulation resistance (series) | 109 Ω min |
| Operate time (series) | 1.25 ms max (no bounce) |
| Reset time (series) | 1.25 ms |
| Operating temperature (series) | -20 to +85°C |
| Storage temperature (series) | -20 to +105°C |
| Life expectancy (series) | 2000×106 cycles (at 1.0V 10mA) |
Key Highlights
- High power mercury reed relay
- High carry current
- Low contact resistance
- Excellent lifetime characteristics
Applications
- Industrial automation
- Test and measurement equipment
- High-reliability switching systems
- Instrumentation
Specifications per the HGSR 1C series datasheet; series-level values are marked (series). Refer to the datasheet or submit an RFQ for ordering options.







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