MH Series Mercury Wetted Reed Relays
High Power Mercury Reed Relay, Dielectric Strength up to 10KVDC (series)
The MH series is SHR’s highest-voltage mercury wetted reed relay family, with dielectric strength up to 10KVDC and switching voltage up to 5000V. Built for extreme high-voltage applications, it pairs mercury wetted bounce-free contacts with external magnetic and electrostatic shielding.
Series Specifications
| Dielectric strength (series) | Up to 10 KVDC (8KV / 10KV between contacts) |
| Max contact rating (series) | 100 W |
| Max switching voltage (series) | 5000 V (DC / peak AC) |
| Max switching current (series) | 5.0 A |
| Max carry current (series) | 10.0 A |
| Contact resistance (series) | 100 mΩ |
| Insulation resistance (series) | 1012 Ω |
| Operate / release time (series) | 7.0 ms / 5.0 ms |
| Operating temperature (series) | -20°C to +70°C |
| Shielding | External magnetic and electrostatic shield |
| Compliance | RoHS |
Key Highlights
- Extreme 10KVDC dielectric strength
- 5000V switching voltage, 10A carry current
- Bounce-free mercury wetted contacts
- External magnetic and electrostatic shielding
- Designed for the most demanding HV applications
Models in This Series
MH series, Form 1A, in 8KV (MH-1A8K) and 10KV (MH-1A10K) variants.
Applications
- High-voltage power supplies
- Pulse power systems
- Scientific instruments
- HV test equipment
All values above are series-level specifications from the official SHR datasheet (MH 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.