MH Mercury Relay

Mercury Wetted 5000V Switching 10A Carry

MH Series

High Voltage, High Current Mercury Wetted Relay. Designed for demanding loads, capable of switching 5000V and carrying 10 Amps with zero contact bounce.

MH Series High Voltage Mercury Relay
5000V Switching Voltage
100W Contact Rating
10A Max Carry Current
10kV Max Stand-Off

Heavy Duty Mercury Performance

The MH Series is a powerhouse relay designed for applications that require both high voltage and high current handling. Unlike standard reed relays, the mercury-wetted contacts allow for a massive 10 Amp carry current and 5 Amp switching current.

Combined with a switching voltage of up to 5000 Volts, this relay is the ideal choice for high-power transmitters, laser power supplies, and heavy industrial control systems.

Technical Highlights

  • Switching Power: 100 Watts
  • Switching Voltage: 5000 VDC
  • Switching Current: 5.0 Amps
  • Contact Resistance: Extremely stable (Mercury)

Ordering Information

Part Number Coil Isolation Switching V. Carry Current Action
MH05-1A8K5V8kV5000V10AQuote
MH05-1A10K5V10kV5000V10AQuote
MH12-1A8K12V8kV5000V10AQuote
MH12-1A10K12V10kV5000V10AQuote
MH24-1A8K24V8kV5000V10AQuote
MH24-1A10K24V10kV5000V10AQuote

* Note: Mercury relays are position sensitive. Install within ±30° of vertical.

Part Number Decoder

MH[05]-1A[8K]

MH Series Name
[05] Coil: 05, 12, 24 VDC
1A Form A (Normally Open)
[8K] Stand-Off: 8kV, 10kV
SHR-Relay-MH-High-voltage-Mercury-Reed-RelayDownload