ABB VHXM23B Static Protection Relay


Product Parameter

Support 4-way LAN

Support SIM card adaptive dialling

Support 4G, WIFI, LAN network automatic switching

Support RS232 or RS485

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ABB VHXM23B Static Protection Relay

ABB VHXM23B Static Protection Relay

ABB VHXM23B Static Protection Relay – Over voltage relay with variable time delay

The relay type VHXm is a static under/over voltage relay used for detection of under voltage (or loss of voltage) or over voltage in the AC system. Relay is used for over voltage protection and supervision in distribution systems. Relay is also used for overvoltage / undervoltage protection of Generators, Motors and Transformers.

Technical Specification of ABB VHXM23B Static Protection Relay

  • Type: Electro Mechanical Relay.
  • Protection Type: Static Protection Relay.
Technical Specifications  Details
Model No : VHXM23B
Relay type VHXM23B Static Protection
Auxiliary voltage 63.5/110/240 V AC, 80-140%, 0.1-1.0 sec/0.5-5.0 sec/1-10 sec, 24/30/48/110/220 V DC
Type of mounting Flush mounting
Contact configurations 6NO+0NC/ 3NO+3NC
Typical applications Over voltage relay



  1. RXPSU6n , with 6 free contacts and without operation indicator
  2. RXPSU14n with 14 free contacts and operation indicator
  3. RXPQ8n


  • High degree of reliability, even when it has been idle for a long time
  • RXPSU14n is with mechanical flag type indicator
  • 6 / 14 contacts with double interruption!
  • Contact configuration can be changed with ease
  • Wide range of voltage and contact configuration


For remote and automatic control there is often a need for contactors which have two stable contact positions, even in the dead state. This requirement is fulfilled by changeover contactors type RXPSU…n. The application of alternate control pulses to the coils because the contacts to change from the one state to the other. If the supply is interrupted, the contacts remain in their previous position, even when the voltage is restored.