RS422020-AA New ABB Three-Phase Overvoltage and Undervoltage Relay SPAU 130C [RS422020-AA] - $2,246.00 : Servo Amplifier, Servo Motor, Transmitter, CompactLogix, Powerflex

Product Description

Part Number: RS422020-AA

Features

Combined overvoltage and undervoltage protection relay
Three-phase definite time or inverse time overvoltage stage
Three-phase definite time undervoltage stage
Control input for blocking of the function of the undervoltage stage by means of an external control signal
Automatic blocking of the undervoltage stage on loss of energizing voltage
Fully field-configurable output relay functions
Flexible matching of the relay to the intended protection application
Numerical display of setting values, measured values, recorded fault values, indications etc.
Serial interface for bus connection module and optical-fibre substation bus
Continuous self-supervision of relay hardware and software for enhanced system reliability and availability
Auto-diagnostic fault indication to facilitate repair after detection of permanent internal relay fault
Powerful software support for parametrization and supervision of the relay
The relay is a member of the SPACOM product family and PYRAMID®, ABB's coordinated protection and control concept