RETOM-61 is a relay protection and automation testing utility. The program allows you to carry out independent automatic or manual control of three current and voltage sources, to record automatically operating and reset of the tested protection according to different characteristics, to actuate protection logic using binary outputs, to measure and oscillographically record analog inputs (ADC) voltages.
Learn about voltage and frequency-based protection in utility substations.
Enables you to attach an ISDN PBX or another ISDN device to two connections.
The feeder protection relay REX 521 is designed for protection and control.
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