Description
Microprocessor based numerical relay
Undervoltage
Overvoltage
Delay-on
2 voltage-free output contacts
Voltage and frequency display
ANSI Code : 27, 47, 59, 60•3-Phase
MU 250 only
3-Phase
Unbalance
Phase loss
Phase sequence
With or without neutral connection
Phase to phase or phase to neutral monitoring

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