Features
Three-phase, low-set phase overcurrentunit with definite time or inverse definiteminimum time (lDMT)
characteristic
Three-phase, high-set phase overcurrentunit with instantaneous or defnite timeoperation
Low-set earth-fault unit with definite time o!inverse definite minimum time (lDMT) cha!acteristic
High-set earth-fault unit with instanta-neous or definite time operation
Built-in circuit-breaker failure protection
Two heavy-duty and four signal outputrelays
Output relay matrix allowing start or tripsignals from the protection stages to berouted to the desired
output relay
Local display of measured and set valuesand data recorded at the moment of a fault
Reading and writing of setting values either
via local display and front panel push-but-tons or from higher-level systems over theserial interface and
the fibre-optic bus
Self-supervision system continuously mon.itoring the operation of the electronics andthe microprocessor
Powerful software support for parameter-ization of the relay, for reading measuredand recorded values,
events, etc.. and forstoring
readings Member of the SPAcOM product family,ABB’s Distribution Automation system andABB’s
Panorama concept CE marking according to the Ec directivefor EMC
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