Product Guide

41
All pictures shown in this document are for illustration purpose only. Actual product features may vary due to product enhancement without notice.
PRODUCT GUIDE
–
GPW
Series
7.6.7.5 A18 – ADI - Adjustable Differential Protection
ADI is an adjustable differential protection external to the control board.
It is a residual current relay with external toroidal transformer, useful to detect leakage current. The advantage
of this type of differential protection is that is possible to set sensitivity and intervention time.
 Type A (up to IDn=5 A)
 Operating voltage 230-400 Vac +10% / -15%
 Auxiliary supply frequency 50-60 Hz
 Operating temperature -25….+70 °C
 Sensitivity settings IDn 0.03-0.1-0.3-0.5-1-2-3-5-10-30 A
 Tripping time settings Dt 0-0.06-0.2-0.3-0.5-1-2-3-5-10 s
 Protection degree IP20
 Standards IEC/EN 60947-2; IEC/EN 62020
7.6.7.6 A18 – ERDF – Bus Bar Arrangement
The option Bus Bar Arrangement allows to have different neutral scheme connections, Genset start with
GCB open and 3 led for voltage presence and phase rotation.
ERDF Option is under definition on A18.
7.6.7.7 A18 – SBT – Switch Breaker Trip
The option SBT allows higher protection against direct contact.
When the generator is working in case of unexpected opening of the doors, the circuit breaker open and
the load is disconnected and an alarm is present in the control unit.
Compatibility:
all genset.
Incompatibility: IMD.
Available as: Supplement.
Compatibility:
All genset.
Incompatibility: ETB, ETB-G.
Available as: Supplement.
Compatibility:
Only with ACP.
Incompatibility: MRS
Available as: Supplement.