16
Spare parts
Data communication
Transmission mode Fibre-optic data bus
Data code ASCII
Selectable data transfer rates 4800 Bd or 9600 Bd
Fibre-optic interfacing module See data sheet 34 SPA 12 EN1
“Technical data and
mounting instructions for
fibre-optic cables”
Test voltages
Insulation test voltage, inputs and outputs
between themselves and to the relay frame as
per IEC 255-5 2 kV, 50 Hz, 1 min.
Impulse test voltage, inputs and outputs
between themselves and to the relay frame as
per IEC 255-5 5 kV, 1.2/50 µs, 0.5 J
High frequency interference test voltage, in-
puts and outputs between themselves and to
the relay frame as per IEC 255-5 2.5 kV, 1 MHz
Spark interference test voltage, inputs and
outputs between themselves and to the relay
frame as per SS 436 15 03 4…8 kV
Environmental conditions
Specified ambient service temperature range -10…+55°C
Temperature influence on the operating values
of the relay over the specified ambient ser-
vice temperature range < 0.2 %/°C
Long term damp heat withstand according to
IEC 68-2-3 < 95 %, +40°C, 56 d/a
Transport and storage temperature range -40...+70°C
Degree of protection by enclosure of the re-
lay case when panel mounted IP 54
Mass of the relay 6.0 kg
Differential relay module for phase L1 SPCD 3C21
Differential relay module for phase L2 SPCD 3C22
Differential relay module for phase L3 SPCD 3C23
Power supply module
U
aux
= 80...265 V ac or dc SPGU 240A1
U
aux
= 18...80 V dc SPGU 48B2
Output relay module SPTR 5B4
Input/output module SPTE 6B3
Fibre-optic interfacing module See alternatives in data
sheet 34 SPA 12 EN1
“Technical data and
mounting instructions
for fibre-optic cables”
B
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