
15
Mode of operation
Command mode or continuous mode operation
Command mode operation
Max. close signal length t
PULSE
at
command mode operation
Setting range
0.2...20 s
Time permitted for checking and request
for CB closing t
CHECK
Setting range
0.05...300 s
Data transmission
Transmission mode
Fibre-optic serial bus
Data code
ASCII
Data transfer rates
4800 Bd or 9600 Bd
Bus connection module without external supply
- for plastic core cables
SPA-ZC 21 BB
- for glass fibre cables
SPA-ZC 21 MM
Bus connection module with external supply
- for plastic core cables
SPA-ZC 17 BB
- for glass fibre cables
SPA-ZC 17 MM
Test voltages
Insulation test voltage, inputs and outputs
between themselves and to the relay frame as
per IEC 255-5 and SS 436 15 03
2 kV, 50 Hz, 1 min
Impulse test voltage, inputs and outputs
between themselves and to the relay frame as
per IEC 255-5 and SS 436 15 03
5 kV, 1.2/50
µ
s, 0.5 J
Insulation resistance as per IEC 255-5
100 M
Ω
, 500 V dc
Disturbance tests
High frequency interference test voltage,
inputs and outputs between themselves
and to the relay frame as per IEC 255-22-1
and SS 436 15 03
2.5 kV, 1 MHz
Fast transients as per IEC 255-22-4
Class III, 2 kV
Electrostatic discharge test as per IEC 255-22-2
8 kV, 150 pF
Environmental conditions
Specified ambient service temperature range
-10...+55
°
C
Temperature influence on the operation values
of the relay over the specified ambient service
temperature range
<0.1%/
°
C
Long term damp heat withstand according
to IEC 68-2-3
<95% at 40
°
C, 96 h
Transport and storage temperature range
-40...+70
°
C
Degree of protection by enclosure of relay case
according to IEC 529 at panel mounting
IP54
Weight of relay
about 3.0 kg