9
Sensitive earth-fault relay module SPCJ 1C7
Low-set stage I
0
>
Start current I
0
>, setting range
0.2...50% I
n
Operate time t>
0.05...10.0 s
High-set stage I
0
>>
Start current I
0
>>, setting range
1...200% I
n
and
∞
, infinite
Operate time t>>
0.05...10.0 s
Data communication
Transmission mode
Fibre-optic serial bus
Data code
ASCII
Selectable data transfer rates
300, 1200, 2400,
4800 or 9600 Bd
Fibre-optic bus connection module,
powered from the host relay
- for plastic fibre cables
SPA-ZC 21 BB
- for glass fibre cables
SPA-ZC 21 MM
Fibre-optic bus connection module with
a built-in power supply unit
- for plastic fibre cables
SPA-ZC 17 BB
- for glass fibre cables
SPA-ZC 17 MM
Test voltages *)
Dielectric test voltage (IEC 255-5)
2 kV, 50 Hz, 1 min
Impulse test voltage (IEC 255-5)
5 kV, 1.2/50
µ
s, 0.5 J
Insulation resistance (IEC 255-5)
>100 M
Ω
, 500 V dc
Disturbance tests *)
High-frequency (1 MHz) disturbance test
(IEC 255-22-1)
- common mode
2.5 kV
- differential mode
1.0 kV
Electrostatic discharge test (IEC 255-22-2
and IEC 801-2), class III
- air discharge
8 kV
- contact discharge
6 kV
Fast (5/50 ns) transients
- IEC 255-22-4, class III
- IEC 801-4, level IV:
power supply inputs
4 kV
other inputs
2 kV
Environmental conditions
Specified ambient service temperature range
-10...+55
°
C
Long term damp heat withstand acc. to IEC 68-2-3
<95%, +40
°
C, 56 d/a
Relative humidity acc. to IEC 68-2-30
93...95%, +55
°
C, 6 cycles
Transport and storage temperature range
-40...+70
°
C
Degree of protection by enclosure
for panel mounted relay
IP 54
Weight of relay including flush mounting case
3.0 kg
*) The tests do not apply to the serial port, which is used for the bus connection module only.