9
Combined overvoltage and undervoltage relay module SPCU 3C14
- see "Technical data" in the manual for the module.
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 µs, 0.5 J
Insulation resistance (IEC 255-5) >100 MΩ, 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.
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