9.2 Tests and environmental
conditions
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9.1.9. Arc protection interface (option)
Number of arc sensor inputs
Sensor type to be connected
Current drain, when active
1.3…31 mA (NOTE! If the drain is outside the
range, either sensor or the wiring is defected)
1 (transistor controlled)
NOTE! Maximally three arc binary inputs can be connected to one arc binary
output without an external amplifier.
9.2. Tests and environmental conditions
9.2.1. Disturbance tests
2 kV, 5/50 ns, 5 kHz, +/-
2 kV, 1.2/50 s, common mode
1 kV, 1.2/50 s, differential mode
900 MHz, 10 V/m, pulse modulated
9.2.2. Test voltages
Insulation test voltage (IEC 60255-5)
Class III
Surge voltage (IEC 60255-5) Class III
9.2.3. Mechanical tests
Vibration (IEC 60255-21-1)
10...60 Hz, amplitude ±0.035 mm
60...150 Hz, acceleration 0.5g
20 periods in X-, Y- and Z axis direction
half sine, acceleration 5 g, duration 11 ms
3 shocks in X-, Y- and Z axis direction