Ampcontrol OCS - Page 50

Ampcontrol Pty Ltd – ABN 28 000 915 542
OCS USER MANUAL
MAG-182 Version 5 – FEB/2020
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 50 of 72
APPROVED FOR EXTERNAL DISTRIBUTION
– PROPERTY OF AMPCONTROL PTY LTD
– NOT TO BE REPRODUCED IN PART
AS/NZS2081:2011 Protection Functions
Residual Voltage
(Residual Voltage OCS Protection Element Only)
Trip Settings +/-10%
150V, 200V, 250V, 300V, 350V, 400V, 450V, 500V, 600V, 700V, 800V,
900V, 1000V, 1100V, 1200V, 1300V, 1400V, 1500V
Trip Time +0% -20%
600ms, 800ms, 1 s, 1.5s, 2s, 3s, 4s, 5s,
Earth Continuity
Series Trip +/-3Ω
10Ω, 15Ω, 20Ω, 25Ω, 30Ω, 35Ω, 40Ω, 45Ω
Shunt Trip
1.5kΩ
Pilot Interlock Trip
(Residual Voltage
Version Only)
100Ω
Trip Time
100ms, 150ms, 200ms, 250ms, 300ms, 350ms, 400ms, 450ms, 500ms
Additional Trip Times
for Residual Voltage
Version only
600ms, 800ms, 1s, 1.5s, 2s, 2.5s, 3s, 3.5s, 4s, 4.5s, 5s, OFF
Pilot Interlock Trip /
Shunt Trip Time
(Residual Voltage
Version Only)
100ms, 150ms, 200ms, 400ms, 500ms, OFF
Earth Fault Lockout
IS Test
1MΩ (all phases in parallel)
HV Insulation Test
OFF, 2.5MΩ, 5MΩ, 10MΩ, 20MΩ, 50MΩ
Contactor Protection
Loss of Coil Voltage
< 100ms
Loss of Vacuum
< 1s
Frozen Contactor
< 100ms
Loss of Contactor
Control
< 1s
Back EMF Time
2s, 5s, 10s, 15s, 20s
Loss of Control
< 1s
LOV Level
25VAC, 50VAC