4.2 Standard Current Transformer Supervision 728
4.3 Differential Current Transformer Supervision 728
4.4 CB State and Condition Monitoring 728
4.5 PSL Timers 729
5 Measurements and Recording 730
5.1 General 730
5.2 Disturbance Records 730
5.3 Event, Fault and Maintenance Records 730
5.4 Fault Locator 730
6 Ratings 731
6.1 AC Measuring Inputs 731
6.2 Current Transformer Inputs 731
6.3 Voltage Transformer Inputs 731
6.4 Auxiliary Supply Voltage 731
6.5 Nominal Burden 732
6.6 Power Supply Interruption 732
6.7 Battery Backup 733
7 Input / Output Connections 734
7.1 Isolated Digital Inputs 734
7.1.1 Nominal Pickup and Reset Thresholds 734
7.2 Standard Output Contacts 734
7.3 High Break Output Contacts 735
7.4 Watchdog Contacts 735
8 Mechanical Specifications 736
8.1 Physical Parameters 736
8.2 Enclosure Protection 736
8.3 Mechanical Robustness 736
8.4 Transit Packaging Performance 736
9 Type Tests 737
9.1 Insulation 737
9.2 Creepage Distances and Clearances 737
9.3 High Voltage (Dielectric) Withstand 737
9.4 Impulse Voltage Withstand Test 737
10 Environmental Conditions 738
10.1 Ambient Temperature Range 738
10.2 Temperature Endurance Test 738
10.3 Ambient Humidity Range 738
10.4 Corrosive Environments 738
11 Electromagnetic Compatibility 739
11.1 1 MHz Burst High Frequency Disturbance Test 739
11.2 Damped Oscillatory Test 739
11.3 Immunity to Electrostatic Discharge 739
11.4 Electrical Fast Transient or Burst Requirements 739
11.5 Surge Withstand Capability 739
11.6 Surge Immunity Test 740
11.7 Immunity to Radiated Electromagnetic Energy 740
11.8 Radiated Immunity from Digital Communications 740
11.9 Radiated Immunity from Digital Radio Telephones 740
11.10 Immunity to Conducted Disturbances Induced by Radio Frequency Fields 740
11.11 Magnetic Field Immunity 741
11.12 Conducted Emissions 741
11.13 Radiated Emissions 741
11.14 Power Frequency 741
12 Regulatory Compliance 742
12.1 EMC Compliance: 2014/30/EU 742
12.2 LVD Compliance: 2014/35/EU 742
Contents P543i/P545i
xxii P54x1i-TM-EN-1