3
Contents
1. Overview ................................................................................................................................................................ 5
2. Protection Function and Other Features ................................................................................................................. 6
2.1 Introduction.......................................................................................................................................................... 6
2.2 Protection Elements ............................................................................................................................................. 7
2.2.1 Overload and Unbalance protection...................................................................................................................... 7
2.2.2 Overvoltage and Undervoltage Protection ............................................................................................................ 7
2.2.3 Hysteresis of threshold values ............................................................................................................................... 7
2.2.4 Output contacts ..................................................................................................................................................... 8
2.3 Other features ...................................................................................................................................................... 9
2.3.1 Natural unbalance compensation.......................................................................................................................... 9
2.3.2 Metering functions ................................................................................................................................................ 9
2.3.3 Alarm system ......................................................................................................................................................... 9
2.3.4 Digital Input ......................................................................................................................................................... 10
2.3.5 Fault recorder ...................................................................................................................................................... 10
2.3.6 Usage ................................................................................................................................................................... 12
3. Technical Specifications .........................................................................................................................................24
3.1 General ................................................................................................................................................................24
3.2 Current and Voltage Input ...................................................................................................................................24
3.3 Auxiliary Supply ...................................................................................................................................................24
3.4 Temperature Measuring ......................................................................................................................................24
3.5 Settings................................................................................................................................................................25
3.6 Output Contacts...................................................................................................................................................25
3.7 Connections .........................................................................................................................................................25
3.8 Interface ..............................................................................................................................................................26
3.9 Environmental Withstand ....................................................................................................................................26
3.10 Standards...........................................................................................................................................................26
4. Drawings................................................................................................................................................................27
4.1 Connection diagram.............................................................................................................................................27
4.2 Dimensions ..........................................................................................................................................................28
4.3 Diagram ...............................................................................................................................................................29
5. Applications...........................................................................................................................................................30
