Specifications

Index
1. Description . . . . . . . . . . . . . . . . . . . . . . . 7
1.1. General characteristics . . . . . . . . . . . . . . . . . 7
1.2. External front view of the circuit-breaker . . . . . . . . 7
1.3. Rating plate . . . . . . . . . . . . . . . . . . . . . . . 7
1.3.1. Circuit-breaker rating plate . . . . . . . . . . . . . . . 7
1.3.2. Disconnector rating plate . . . . . . . . . . . . . . . . 7
1.4. Moving part construction characteristics . . . . . . . . 8
1.5. Fixed part construction characteristics . . . . . . . . . 8
2. Checking on receipt . . . . . . . . . . . . . . . . . . . 9
3. Storage, lifting and weights . . . . . . . . . . . . . . . 9
4. Installation . . . . . . . . . . . . . . . . . . . . . . . 10
4.1. Installation room . . . . . . . . . . . . . . . . . . . . 10
4.2. Installation of the fi xed circuit-breaker. . . . . . . . . 10
4.3. Installation of the fi xed part
of the withdrawable circuit-breaker . . . . . . . . . . 10
4.3.1. Preparation of the fi xed part . . . . . . . . . . . . . . 10
4.3.2. Installation of the fi xed part . . . . . . . . . . . . . . 11
4.3.3. Installation of the fi xed part on board a ship. . . . . . 11
4.4. Installation of the fl ange on the compartment door . . 11
5. Electrical connections . . . . . . . . . . . . . . . . . 12
5.1. Connections to the power circuit . . . . . . . . . . . 12
5.1.1. Shapes of the terminals . . . . . . . . . . . . . . . . 12
5.1.2. Examples of positioning the connection busbars
according to the types of terminals . . . . . . . . . . 12
5.1.3. Assembly procedure for the connection busbars . . . 14
5.2. Earthing . . . . . . . . . . . . . . . . . . . . . . . . 14
5.3. Wiring the circuit-breaker auxiliary circuits . . . . . . 14
5.3.1. Interfacing elements for fi xed circuit-breakers . . . . . 14
5.3.2. Withdrawable circuit-breaker . . . . . . . . . . . . . 15
5.4. Conversion of the auxiliary contacts or of the signalling
contacts (disconnected - test isolated - connected),
from normally closed (opening) to normally
open (closing) or vice versa . . . . . . . . . . . . . . 16
6. Putting into service . . . . . . . . . . . . . . . . . . 17
6.1. General procedures . . . . . . . . . . . . . . . . . . 17
7. Instructions for use . . . . . . . . . . . . . . . . . . 18
7.1. Operating and signalling parts . . . . . . . . . . . . 18
7.2. Circuit-breaker closing and opening procedures . . . 19
7.3. Racking-in/out operation. . . . . . . . . . . . . . . . 20
8. Maintenance. . . . . . . . . . . . . . . . . . . . . . 22
8.1. Warning . . . . . . . . . . . . . . . . . . . . . . . . 22
8.2. Maintenance programme . . . . . . . . . . . . . . . 22
8.2.1. Switch life . . . . . . . . . . . . . . . . . . . . . . . 22
8.2.2. Maintenance program . . . . . . . . . . . . . . . . . 23
8.3. First level maintenance operations . . . . . . . . . . 23
8.3.1. Preliminary operations: . . . . . . . . . . . . . . . . 23
8.3.2. Checks and general cleaning: . . . . . . . . . . . . . 23
8.3.3. Switch connections and connections between
the switch and the control panel. . . . . . . . . . . . 23
8.3.4. Dismantling tab and cap. . . . . . . . . . . . . . . . 24
8.3.5. Mechanical control . . . . . . . . . . . . . . . . . . 24
8.3.6. Electrical and mechanical accessories . . . . . . . . 25
8.3.7. Protection releases . . . . . . . . . . . . . . . . . . 25
8.3.8. Test with SD Testbus2 (optional) . . . . . . . . . . . 25
8.3.9. Maintenance operations; fi nal checks . . . . . . . . . 25
8.3.10. Interlock . . . . . . . . . . . . . . . . . . . . . . . . 25
8.4. Second level maintenance operations. . . . . . . . . 26
8.4.1. Preliminary operations: . . . . . . . . . . . . . . . . 26
8.4.2. General checks and cleaning: . . . . . . . . . . . . . 26
8.4.3. Connections between the switch and the control panel 26
8.4.4. Dismantling the tab, cap and arcing chambers . . . . 27
8.4.5. Mechanical control . . . . . . . . . . . . . . . . . . 28
8.4.6. Electrical and mechanical accessories . . . . . . . . 28
8.4.7. Checking contact wear . . . . . . . . . . . . . . . . 28
8.4.8. Protection releases . . . . . . . . . . . . . . . . . . 29
8.4.9. Test with SD Testbus2 (optional) . . . . . . . . . . . 29
8.4.10. Maintenance operations; fi nal checks:. . . . . . . . . 29
8.4.11. Interlock . . . . . . . . . . . . . . . . . . . . . . . . 30
8.4.12. Extractable. . . . . . . . . . . . . . . . . . . . . . . 30
9. Measures to be taken for any operating anomalies . . 31
10. Accessories . . . . . . . . . . . . . . . . . . . . . . 32
10.1. Electrical accessories . . . . . . . . . . . . . . . . . 32
10.2. Mechanical locks . . . . . . . . . . . . . . . . . . . 34
10.3. Spare parts and retrofi tting . . . . . . . . . . . . . . 36
11. Protection releases - General notes. . . . . . . . . . 37
11.1. Safety notes . . . . . . . . . . . . . . . . . . . . . . 37
11.1.1. Notes for dielectric stiffness tests . . . . . . . . . . . 38
11.2. Abbreviations and notes . . . . . . . . . . . . . . . . 38
11.2.1. Abbrevations. . . . . . . . . . . . . . . . . . . . . . 38
11.2.2. Notes . . . . . . . . . . . . . . . . . . . . . . . . . 38
12. SACE PR121/P Release - Identifi cation. . . . . . . . 39
12.1. Standard. . . . . . . . . . . . . . . . . . . . . . . . 39
12.2. Specifi cations . . . . . . . . . . . . . . . . . . . . . 39
12.2.1. General . . . . . . . . . . . . . . . . . . . . . . . . 39
12.2.2. Electrical characteristics. . . . . . . . . . . . . . . . 39
12.2.2.1. Self-supply. . . . . . . . . . . . . . . . . . . . . . . 39
12.2.2.2. Auxiliary power supply. . . . . . . . . . . . . . . . . 40
12.2.3. Environmental characteristics . . . . . . . . . . . . . 40
12.2.4. Communication bus . . . . . . . . . . . . . . . . . . 40
12.2.5. Protection functions . . . . . . . . . . . . . . . . . . 40
12.2.5.1. Calculating the RMS. . . . . . . . . . . . . . . . . . 40
12.2.5.2. Measuring Function . . . . . . . . . . . . . . . . . . 40
12.2.5.3. Watchdog . . . . . . . . . . . . . . . . . . . . . . . 40
12.2.6. Description of the protection functions . . . . . . . . 41
12.2.6.1. Protection “L”. . . . . . . . . . . . . . . . . . . . . . 41
12.2.6.1.1 Thermal memory “L” . . . . . . . . . . . . . . . . . . 41
12.2.6.2. Protection “S” . . . . . . . . . . . . . . . . . . . . . 41
12.2.6.2.1 Thermal memory “S”. . . . . . . . . . . . . . . . . . 41
12.2.6.3. Protection “I”. . . . . . . . . . . . . . . . . . . . . . 41
12.2.6.4. Protection “G” . . . . . . . . . . . . . . . . . . . . . 41
12.2.6.5. Protection against instantaneous short-circuit “Iinst” . 41
12.2.7. Summary table of protections . . . . . . . . . . . . . 41
12.2.8. Table of measurements . . . . . . . . . . . . . . . . 42
12.2.9. Trip curves. . . . . . . . . . . . . . . . . . . . . . . 42
12.2.9.1. Trip curves for functions L-I . . . . . . . . . . . . . . 42
12.2.9.2. Trip curves for functions L-S(t =k/I
2
)-I . . . . . . . . . 43
12.2.9.3. Trip curves for functions L-S(t=k)-I . . . . . . . . . . 43
12.2.9.4. Trip curves for function G . . . . . . . . . . . . . . . 44
12.3. Other functions . . . . . . . . . . . . . . . . . . . . 44
12.3.1. Indication of the cause of the trip and trip test button . 44
12.4. Putting into service . . . . . . . . . . . . . . . . . . 44
12.4.1. Connections . . . . . . . . . . . . . . . . . . . . . . 44
12.4.2. CS and TC connection check . . . . . . . . . . . . . 44
12.4.3. Current sensor connection for external neutral . . . . 44
12.5. User interface . . . . . . . . . . . . . . . . . . . . . 45
12.5.1. Trip Test . . . . . . . . . . . . . . . . . . . . . . . . 45
12.5.2. Initial settings . . . . . . . . . . . . . . . . . . . . . 45
12.5.3. Changing protection functions. . . . . . . . . . . . . 46
12.5.3.1. Example of settings . . . . . . . . . . . . . . . . . . 46
12.5.4. PR121/P default settings . . . . . . . . . . . . . . . 46
12.6. Operating instructions / Operation in service . . . . . 46
12.6.1. Neutral adjustment . . . . . . . . . . . . . . . . . . 46
12.6.2. Neutral adjustment specifi cations . . . . . . . . . . . 46
12.6.3. Replacing an electronic release . . . . . . . . . . . . 47
12.7. Defi nition of the alarms and signals
for the PR121/P unit . . . . . . . . . . . . . . . . . . 47
12.7.1. Optical signals . . . . . . . . . . . . . . . . . . . . . 47
12.7.2. Troubleshooting . . . . . . . . . . . . . . . . . . . . 48
12.7.3. In the case of a fault . . . . . . . . . . . . . . . . . . 48
12.8. Accessories . . . . . . . . . . . . . . . . . . . . . . 48
12.8.1. ABB SACE PR010/T test and confi guration unit . . . 48
12.8.2. BT030 USB communication unit . . . . . . . . . . . 48
12.8.3. PR021/K and HMI030 units . . . . . . . . . . . . . . 48
12.8.4. PR030/B power supply unit . . . . . . . . . . . . . . 48
12.8.5. Flex interfaces . . . . . . . . . . . . . . . . . . . . . 48
13. SACE PR122/P Release - Identifi cation. . . . . . . . 49
13.1. Standard. . . . . . . . . . . . . . . . . . . . . . . . 49
13.2. Specifi cations . . . . . . . . . . . . . . . . . . . . . 49
13.2.1. General . . . . . . . . . . . . . . . . . . . . . . . . 49
13.2.2. Electrical characteristics. . . . . . . . . . . . . . . . 50
13.2.2.1. Self-supply. . . . . . . . . . . . . . . . . . . . . . . 50
13.2.2.2. Auxiliary power supply. . . . . . . . . . . . . . . . . 50
L2234
L2778
L4681
L5179
Emax
3/161
Doc. No
Model
Apparatus
Scale
Page No
1SDH000460R0002
L5439