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SENTRON 3VL series
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Displays and
operator
contr
ols
8.2
Overc
urrent tr
ip unit
with LCD
disp
lay
3VL IEC molded case circuit breakers
System Manual
,
11/2013
,
110 0110
-
02 DS 03
117
Figure
8-1
MENU on t
he LCD disp
lay of
the o
vercurrent
releas
e
116
118
Table of Contents
Main Page
Default Chapter
3
System Manual, 11/2013, 110 0110 - 02 DS
3
Table of Contents
5
1 About this Document
11
Introduction
11
Technical Support
11
2 Product-Specific Information
13
Important Notes
13
Ordering Data
15
3 Product Description
17
Overview 3VL
17
Application Overview
20
Configuration
22
Functional Principle
22
Subdivision According to Power Ranges
22
Thermal-Magnetic Overcurrent Trip Units
23
Electronic Overcurrent Trip Unit (ETU)
24
Mechanical Operating Mechanisms
26
Toggle Lever Operating Mechanism
26
Rotary Mechanism on Front (Optional)
27
Door-Coupling Rotary Operating Mechanism (Optional)
29
Side Panel Rotary Operating Mechanism (Optional)
30
Motorized Operating Mechanisms (Optional)
32
Motorized Operating Mechanism with Stored Energy Mechanism (SEO)
33
Motorized Operating Mechanism (MO)
34
4 Functions
35
Protection Functions
35
Overcurrent Release
35
Function Overview of the Overcurrent Release
36
Setting Options of the Overcurrent Release
38
General Technical Data of the Overcurrent Release
40
Differential Current Protection with RCD Module
44
Single-Pole Operation with RCD Module
48
Ground-Fault Protection
49
Internal Accessories
51
Possible Complements for the Insulated Accessory Compartments
51
Undervoltage Release
52
Shunt Release
53
Auxiliary Switches and Alarm Switches
54
5 Application Planning
57
Use with Frequency Converters
57
Use of Capacitor Banks
58
Transformer Protection on the Primary Side
59
Use in DC Systems
60
Use in IT Systems
62
Use in Motor Protection
64
Use in Unusual Environments
67
Use in Series Connection
69
Use in Transfer Control System
71
Use in Communication Environment
74
6 Installing/Mounting
77
Installation Methods
77
Mounting and Safety Clearances
80
Locking Devices
84
Locking Devices for a Padlock
84
Locking Device with a Safety Lock
86
Mutual Interlocking of Two Molded Case Circuit Breakers
86
7 Connecting
89
Cables and Busbars
89
Main Connection Types for Fixed Mounting
99
Main Connection Methods for Plug-In and Withdrawable Version
106
8 Displays and Operator Controls
109
Overcurrent Trip Unit Without LCD Display
109
Overcurrent Trip Unit with LCD Display
114
9 Parameter Assignment / Addressing
119
Setting the Parameters
119
Setting the Protection Parameters for Motor Protection (ETU10M, ETU30M and LCD-ETU 40M)
123
10 Service and Maintenance
125
Preventive Measures
125
Troubleshooting
127
11 Technical Data
129
General Data - 3VL Molded Case Circuit Breakers
129
Technical Overview
132
Configuration of Main Connections
136
Derating Factors
142
Use at Altitudes above 2000 Meters
142
Use under Diverse Ambient Temperatures
143
Power Loss
150
Capacitor Banks
152
Motor Protection
153
Motorized Operating Mechanisms
156
RCD Modules
158
Undervoltage Release
159
Time-Delay Device for Undervoltage Releases
160
Shunt Release
161
Auxiliary Switches and Alarm Switches
163
Position Signaling Switch
164
Leading Auxiliary Switches in Front-Operated Rotary Operating Mechanism
166
Ground-Fault Detection
166
IP Degrees of Protection
167
12 Dimensional Drawings
169
VL160X (3VL1), VL160 (3VL2), and VL250 (3VL3), 3- and 4-Pole, to 250 a
169
Molded Case Circuit Breakers
169
Operating Mechanisms
171
Connections and Phase Barriers
174
Terminal Covers
176
Locking Device for the Toggle Lever
177
Rear Interlocking Module
177
Accessories
178
Door Cutouts
179
Plug-In Base and Accessories
181
VL160X (3VL1), 3- and 4-Pole, up to 160 a
183
Plug-In Base and Accessories
183
VL160 (3VL) and VL250 (3VL3), 3- and 4-Pole, up to 250 a
185
Withdrawable Version and Accessories
185
VL400 (3VL4), 3- and 4-Pole, up to 400 a
189
Molded Case Circuit Breakers
189
Operating Mechanisms
190
Connections and Phase Barriers
194
Terminal Covers
195
Rear Interlocking Module
196
Locking Devices, Locking Device for Toggle Lever and Accessories
196
Door Cutouts
198
Plug-In Base and Accessories
200
VL630 (3VL5), 3- and 4-Pole, up to 630 a
206
Molded Case Circuit Breakers
206
Operating Mechanisms
207
Connections and Phase Barriers
210
Terminal Covers
211
Rear Interlocking Module
212
Locking and Locking Device for Toggle Lever
213
Accessories
213
Door Cutouts
214
Plug-In Base and Accessories
216
Withdrawable Version and Accessories
218
VL800 (3VL6), 3- and 4-Pole, up to 800 a
222
Molded Case Circuit Breakers
222
Operating Mechanisms
223
Withdrawable Version
225
Connections and Phase Barriers
230
Terminal Covers
231
Locking and Locking Device for Toggle Lever
232
Rear Interlocking Module
233
Accessories
234
Door Cutouts
235
VL1250 (3VL7) and VL1600 (3VL8), 3- and 4-Pole, up to 1600 a
237
Molded Case Circuit Breakers
237
Operating Mechanisms
238
Withdrawable Version
240
Connections and Phase Barriers
244
Terminal Covers
245
Rear Interlocking Module
248
Locking and Locking Device for Toggle Lever
249
Accessories
249
Door Cutouts
250
Current Transformer
251
12.6 Interlocks for VL160X (3VL1) to VL800 (3VL6), 3- and 4-Pole, up to 800 a
252
Locking with Bowden Wire
252
VL160X (3VL1) with RCD Block, 3- and 4-Pole, up to 160 a
253
Molded Case Circuit Breakers
253
Connections and Phase Barriers
254
Terminal Covers
256
Door Cutouts
257
Plug-In Base and Accessories
260
VL160 (3VL2) and VL250 (3VL3) with RCD Module, 3- and 4-Pole, to 250 a
262
Molded Case Circuit Breakers
262
Connections and Phase Barriers
263
Terminal Covers
265
Door Cutouts
267
Plug-In Base and Accessories
269
VL400 (3VL4) with RCD Module, 3- and 4-Pole, up to 400 a
275
Molded Case Circuit Breakers
275
VL400 (3VL4) Molded Case Circuit Breaker with RCD Front Connection Bar (Connections and Interphase Barriers)
277
Terminal Covers
279
Door Cutouts
281
Plug-In Base and Accessories
283
Door-Coupling Rotary Operating Mechanisms 8UC
288
4NC Current Transformers for Measuring Purposes
291
COM20/COM21 (Communication Module for SENTRON 3VL)
292
13 Circuit Diagrams
293
14 Spare Parts/Accessories
303
Installation
303
Appendix
307
Table of Abbreviations
307
A.1 Table of Abbreviations
307
Standards and Specifications
308
Comprehensive Support from a to Z
310
Index
313
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