Siemens SENTRON 3VL series - Page 7

Table of contents
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
7
11.4 Derating factors .......................................................................................................................... 142
11.4.1 Use at altitudes above 2000 meters .......................................................................................... 142
11.4.2 Use under diverse ambient temperatures .................................................................................. 143
11.5 Power loss .................................................................................................................................. 150
11.6 Capacitor banks ......................................................................................................................... 152
11.7 Motor Protection ......................................................................................................................... 153
11.8 Motorized operating mechanisms .............................................................................................. 156
11.9 RCD modules ............................................................................................................................. 158
11.10 Undervoltage release ................................................................................................................. 159
11.11 Time-delay device for undervoltage releases ............................................................................ 160
11.12 Shunt release ............................................................................................................................. 161
11.13 Auxiliary switches and alarm switches ....................................................................................... 163
11.14 Position signaling switch ............................................................................................................ 164
11.15 Leading auxiliary switches in front-operated rotary operating mechanism ................................ 166
11.16 Ground-fault detection ............................................................................................................... 166
11.17 IP degrees of protection ............................................................................................................. 167
12 Dimensional drawings ......................................................................................................................... 169
12.1 VL160X (3VL1), VL160 (3VL2), and VL250 (3VL3), 3- and 4-pole, to 250 A ............................ 169
12.1.1 Molded case circuit breakers ..................................................................................................... 169
12.1.2 Operating mechanisms .............................................................................................................. 171
12.1.3 Connections and phase barriers ................................................................................................ 174
12.1.4 Terminal covers.......................................................................................................................... 176
12.1.5 Locking device for the toggle lever ............................................................................................ 177
12.1.6 Rear interlocking module ........................................................................................................... 177
12.1.7 Accessories ................................................................................................................................ 178
12.1.8 Door cutouts ............................................................................................................................... 179
12.1.9 Plug-in base and accessories .................................................................................................... 181
12.1.10 VL160X (3VL1), 3- and 4-pole, up to 160 A ............................................................................... 183
12.1.10.1 Plug-in base and accessories ............................................................................................... 183
12.1.11 VL160 (3VL) and VL250 (3VL3), 3- and 4-pole, up to 250 A ..................................................... 185
12.1.11.1 Withdrawable version and accessories ................................................................................ 185
12.2 VL400 (3VL4), 3- and 4-pole, up to 400 A ................................................................................. 189
12.2.1 Molded case circuit breakers ..................................................................................................... 189
12.2.2 Operating mechanisms .............................................................................................................. 190
12.2.3 Connections and phase barriers ................................................................................................ 194
12.2.4 Terminal covers.......................................................................................................................... 195
12.2.5 Rear interlocking module ........................................................................................................... 196
12.2.6 Locking devices, locking device for toggle lever and accessories ............................................. 196
12.2.7 Door cutouts ............................................................................................................................... 198
12.2.8 Plug-in base and accessories ....................................................................................................
200