Installation guide

A-17
Functions
and characteristics
Compact NS, Masterpact NT and NW
Types of mechanical interlocking Possible combinations Typical electrical diagrams Diagram no.
2 devices
DB101574
QN QR Compact NS100 to 630:
0 0 electrical interlocking without emergency
power off (EPO) auxiliaries:
b
51201177
1 0
with EPO by MNv 51201178
0 1
with EPO by MXv 51201179
Compact NS630b to 1600:
electrical interlocking with lockout after fault:b
permanent replacement source (without IVE)v 51201180
with EPO by MX (without IVE)v 51201181
with EPO by MN (without IVE)v 51201182
permanent replacement source (with IVE)v 51201183
with EPO by MX (with IVE)v 51201184
with EPO by MN (with IVE)v 51201185
automatic control without lockout after fault:b
permanent replacement source (without IVE)v 51201186
engine generator set (without IVE)v 51201187
Masterpact NT and NW:
electrical interlocking with lockout after fault:b
permanent replacement source (without IVE)v 51201139
with EPO by MX (without IVE)v 51201140
with EPO by MN (without IVE)v 51201141
permanent replacement source (with IVE)v 51201142
with EPO by MX (with IVE)v 51201143
with EPO by MN (with IVE)v 51201144
automatic control without lockout after fault:b
permanent replacement source (without IVE)v 51156226
engine generator set (without IVE)v 51156227
automatic control with lockout after fault:b
permanent replacement source (with IVE)v 51156904
engine generator set (with IVE)v 51156905
BA/UA controller (with IVE)b 51156903
Masterpact NW only
Types of mechanical interlocking Possible combinations Typical electrical diagrams Diagram no.
3 devices: 2 “Normal” sources and 1 “Replacement” source
DB101575
QN1 QN2 QR electrical interlocking:b
0 0 0 without lockout after faultv 51156906
1 1 0 with lockout after faultv 51156907
0 0 1
3 devices: 2 “Normal” sources and 1 “Replacement” source with source selection
DB101576
QN1 QN2 QR automatic control with engine generator set:b
0 0 0 without lockout after fault (with MN)v 51156908
1 0 0 with lockout after fault (with MN)v 51156909
0 0 1
1 1 0
0 1 0
3 devices: 3 sources, only one device
DB101577
QS1 QS2 QS3 electrical interlocking:b
0 0 0 without lockout after faultv 51156910
1 0 0 with lockout after faultv 51156911
0 1 0
0 0 1
3 devices: 2 sources + 1 coupling
DB101578
QS1 QC QS2 electrical interlocking:b
0 0 0 without lockout after faultv 51156912
1 0 1 with lockout after faultv 51156913
1 1 0 automatic control with lockout after faultb 51156914
0 1 1
1 0 0
(1)
0 0 1
(1)
(1) possible by forcing
operation
“Lockout after fault” option. This option makes it necessary to manually reset the device following fault tripping.
Remote-operated
source-changeover systems
Standard configurations
Livre 1.indb 17 08/10/2008 18:38:58