Installation guide

A-6
Functions
and characteristics
A manual source-changeover system can be installed
on two or three manually-operated and mechanically
interlocked circuit breakers or switch-disconnectors.
Interlocks prevent connection to both sources at the
same time, even momentarily.
All possibilities for manual source-changeover systems
Type of device Type of interlocking for two devices
Complete
assembly
Keylock Direct rotary
handle
Extended
rotary handle
Interpact switch-disconnectors
INS40 to INS160
b
INS250-100 to INS630
b b rb rb
INV100 to 630
b rb r rb
INS/INV630b to 2500
b
Legend:
r Possible but visible break function disabled.
r 250 A and 630 A ratings can be mixed by using INS320/630 rotary handle interlocking system.
Type of device Type of interlocking for two devices
Toggle Keylock Direct rotary
handle
Extended rotary
handle
On base plate
(toggle or direct extended
rotary control)
On base plate
(motor mechanism)
Compact xed or withdrawable circuit breakers
NS100 to 250
b b
b b p
b b b b
b b b b b b
NS400 to NS630
b b
b b p
b b b b
b b b b b b
NS100 to 630 b b p
b b p b b p
b b b p b b b p
NS630b to 1600 with
rotary handle
b b p
b b b b
Legend:
b Fixed devices only.
b Fixed or withdrawable devices.
b Devices must be either both xed or both withdrawable.
p With NS400/630 rotary handle interlocking system.
p Possible with NS400/630 base plate + NS100-250 adaptation kit.
p Devices equipped with rotary handles.
Type of device Type of interlocking for either all xed or all withdrawable devices
Keylock Cable-type,
2 devices side-by-
side
Cable-type,
3 devices side-by-
side
Cable-type,
2 devices one
above the other
Cable-type,
3 devices one
above another
Rod-type,
3 devices one
above another
Compact xed or withdrawable circuit breakers or swith-disconnectors, with motor mechanism
NS630b to 1600
b b b b
Masterpact xed or withdrawable circuit breakers or swith-disconnectors, manual operation or with motor mechanism
NT06 to 16
b b b b
NW08 to 63
b b b b b b
NT06 to NW63
b b b
Manual source-changeover
systems
Possible combinations
Livre 1.indb 6 08/10/2008 18:38:46