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Circuit-breakers, switch-disconnectors
Mechanical interlock for (door-coupling) rotary handles
2010 CA08103002Z-EN
www.eaton.com17/151
Mechanical interlock for (door-coupling) rotaryhandles
Interlock variations and combination possibilities
A
B
OFF
OFF
ON/TRIP
ON/TRIP
A
B
C
OFF
OFF
OFF
ON/TRIP
ON/TRIP
ON/TRIP
A
B
C
OFF
OFF
OFF
ON/TRIP
ON/TRIP
ON/TRIP
A
B
C
D
OFF
OFF
OFF
OFF
ON/TRIP
ON/TRIP
ON/TRIP
ON/TRIP
X
3p
= switch spacing, 3 pole
X
4p
= switch spacing, 4 pole
NZM-
Right switch
Max. switch spacing
NZM1
NZM2
NZM3
NZM4
X
3P
X
4P
X
3P
X
4P
X
3P
X
4P
X
3P
X
4P
Left switch
mm
mm
mm
mm
mm
mm
mm
mm
NZM1
3/4 pole
135
105
120
85
135
90
125
80
NZM2
3/4 pole
135
105
120
85
135
90
125
80
NZM3
3/4 pole
90
75
75
35
85
40
80
45
NZM4
3/4 pole
50
35
40
15
25
–
15
–
NZM-XBZ600
Right switch
Max. switch spacing
NZM1
NZM2
NZM3
NZM4
X
3P
X
4P
X
3P
X
4P
X
3P
X
4P
X
3P
X
4P
Left switch
mm
mm
mm
mm
mm
mm
mm
mm
NZM1
3/4 pole
510
480
495
460
510
465
475
405
NZM2
3/4 pole
510
480
495
460
510
465
475
405
NZM3
3/4 pole
460
430
450
410
460
415
460
390
NZM4
3/4 pole
400
370
380
340
400
375
390
320
NZM-XBZ1000
Right switch
Max. switch spacing
NZM1
NZM2
NZM3
NZM4
X
3P
X
4P
X
3P
X
4P
X
3P
X
4P
X
3P
X
4P
Left switch
mm
mm
mm
mm
mm
mm
mm
mm
NZM1
3/4 pole
910
880
895
860
910
865
865
795
NZM2
3/4 pole
910
880
895
860
910
865
865
795
NZM3
3/4 pole
820
790
850
810
860
815
860
790
NZM4
3/4 pole
750
720
730
700
800
775
790
720
A
B
ON
ON
A
B
C
ON
ON
ON
A
B
C
ON
ON
ON
ON
ON
ON
A
B
D
C
ON
ON
ON
ON
x
3P
x
4P
x
3P
x
4P
NZM, NZM...-XBZ-...