11
EATON
www.eaton.com
Auxiliary contact
Internal auxiliary contact
• IZM65/67/69
GB818 3×M4×16
*%îĭ
*%îĭ
External auxiliary contact
For IZM65/67 series circuit breakers, external auxiliary contacts
are needed when there are more than 4 open and 4 closed auxil-
iary contacts.
External auxiliary contact terminal numbers
62 64 65 67 68 70 71 73 74 76 77 79 80 82 83 85 86 88 89 91
63
66
69
72
75
78
81
84
87
90
Rated operating
voltage U
e
(V)
Rated control
capacity
Conventional
thermal
current I
th
(A)
Auxiliary contact
AC400
800VA
6
AC230
DC220
300W
DC110
Undervoltage and Novoltage releases
Undervoltage
• IZM65/67/69
GB29.2 2×M4×62
GB97 2×
4
GB93 2×
4
In areas prone to thunderstorms or in power grids with unstable
power supply voltage, it is recommended to use under voltage
trip units with time delay functions, to prevent the circuit breaker
from tripping due to short-time voltage drop. The delay time can
be selected usually from 1s, 3s, 5s, to 10s by users. For special
requirements on the delay time, please contact Eaton.
Rated operating voltage U
e
(V)
AC230
AC400
Action type
Type
Code
Instantaneous
Q11
Q21
Delay time 1s
Q14
Q24
Delay time 3s
Q15
Q25
Delay time 5s
Q16
Q26
Delay time 10s
Q17
Q27
Actuating voltage (V)
(0.35-0.7) U
e
Reliable closing voltage (V)
(0.85-1.1) U
e
Reliable no-closing voltage (V)
≤
0.35 U
e
Power loss
15VA
Novoltage releases
• IZM65/67/69
Rated operational voltage U
e
(V)
230VAC/220DC
AC400
Action type
Type
Code
Instantaneous
Q51
Q61
Delay time 0.3s
Q58
Q68
Delay time 0.5s
Q59
Q69
Delay time 0.7s
Q5A
Q6A
Delay time 1s
Q54
Q64
Delay time 3s
Q55
Q65
Delay time 5s
Q56
Q66
Actuating voltage (V)
(0.1-0.35) U
e
Reliable closing voltage (V)
(0.85-1.1) U
e
Reliable no-closing voltage (V)
≤
0.35 U
e
Power loss
3.24VA
6.36VA
Instruction Leafl et
Effective September 2022
IZM6 Series Air Circuit Breaker
Operating Instruction Leafl et