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2010 CA08103002Z-EN
www.eaton.comIZM circuit-breakers
IZM26 circuit-breaker
18/43
IZM circuit-breakers
1
￫Page 18/49
PROFIBUS and Modbus
communication interfaces
2
￫Page 18/75
Main terminal kits
3
Vertical connections 3 and 4 pole
Front connections 3 and 4 pole
￫Page 18/79
Cassettes for withdrawable units
4
Cassettes 2000 A to 6300 A
￫Page 18/66
Control circuit terminal units
5
Either 2 or 15 units
￫Page 18/80
Position signalling switch for
withdrawable units
6
￫Page 18/68
Latch check switch
7
￫Page 18/71
Auxiliary contacts
8
Signalling switch ON-OFF, 2 C
￫Page 18/71
Locking cover of ON/OFF buttons
9
￫Page 18/72
Switching operations counters
10
￫Page 18/68
Trip units
11
Type A circuit-breakers
Type V circuit-breakers
Type U circuit-breakers
Circuit-breakers P-Part no.
￫Page 18/74
Door escutcheon
12
￫Page 18/80
Motor operator
13
Automatic charging of the spring-
operated stored energy mechanism
￫Page 18/68
Rating plug sensor and current
transformer
14
￫Page 18/76
Overload trip switch
15
Overcurrent trip (OTS), 2 C
￫Page 18/71
Voltage releases
16
￫Page 18/69
Closing releases
16
￫Page 18/69
Under voltage releases
16
￫Page 18/70
Key to type references
IZM 20
B
3
- A
08
W
IN
32
N
4
V
10
F
40
H
U
12
63
S
P
16
20
25
32
40
50
63
IZM, IN = Product family
Frame size
20
: Narrow 800 - 2000 A
32
: Standard 800 - 3200 A
40
: Double narrow 4000 A
63
: Double wide 4000 - 6300 A
Switching capacity
B
= Basic
N
= Normal
H
= High
S
= Special type for 1100 V (only for size 32, 3200 A)
Number of poles
3:
3 pole
4:
4 pole
Trip type
A
= System protection = Digitrip 520 LI
V
= Selective protection = Digitrip 520 LSI(G)
U
= Universal protection = Digitrip 520MC LSI(G)
P
= Universal protection with power measurement = Digitrip 1150i+ LSI(G)
Rated operational current
08
: 800 A
10
: 1000 A
12
: 1250 A
16
: 1600 A
20
: 2000 A
25
: 2500 A
32
: 3200 A
40
: 4000 A
50
: 5000 A
63
: 6300 A
Model
W
=Withdrawable
F
= Fixed