368 / 543
18/38 IZM circuit-breakers, IN switch-disconnectors
IZM26 air circuit-breakers
2010 CA08103002Z-EN
www.eaton.comIZM26aircircuit-breakers
I
cu
I
cu
:
I
cs
:
= I
cs
at U
e
= 440/690 (1100) V AC
Rated ultimate short-circuit breaking capacity
at rated operational voltage U
e
rated service short-circuit breaking capacity
at rated operational voltage U
e
Basic
switching capacity
(B)
Normal switching
capacity (N)
High switching
capacity (H)
(S)
Circuit-breaker
Rated operational current I
n
A
440/690 V AC
I
cu
/I
cs
kA/kA
440/690 V AC
I
cu
/I
cs
kA/kA
440/690 V AC
I
cu
/I
cs
kA/kA
1100 V AC
I
cu
/I
cs
kA/kA
IZM20
800 - 1600
50/50
65/65
-
-
IZM20
2000
50/50
65/65
-
-
IZM32
800 - 1600
65/65
85/85
100/85
-
IZM32
2000 - 3200
65/65
85/85
100/85
-
IZM40
4000
-
85/65
100/65
-
IZM63
4000 - 6300
-
85/85
100/100
-
IZM32S
3200
-
-
-
25
I
cu
I
cw
I
cw
:
= I
cs
at U
e
= 440/690 (1100) V AC
at t = 1 s/t = 3 s
Rated short-time withstand current
Basic
switching capacity (B)
Normal switching capacity (N) High switching capacity (H)
Circuit-breaker
Rated operational current
I
n
A
t = 1 s/t = 3s
I
cw
/I
cw
kA/kA
t = 1 s/t = 3s
I
cw
/I
cw
kA/kA
t = 1 s/t = 3s
I
cw
/I
cw
kA/kA
IZM20
800 - 1600
50/-
65/40
-
IZM20
2000
50/30
65/40
-
IZM32
800 - 1600
65/-
85/65
85/65
IZM32
2000 - 3200
65/50
85/65
85/65
IZM40
4000
-
85/65
100/65
IZM63
4000 - 6300
-
85/65
100/65
IZM26