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18/112 IZM circuit-breakers, IN switch-disconnectors
IN26 switch-disconnectors
2010 CA08103002Z-EN
www.eaton.comIN32N…08…
IN32N…10…
IN32N…12…
General
Standards
IEC/EN 60947
Ambient temperature
Storage
°C -40 - +70
Operation (open)
°C -25 - +70
Built-in position
Utility category
B
Protection type
IP20, IP54 with protective cover
Direction of incoming supply
Any
Main contacts
Rated operational current = Rated
uninterrupted current
I
n
= I
u
A 800
1000
1250
Rated uninterrupted current at 50 °C
1)
I
u
A 800
1000
1250
Rated uninterrupted current at 60 °C
1)
I
u
A 800
1000
1250
Rated uninterrupted current at 70 °C
1)
I
u
A 800
1000
1250
Rated impulse withstand voltage
U
imp
V AC 8000
8000
8000
Rated operational voltage
U
e
V AC 690
690
690
Use in IT electrical power networks
up to U = 440 V
I
IT
kA 13
13
13
Use in IT electrical power networks
up to U = 690 V
I
IT
kA 13
13
13
Overvoltage category/degree of pollution
III/3
III/3
III/3
Rated insulation voltage
U
i
V
1000
1000
1000
Switching capacity
Rated short-circuit making capacity
Up to 440 V 50/60 Hz
I
cm
kA 187
187
187
Up to 690 V 50/60 Hz
I
cm
kA 187
187
187
Rated short-time withstand current 50/60 Hz
t = 1 s
I
cw
kA 85
85
85
t = 3 s
I
cw
kA 65
65
65
Switching times
Total opening delay
ms 30
30
30
Closing delay
ms 35
35
35
Closing delay electrical
(via closing release)
ms 40
40
40
Opening delay electrical (via shunt
release / undervoltage release)
ms 35/70
35/70
35/70
Durability
Mechanical, without maintenance
Operations
10000
10000
10000
Mechanical, with maintenance
Operations
16000
16000
16000
Electrical, without maintenance
Operations
10000
10000
10000
Electrical, with maintenance
Operations
10000
10000
10000
Maximum operating frequency
Operations/h
60
60
60
Heat dissipation at rated operational current I
n
3-phase symmetric loading
Fixed
W 35
50
70
Withdrawable
W 70
95
140
Weight
Fixed
3 pole
kg 68
68
68
4 pole
kg 86
86
86
Withdrawable
3 pole
kg 80
80
80
4 pole
kg 102
102
102
Empty cassette
3 pole
kg 34
34
34
4 pole
kg 38
38
38
Notes
1)
Permissible continuous current for circuit-breakers used at different temperatures within switchgear.
The expected internal temperatures can be estimated according to the applicable IEC regulations.
30˚ 30˚
30˚ 30˚
IN...