Product name
Eaton IZM32/IN32 circuit-breaker
Product Length/Depth
511 millimetre
Product height
514 millimetre
Product width
492 millimetre
Product weight
86.925 kilogram
Product Tradename
IZM32/IN32
Product Type
Circuit-breaker
Product Specification Details
Adjustment range short-term delayed short-circuit release - max
40000 A
Adjustment range short-term delayed short-circuit release - min
2400 A
Adjustment range undelayed short-circuit release - max
60000 A
Adjustment range undelayed short-circuit release - min
8000 A
Ambient operating temperature - max
70 °C
Ambient operating temperature - min
-20 °C
Ambient storage temperature - max
70 °C
Ambient storage temperature - min
-20 °C
Closing delay via spring release
30 ms
Degree of protection
IP20
IP41 with door sealing frame
IP55 with protective cover
Device construction
Built-in device slide-in technique (withdrawable)
Direction of incoming supply
As required
Electrical connection type of main circuit
Rail connection
Features
Complete device with protection unit
Motor drive optional
Fitted with:
Switched-off indicator
Mounting Method
Withdrawable
Number of auxiliary contacts (change-over contacts)
4
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Number of poles
Three-pole
Number of standard mechanical operations per hour - max
60
Operating sequence up to 690 V, 50/60 Hz (IEC/EN 60947)
85 kA
Overload release current setting - max
4000 A
Overload release current setting - min
1600 A
Protection
Selective operation
Rated impulse withstand voltage (Uimp)
8 kV AC
Rated insulation voltage (Ui)
1000 V
Rated operating voltage (Ue) - min
690 V
Rated operating voltage (Ue) at AC - max
690 V
Rated short-circuit breaking capacity at 400 V, 50 Hz
85 kA
Rated short-circuit making capacity up to 440 V, 50/60 Hz
187 kA
Rated short-circuit making capacity up to 690 V, 50/60 Hz
187 kA
Rated short-time withstand current (t = 1 s)
85 kA
Rated short-time withstand current at 50/60 Hz (t = 3 s)
65 kA
Rated uninterrupted current (Iu)
4000 A
Rated uninterrupted current (Iu) at 50°C
4000 A
Rated uninterrupted current (Iu) at 60°C
3650 A
Rated uninterrupted current (Iu) at 70°C
3500 A
Release system
Electronic release
Suitable for
Main conducting paths with 85 kA in IT electrical power networks up to U = 440 V
Type
Air circuit breakers/switch-disconnector
Open circuit breaker
Voltage rating at AC
690 V AC
Weight of fixed mounting version (3-pole)
70 kg
Weight of fixed mounting version (4-pole)
89 kg
Weight of fixed withdrawable version (3-pole)
88 kg
Weight of fixed withdrawable version (4-pole)
115 kg