Product name
Eaton IZM32/IN32 circuit-breaker
Product Length/Depth
511 millimetre
Product height
514 millimetre
Product width
492 millimetre
Product weight
60.325 kilogram
Compliances
IEC
IEC/EN 60947
Product Tradename
IZM32/IN32
Product Type
Circuit-breaker
Product Specification Details
Adjustment range short-term delayed short-circuit release - max
8000 A
Adjustment range short-term delayed short-circuit release - min
480 A
Adjustment range undelayed short-circuit release - max
12000 A
Adjustment range undelayed short-circuit release - min
1600 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 fixed built-in technique
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
Heat dissipation at rated current with fixed mounting
40 W
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)
65 kA
Overload release current setting - max
800 A
Overload release current setting - min
320 A
Position of connection for main current circuit
Back side
Power of withdrawable switch with cassette
85 W
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
66 kA
Rated short-circuit making capacity up to 440 V, 50/60 Hz
145 kA
Rated short-circuit making capacity up to 690 V, 50/60 Hz
145 kA
Rated short-time withstand current (t = 1 s)
65 kA
Rated uninterrupted current (Iu)
800 A
Rated uninterrupted current (Iu) at 50°C
800 A
Rated uninterrupted current (Iu) at 60°C
800 A
Rated uninterrupted current (Iu) at 70°C
800 A
Release system
Electronic release
Suitable for
Main conducting paths with 65 kA in IT electrical power networks up to U = 440 V
Terminal capacity (copper bar)
5 mm x 50 mm (2x) for fixed mounting (black)
5 mm x 50 mm (2x) for withdrawable units (black)
Type
Air circuit breakers/switch-disconnector
Open circuit breaker
Voltage rating at AC
690 V AC
Weight of cassette version (3-pole)
34 kg
Weight of cassette version (4-pole)
38 kg
Weight of fixed mounting version (3-pole)
58 kg
Weight of fixed mounting version (4-pole)
72 kg
Weight of fixed withdrawable version (3-pole)
70 kg
Weight of fixed withdrawable version (4-pole)
88 kg