IZM32B4-A12W 123756 EATON MOELLER Automatic switch, 4P, 1250A, removable without chassis

IZM32B4-A12W

123756

EATON - MOELLER

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Automatic switch, 4P, 1250A, removable without chassis

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Circuit-breakers IZM - EATON - MOELLER

Circuit Breakers IZM32 - EATON - MOELLER

* Brand new produt in its original packing covered by the warranties and certifications provided by EATON - MOELLER

Up to 35% discount for registered clients. * This article is obsolete. Please ask us for a quotation and we will check if there are units available or we will offer you an alternative product.
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IZM32B4-A12W 123756 EATON MOELLER Automatic switch, 4P, 1250A, removable without chassis

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Delivery programme
Product range
  Air circuit-breakers/switch-disconnectors
Product range
  Open circuit-breakers
Current Range
  over 4000 A
Protective function
  System protection
Installation type
  Withdrawable
Construction size
  IZM32
Release system
  Electronic release
Standard/Approval
  IEC
Number of poles
  4 pole
Degree of Protection
  IP20, IP55 with protective cover, IP41 with door sealing frame
Rated current = rated uninterrupted current
In = IuA1250
Breaking capacity Icu = Ics to 440 V 50/60 Hz
IcukA65
Breaking capacity Ics to 440 V 50/60 Hz
IcskA65
Overload release, min.
IrA500
Overload release, max.
IrA1250
Non-delayed
Ii = In x … 2 - 10
Notes 

Including rear connection main terminals and secondary terminal blocks according to ordered breaker options.

Note concerning the product 

Cassette needs to be ordered separately.

Technical data
General
Standards
  IEC/EN 60947
Ambient temperature
   
Storage
ϑ°C-25 - +70 (device with LCD-display -20 - +70)
Operating (open)
 °C-25 - +70 (device with LCD-display -20 - +70)
Mounting position
  >
 
  >
Utilization category
  B
Degree of Protection
  IP20, IP55 with protective cover, IP41 with door sealing frame
Direction of incoming supply
  as required
Main conducting paths
Rated current = rated uninterrupted current
In = IuA1250
Rated uninterrupted current at 50 °C
IuA1250
Rated uninterrupted current at 60 °C
IuA1250
Rated uninterrupted current at 70 °C
IuA1250
Rated impulse withstand voltage
UimpV AC8000
Rated operational voltage
UeV AC690
Use in IT electrical power networks up to U = 440 V
IITkA13
Overvoltage category/pollution degree
  III/3
Rated insulation voltage
UiV1000
Switching capacity
Rated short-circuit making capacity
Icm  
up to 440 V 50/60 Hz
IcmkA136
up to 690 V 50/60 Hz
IcmkA137
Rated short-time withstand current 50/60 Hz
   
t = 1 s
IcwkA65
Rated short-circuit breaking capacity Icn
Icn  
IEC/EN 60947 operating sequence Icu O-t-CO
   
up to 240 V 50/60 Hz
IcukA65
up to 440 V 50/60 Hz
IcukA65
up to 690 V 50/60 Hz
IcukA65
IEC/EN 60947 operating sequence Ics O-t-CO-t-CO
   
up to 240 V 50/60 Hz
IcskA65
up to 440 V 50/60 Hz
IcskA65
up to 690 V 50/60 Hz
IcskA65
Operating times
   
Closing delay via spring release
 ms30
Break times
 ms40
Total opening delay via shunt release
 ms35
Total opening delay via undervoltage release
 ms35/70
Total opening delay on non-delayed short-circuit release (up to complete arc quenching)
 ms35
Maximum operating frequency
Operations/h 60
Heat dissipation at rated current In
   
Fixed mounting
 W90
Withdrawable units (switch with cassette)
 W200
Weight
Fixed mounting
   
3-pole
 kg58
4-pole
 kg72
Withdrawable
   
3-pole
 kg70
4-pole
 kg88
Cassette
   
3 pole
 kg34
4 pole
 kg38
Terminal capacities
Copper bar
   
Fixed mounting
   
Black
 mm2 x 5 x 80
Withdrawable units
   
Black
 mm2 x 5 x 80
 
  

Permissible continuous current for circuit‐breakers operating in switchboards at various internal ambient temperatures. The switchboard’s internal ambient temperature should be estimated using the calculation methods of IEC regulation.

Other technical data (sheet catalogue)
  >Tripping characteristics for selective protection
>Notes - tripping characteristics
Design verification as per IEC/EN 61439(Show features)(Hide features)
Technical data for design verification
   
Operating ambient temperature min.
 °C-25
Operating ambient temperature max.
 °C70
Dimensions
>
>Tripping characteristics for selective protection
>>Notes - tripping characteristics

Datasheet - PDF

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