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102478
Modelkode: NZMB2-S250-CNA

Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 3p, 250A, B2-S250-CNA

Produktspecifikationer
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General specifications

Product Name
Eaton Moeller series NZM molded case circuit breaker magnetic
Catalog Number
102478
EAN
4015081023660
Product Length/Depth
149 mm
Product Height
195 mm
Product Width
105 mm
Product Weight
2.345 kg
Compliances
RoHS conform
Certifications
CSA (File No. 22086)
UL/CSA
UL (File No. E31593)
CSA certified
UL listed
CE marking
IEC 60947-2
IEC/EN 60947
CSA-C22.2 No. 5-09
IEC
UL (Category Control Number DKPU2)
CSA (Class No. 1432-01)
UL 489
Specially designed for North America
Model Code
NZMB2-S250-CNA

Tekniske data – elektrisk

Application
  • Branch circuits, feeder circuits
  • Use in unearthed supply systems at 440 V
Type
Circuit breaker
Number of poles
Three-pole
Release system
Thermomagnetic release
Special features
  • Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn)
  • Rated current = rated uninterrupted current: 250 A
  • Switches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.
  • Motor protection in conjunction with contactor and overload relay
  • With short-circuit release
  • Without overload release Ir

Tekniske data – elektrisk

Rated operating power at AC-3, 230 V
75 kW
Rated operating power at AC-3, 400 V
132 kW
Rated operational current
250 A (660-690 V AC-3, making and breaking capacity)
300 A (415 V AC-1, making and breaking capacity)
300 A (400 V AC-1, making and breaking capacity)
Amperage Rating
250 A
Instantaneous current setting (Ii) - min
8 A
Instantaneous current setting (Ii) - max
10 A
Short-circuit release non-delayed setting - min
2000 A
Short-circuit release non-delayed setting - max
2500 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
30 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
18.5 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
18.5 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
63 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
53 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
53 kA
Rated operating power at AC-3, 230 V
75 kW
Rated operating power at AC-3, 400 V
132 kW
Short-circuit total breaktime
< 10 ms
Low-voltage HBC fuse - max
355 A gG/gL
Electrical connection type of main circuit
Screw connection
Isolation
300 V AC (between the auxiliary contacts)
500 V AC (between auxiliary contacts and main contacts)
Number of operations per hour - max
120
Handle type
Rocker lever
Utilization category
A (IEC/EN 60947-2)
Overvoltage category
III
Pollution degree
3
Lifespan, electrical
6500 operations at 415 V AC-3
7500 operations at 400 V AC-1
Direction of incoming supply
As required

Tekniske data – kommunikation

Voltage rating
440 V - 440 V
Rated operating voltage Ue (UL) - max
600 Y / 347 V, 480 V
Rated insulation voltage (Ui)
690 V
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
Rated operational current
250 A (660-690 V AC-3, making and breaking capacity)
300 A (415 V AC-1, making and breaking capacity)
300 A (400 V AC-1, making and breaking capacity)
Amperage Rating
250 A
Instantaneous current setting (Ii) - min
8 A
Instantaneous current setting (Ii) - max
10 A
Short-circuit release non-delayed setting - min
2000 A
Short-circuit release non-delayed setting - max
2500 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
30 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
18.5 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
18.5 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
63 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
53 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
53 kA
Rated operating power at AC-3, 230 V
75 kW
Rated operating power at AC-3, 400 V
132 kW
Short-circuit total breaktime
< 10 ms
Low-voltage HBC fuse - max
355 A gG/gL
Electrical connection type of main circuit
Screw connection
Isolation
300 V AC (between the auxiliary contacts)
500 V AC (between auxiliary contacts and main contacts)
Number of operations per hour - max
120
Handle type
Rocker lever
Utilization category
A (IEC/EN 60947-2)
Overvoltage category
III
Pollution degree
3
Lifespan, electrical
6500 operations at 415 V AC-3
7500 operations at 400 V AC-1
Direction of incoming supply
As required

Tekniske data – mekanisk

Mounting Method
Built-in device fixed built-in technique
Fixed
Degree of protection
IP20 (basic degree of protection, in the operating controls area)
IP20
Degree of protection (IP), front side
IP66 (with door coupling rotary handle)
IP40 (with insulating surround)
Degree of protection (terminations)
IP00 (terminations, phase isolator and strip terminal)
IP10 (tunnel terminal)
Protection against direct contact
Finger and back-of-hand proof to VDE 0106 part 100
Shock resistance
20 g (half-sinusoidal shock 20 ms)
Switch off technique
Magnetic
Climatic proofing
Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Lifespan, mechanical
20000 operations

Eksportér produktspecifikation

Serial Number Verified :
Authenticated:
The product is verified as being authentic; however, this does not guarantee the condition or fit for purpose of the product.

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Indtast dit 16-17-cifrede serienummer
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Declarations of conformity

Installationsvejledning

mCAD model

Tegninger

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