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NZMN4-AEF1200-NA
271113 NZMN4-AEF1200-NA
271113

Circuit-breaker, 3p, 1200ACircuit-breaker NZM4, 3 pole, Switching capacity SCCR 480Y/277 V 60 Hz( Icu ): 100 kA, Switching capacity SCCR 480 V 60 Hz( Icu ): 42 kA, Rated current = rated uninterrupted current (In = Iu ): 1200 A, Installation type: Fixed, Screw connection, Standard/Approval: UL/CSA, IEC, Protective function: System and cable protection

Circuit-breaker, 3p, 1200A
Circuit-breaker NZM4, 3 pole, Switching capacity SCCR 480Y/277 V 60 Hz( Icu ): 100 kA, Switching capacity SCCR 480 V 60 Hz( Icu ): 42 kA, Rated current = rated uninterrupted current (In = Iu ): 1200 A, Installation type: Fixed, Screw connection, Standard/Approval: UL/CSA, IEC, Protective function: System and cable protection

Product range Circuit-breaker
Protective function System and cable protection
Standard/Approval UL/CSA, IEC
Release system Electronic release
Installation type Fixed
Description Switches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.
Fixed overload releases Ir
R.m.s. value measurement and “thermal memory”
Frame size NZM4
Number of poles 3 pole
Standard equipment Screw connection
SCCR 480Y/277 V 60 Hz [Icu] 100 kA
SCCR 480 V 60 Hz [Icu] 42 kA
SCCR 600 V 60 Hz [Icu] 35 kA
Rated current = rated uninterrupted current [In = Iu] 1200 A
Overload trip [Ir ]Overload release, min. [Ir] 1200 A
Short-circuit releases [Irm ]
>Non-delayed [Ii = In x …]
2 - 12
Standards IEC/EN 60947
Protection against direct contact Finger and back of hand proof to VDE 0106 Part 100
Climatic proofing Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature
>Ambient temperature, storage
- 40 - + 70 °C
Ambient temperature
>Operation
-25 - +70 °C
Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC 60068-2-27 20 (half-sinusoidal shock 20 ms) g
Safe isolation to EN 61140
>Between auxiliary contacts and main contacts
500 V AC
Safe isolation to EN 61140
>between the auxiliary contacts
300 V AC
Weight 21 kg
Mounting position
>Mounting position
Vertical and 90° in all directions
  With XFI earth-fault release:
- NZM1, N1, NZM2, N2: vertical and 90° in all directions
with plug-in unit
- NZM1, N1, NZM2, N2: vertical, 90° right/left
with withdrawable unit:
- NZM3, N3: vertical, 90° right/left
- NZM4, N4: vertical
with remote operator:
- NZM2, N(S)2, NZM3, N(S)3, NZM4, N(S)4: vertical and 90° in all directions

Direction of incoming supply as required
Degree of protection
>Device
In the operating controls area: IP20 (basic degree of protection)
Degree of protection
>Enclosures
With insulating surround: IP40
With door coupling rotary handle: IP66
Degree of protection
>Terminations
Tunnel terminal: IP10
Phase isolator and strip terminal: IP00
Other technical data (sheet catalogue) Weight
Temperature dependency, Derating
Effective power loss
Rated surge voltage invariability [Uimp ]
>Main contacts
8000 V
Rated surge voltage invariability [Uimp ]
>Auxiliary contacts
6000 V
Rated operational voltage [Ue] 690 V AC
Overvoltage category/pollution degree III/3
Rated insulation voltage [Ui ] 1000 V
Use in unearthed supply systems ≦ 525 V
Rated short-circuit making capacity [Icm ]
>240 V [Icm ]
105 kA
Rated short-circuit making capacity [Icm ]
>400/415 V [Icm ]
105 kA
Rated short-circuit making capacity [Icm ]
>440 V 50/60 Hz [Icm ]
74 kA
Rated short-circuit making capacity [Icm ]
>525 V 50/60 Hz [Icm ]
53 kA
Rated short-circuit making capacity [Icm ]
>690 V 50/60 H [Ic]
40 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Icu to IEC/EN 60947 test cycle O-t-CO [Icu]
>240 V 50/60 Hz [Icu ]
50 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Icu to IEC/EN 60947 test cycle O-t-CO [Icu]
>400/415 V 50/60 Hz [Icu ]
50 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Icu to IEC/EN 60947 test cycle O-t-CO [Icu]
>440 V 50/60 Hz [Icu ]
35 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Icu to IEC/EN 60947 test cycle O-t-CO [Icu]
>525 V 50/60 Hz [Icu ]
25 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Icu to IEC/EN 60947 test cycle O-t-CO [Icu]
>690 V 50/60 Hz [Icu ]
20 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]
>240 V 50/60 Hz [Ics ]
37 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]
>400/415 V 50/60 Hz [Ics ]
37 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]
>440 V 50/60 Hz [Ics ]
26 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]
>525 V 50/60 Hz [Ics ]
19 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]
>690 V 50/60 Hz [Ics]
15 kA
Rated short-circuit breaking capacity Icn [Icn ]
>Maximum low-voltage h.b.c. fuse
2 x 630 A gG/gL
Rated short-circuit breaking capacity Icn [Icn ] Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit-breaker.
Technical data that diverge from products for the IEC market

Switching capacity of NA switches (UL489, CSA 22.2 No. 5.1)

Short-circuit current rating SCCR
>SCCR 240 V 60 Hz [Icu]
85 kA
Technical data that diverge from products for the IEC market

Switching capacity of NA switches (UL489, CSA 22.2 No. 5.1)

Short-circuit current rating SCCR
>SCCR 480Y/277 V 60 Hz [Icu]
100 kA
Technical data that diverge from products for the IEC market

Switching capacity of NA switches (UL489, CSA 22.2 No. 5.1)

Short-circuit current rating SCCR
>SCCR 480 V 60 Hz [Icu]
42 kA
Technical data that diverge from products for the IEC market

Switching capacity of NA switches (UL489, CSA 22.2 No. 5.1)

Short-circuit current rating SCCR
>SCCR 600 V 60 Hz [Icu]
35 kA
Rated short-time withstand current
>t = 0.3 s [Icw ]
19.2 kA
Rated short-time withstand current
>t = 1 s [Icw ]
19.2 kA
Utilization category to IEC/EN 60947-2 A
Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release) [Operations] 10000
Lifespan, electrical
>AC-1
>400 V 50/60 Hz [Operations]
3000
Lifespan, electrical
>AC-1
>690 V 50/60 Hz [Operations]
2000
Lifespan, electrical
>AC--3
>400 V 50/60 Hz [Operations]
2000
Lifespan, electrical
>AC--3
>415 V 50/60 Hz [Operations]
2000
Lifespan, electrical
>AC--3
>690 V 50/60 Hz [Operations]
1000
Lifespan, electrical
>Max. operating frequency
60 Ops/h
Total break time at short-circuit < 25 ≦ 415 V; < 35 > 415 V ms
Standard equipment Screw connection
Round copper conductor
>Tunnel terminal
>Stranded
>4-hole
4 x (1/0 - 500) mm2
Round copper conductor
>Bolt terminal and rear-side connection
>Direct on the switch
>Stranded
1 x (250 … 350)
4 x (0 … 350) mm2
Round copper conductor
>Bolt terminal and rear-side connection
>Module plate
>Single hole [min.]
1 x (250 - 600) mm2
Round copper conductor
>Bolt terminal and rear-side connection
>Module plate
>Single hole [max.]
2 x (3/0 - 600) mm2
Round copper conductor
>Bolt terminal and rear-side connection
>Module plate
>Double hole [min.]
2 x (3/0 - 350) mm2
Round copper conductor
>Bolt terminal and rear-side connection
>Module plate
>Double hole [max.]
4 x (2 - 350) mm2
Round copper conductor
>Bolt terminal and rear-side connection
>Connection width extension
>Connection width extension
4 x 600
6 x (3/0 - 500) mm2
Al conductors, Cu cable
>Tunnel terminal
>Stranded
>4-hole
4 x (50 - 240) mm2
Al conductors, Cu cable
>Bolt terminal and rear-side connection
>Flat copper strip, with holes [min.]
(2 x) 10 x 50 x 1.0 mm
Al conductors, Cu cable
>Bolt terminal and rear-side connection
>Flat copper strip, with holes [max.]
(2 x) 10 x 50 x 1.0 mm
Al conductors, Cu cable
>Bolt terminal and rear-side connection
>Connection width extension
(2 x) 10 x 80 x 1.0 mm
Cu strip (number of segments x width x segment thickness)
>Flat conductor terminal [min.]
6 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness)
>Flat conductor terminal [max.]
(2 x) 10 x 32 x 1.0 mm
Cu strip (number of segments x width x segment thickness)
>Module plate
>Single hole
(2 x) 10 x 50 x 1.0 mm
Cu strip (number of segments x width x segment thickness)
>Bolt terminal and rear-side connection
>Flat copper strip, with holes [min.]
(2 x) 10 x 50 x 1.0 mm
Cu strip (number of segments x width x segment thickness)
>Bolt terminal and rear-side connection
>Flat copper strip, with holes [max.]
(2 x) 10 x 50 x 1.0 mm
Cu strip (number of segments x width x segment thickness)
>Bolt terminal and rear-side connection
>Connection width extension
(2 x) 10 x 80 x 1.0 mm
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Screw connection
M10
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Direct on the switch [min.]
25 x 5 mm
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Direct on the switch [max.]
2 x (50 x 10)
2 x (80 x 10) mm
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Module plate
>Single hole [min.]
25 x 5 mm
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Module plate
>Single hole [max.]
2 x (50 x 10)
mm
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Module plate
>Double hole
2 x (50 x 10) mm
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Connection width extension
>Connection width extension [min.]
60 x 10 mm
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Connection width extension
>Connection width extension [max.]
2 x (80 x 10) mm
Control cables 1 x (18 … 14)
2 x (18 … 16) mm2
Rated operational current for specified heat dissipation [In] 1200 A
Equipment heat dissipation, current-dependent [Pvid] 160 W
Operating ambient temperature min. -25 °C
Operating ambient temperature max. +70 °C
10.2 Strength of materials and parts
>10.2.2 Corrosion resistance
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts
>10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts
>10.2.7 Inscriptions
Meets the product standard´s requirements.
10.3 Degree of protection of ASSEMBLIES Does not apply, since the entire switchgear needs to be evaluated.
10.4 Clearances and creepage distances Meets the product standard´s requirements.
10.5 Protection against electric shock Does not apply, since the entire switchgear needs to be evaluated.
10.6 Incorporation of switching devices and components Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections Is the panel builder´s responsibility.
10.8 Connections for external conductors Is the panel builder´s responsibility.
10.9 Insulation properties
>10.9.2 Power-frequency electric strength
Is the panel builder´s responsibility.
10.9 Insulation properties
>10.9.3 Impulse withstand voltage
Is the panel builder´s responsibility.
10.9 Insulation properties
>10.9.4 Testing of enclosures made of insulating material
Is the panel builder´s responsibility.
10.10 Temperature rise The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.11 Short-circuit rating Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Rated permanent current Iu 1200 A
Rated voltage 690 - 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz 50 kA
Overload release current setting 1200 - 1200 A
Adjustment range short-term delayed short-circuit release 0 - 0 A
Adjustment range undelayed short-circuit release 2400 - 14400 A
Integrated earth fault protection No
Type of electrical connection of main circuit Screw connection
Device construction Built-in device fixed built-in technique
Suitable for DIN rail (top hat rail) mounting No
DIN rail (top hat rail) mounting optional No
Number of auxiliary contacts as normally closed contact 0
Number of auxiliary contacts as normally open contact 0
Number of auxiliary contacts as change-over contact 0
With switched-off indicator No
With under voltage release No
Number of poles 3
Position of connection for main current circuit Front side
Type of control element Rocker lever
Complete device with protection unit Yes
Motor drive integrated No
Motor drive optional Yes
Degree of protection (IP) IP20
Product Standards UL 489; CSA-C22.2 No. 5-09; IEC 60947-2; CE marking
UL File No. E31593
UL Category Control No. DIVQ
CSA File No. 022086
CSA Class No. 1432-01
North America Certification UL listed, CSA certified
Specially designed for North America Yes
Suitable for Feeder circuits, branch circuits
Current Limiting Circuit-Breaker No
Max. Voltage Rating 600 V
Degree of Protection IEC: IP20; UL/CSA Type: -
Characteristic curve 123U173

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