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NZMB1-S80-SVE
112727 NZMB1-S80-SVE
112727

Circuit-breaker, 3p, 80A, plug-in moduleSeries NZM..-S circuit-breakers cover all application cases with just four compact sizes and are suitable for the IEC market. Modular function groups always make mounting flexible. With magnetic short-circuit release in connection with overload relay. With short-circuit release without overload trip. Notes: circuit-breakers fulfill all requirements of the switching category AC-3.

Circuit-breaker, 3p, 80A, plug-in module
Series NZM..-S circuit-breakers cover all application cases with just four compact sizes and are suitable for the IEC market. Modular function groups always make mounting flexible. With magnetic short-circuit release in connection with overload relay. With short-circuit release without overload trip. Notes: circuit-breakers fulfill all requirements of the switching category AC-3.

Product range Circuit-breaker
Protective function Short-circuit protection
Standard/Approval IEC
Installation type Plug-in units
Release system Thermomagnetic release
Construction size NZM1
Description Motor protection in conjunction with overload relay
With short-circuit release
Without overload release Ir
IEC/EN 60947-4-1, IEC/EN 60947-2

The circuit-breaker fulfills all requirements for AC-3 switching category.

Number of poles 3 pole
Standard equipment Box terminal
Rated current = rated uninterrupted current [In = Iu] 80 A
400/415 V 50 Hz [Icu ] 25 kA
Short-circuit releases [Irm ]
>Non-delayed [Ii = In x …]
8 - 14
380 V 400 V [P] 37 kW
400 V [Ie ] 68 A
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
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) Temperature dependency, Derating
Rated current = rated uninterrupted current [In = Iu] 80 A
Rated surge voltage invariability [Uimp ]
>Main contacts
6000 V
Rated surge voltage invariability [Uimp ]
>Auxiliary contacts
6000 V
Rated operational voltage [Ue] 440 V AC
Overvoltage category/pollution degree III/3
Rated insulation voltage [Ui ] 690 V
Use in unearthed supply systems ≦ 440 V
Rated short-circuit making capacity [Icm ]
>240 V [Icm ]
63 kA
Rated short-circuit making capacity [Icm ]
>400/415 V [Icm ]
53 kA
Rated short-circuit making capacity [Icm ]
>440 V 50/60 Hz [Icm ]
53 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 ]
30 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 ]
25 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 ]
25 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 ]
30 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 ]
25 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 ]
18.5 kA
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.
Utilization category to IEC/EN 60947-2 A
Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release) [Operations] 20000
Lifespan, electrical
>AC-1
>400 V 50/60 Hz [Operations]
7500
Lifespan, electrical
>AC-1
>415 V 50/60 Hz [Operations]
7500
Lifespan, electrical
>Max. operating frequency
120 Ops/h
Total break time at short-circuit < 10 ms
Standard equipment Box terminal
Accessories required NZM1-XSVS
Optional accessories Screw connection
Tunnel terminal
connection on rear
Round copper conductor
>Box terminal
>Solid
1 x (10 - 16)
2 x (6 - 16) mm2
Round copper conductor
>Box terminal
>Stranded
1 x (10 - 70) 3)
2 x (6-25) mm2
Round copper conductor
>Box terminal
3) Up to 95 mm² can be connected depending on the cable manufacturer.
Round copper conductor
>Tunnel terminal
>Solid
1 x 16 mm2
Round copper conductor
>Tunnel terminal
>Stranded
>1-hole
1 x (25 - 95) mm2
Round copper conductor
>Bolt terminal and rear-side connection
>Direct on the switch
>Solid
1 x (10 - 16)
2 x (6 - 16) mm2
Round copper conductor
>Bolt terminal and rear-side connection
>Direct on the switch
>Stranded
1 x (10 - 70) 3)
2 x 25 mm2
Round copper conductor
>Bolt terminal and rear-side connection
>Direct on the switch
3) Up to 95 mm² can be connected depending on the cable manufacturer.
Al circular conductor
>Tunnel terminal
>Solid
1 x 16 mm2
Al circular conductor
>Tunnel terminal
>Stranded
>Stranded
1 x (25 - 95) mm2
Al circular conductor
>Bolt terminal and rear-side connection
>Direct on the switch
>Solid
1 x (10 - 16)
2 x (10 - 16) mm2
Al circular conductor
>Bolt terminal and rear-side connection
>Direct on the switch
>Stranded
1 x (25 - 35)
2 x (25 - 35) mm2
Cu strip (number of segments x width x segment thickness)
>Box terminal [min.]
2 x 9 x 0.8 mm
Cu strip (number of segments x width x segment thickness)
>Box terminal [max.]
9 x 9 x 0.8 mm
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Screw connection
M6
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Direct on the switch [min.]
12 x 5 mm
Copper busbar (width x thickness) [mm]
>Bolt terminal and rear-side connection
>Direct on the switch [max.]
16 x 5 mm
Control cables 1 x (0.75 - 2.5)
2 x (0.75 - 1.5) mm2
Rated operational current for specified heat dissipation [In] 80 A
Equipment heat dissipation, current-dependent [Pvid] 16.32 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.
Overload release current setting 0 - 0 A
Adjustment range undelayed short-circuit release 8 - 14 A
With thermal protection No
Phase failure sensitive No
Switch off technique Magnetic
Rated operating voltage 440 - 440 V
Rated permanent current Iu 80 A
Rated operation power at AC-3, 230 V 22 kW
Rated operation power at AC-3, 400 V 45 kW
Type of electrical connection of main circuit Other
Type of control element Rocker lever
Device construction Built-in device plug-in technique
With integrated auxiliary switch No
With integrated under voltage release No
Number of poles 3
Rated short-circuit breaking capacity lcu at 400 V, AC 25 kA
Degree of protection (IP) IP20
Height 201 mm
Width 95 mm
Depth 90 mm
Characteristic curve 123U184
Characteristic curve 1230DIA-58
Characteristic curve 1230DIA-51

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