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NZMH2-A300-S1 107577 EATON ELECTRIC Circuit-breaker, 3p, 300A, 1000 V
NZMH2-A300-S1
107577
EATON-MOELLER
Circuit-breaker, 3p, 300A, 1000 V
NZMH2-A300-S1
Low-voltage industrial components > Power circuit-breaker for trafo/generator/installation protection
Circuit Breakers NZM
* Brand new product in its original packaging covered by the warranties and certifications provided by EATON-MOELLER
More info
▲Circuit-breaker, 3p, 300A, 1000 V
Circuit-breaker NZM2, 3 pole, Switching capacity 1000 V 50/60 Hz( Ics): 10 kA, Rated current = rated uninterrupted current( In = Iu): 300 A, Installation type: Fixed, Screw connection, Standard/Approval: IEC, Protective function: System and cable protection
Delivery program
Product range
Circuit-breaker
Protective function
System and cable protection
Standard/Approval
IEC
Installation type
Fixed
Release system
Thermomagnetic release
Construction size
NZM2
Description
NZM...S1 terminal type: NZM...XKSA cover required
Number of poles
3 pole
Standard equipment
Screw connection
Rated current = rated uninterrupted current [In= Iu]
300 A
Switching capacity
1000 V 50/60 Hz [Icu]
10 kA
Setting range
Overload trip
[Ir]
[Ir]120 - 300 A
Short-circuit releases
[Irm]Non-delayed
[Ii= Inx …]
[Irm]Non-delayed[Ii= Inx …]5 - 8.3
Technical data
Circuit-breakers
Rated surge voltage invariability [Uimp]Main contacts
8000 V
Rated surge voltage invariability [Uimp]Auxiliary contacts
6000 V
Rated operational voltage [Ue]
1000 V AC
Rated current = rated uninterrupted current [In= Iu]
300 A
Overvoltage category/pollution degree
III/3
Rated insulation voltage [Ui]
1000 V
Utilization category
A
Ambient temperatureAmbient temperature, storage
- 40 - + 70 °C
Ambient temperatureOperation
-25 - +70 °C
Rated short-circuit making capacity [Icm]
240 V 50/60 Hz [Icm]
330 kA
400/415 V 50/60 Hz [Icm]
330 kA
440 V 50/60 Hz [Icm]
286 kA
525 V 50/60 Hz [Icm]
105 kA
690 V 50/60 H [Ic]
40 kA
1000 V 50/60 Hz [Icm]
17 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]
150 kA
Icu to IEC/EN 60947 test cycle O-t-CO [Icu]400/415 V 50 Hz [Icu]
150 kA
Icu to IEC/EN 60947 test cycle O-t-CO [Icu]440 V 50/60 Hz [Icu]
130 kA
Icu to IEC/EN 60947 test cycle O-t-CO [Icu]525 V 50/60 Hz [Icu]
12 kA
Icu to IEC/EN 60947 test cycle O-t-CO [Icu]690 V 50/60 Hz [Icu]
12 kA
Icu to IEC/EN 60947 test cycle O-t-CO [Icu]1000 V 50/60 Hz [Icu]
10 kA
Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]230 V 50/60 Hz [Ics]
150 kA
Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]400/415 V 50/60 Hz [Ics]
150 kA
Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]440 V 50/60 Hz [Ics]
130 kA
Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]525 V 50/60 Hz [Ics]
3 kA
Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]690 V 50/60 Hz [Ics]
3 kA
Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]1000 V AC [Ics]
3 kA
Rated short-time withstand current
t = 0.3 s [Icw]
1.9 kA
t = 1 s [Icw]
1.9 kA
Lifespan, mechanical [Operations]
20000
Max. operating frequency
120 Ops/h
Lifespan, mechanical: of which max. 50 % trip by shunt/undervoltage release
Lifespan, electrical
1000 V 50/60 Hz [Operations]
3000
Terminal capacity
Standard equipment
Screw connection
Round copper conductorBox terminalSolid
1 x (10 - 16)
2 x (6-16) mm2
2 x (6-16) mm2
Round copper conductorBox terminalStranded
1 x (25 - 185)
2 x (25-70) mm2
2 x (25-70) mm2
Round copper conductorTunnel terminalSolid
1 x 16 mm2
Round copper conductorTunnel terminalStrandedStranded
1 x (25 - 185) mm2
Round copper conductorBolt terminal and rear-side connectionDirect on the switchSolid
1 x (10 - 16)
2 x (10 - 16) mm2
2 x (10 - 16) mm2
Round copper conductorBolt terminal and rear-side connectionDirect on the switchStranded
1 x (25 - 50)
2 x (25 - 50) mm2
2 x (25 - 50) mm2
Al conductors, Cu cableTunnel terminalSolid
1 x 16 mm2
Al conductors, Cu cableTunnel terminalStrandedStranded
1 x (25 - 185)2)mm2
Al conductors, Cu cableTunnel terminalStranded
2)Up to 240 mm² can be connected depending on the cable manufacturer.
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.]
10 x 16 x 0.8
(2x) 8 x 15.5 x 0,8 mm
(2x) 8 x 15.5 x 0,8 mm
Cu strip (number of segments x width x segment thickness)Bolt terminal and rear-side connectionFlat copper strip, with holes [min.]
2 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness)Bolt terminal and rear-side connectionFlat copper strip, with holes [max.]
10 x 16 x 0.8 mm
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionScrew connection
M8
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionDirect on the switch [min.]
16 x 5 mm
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionDirect on the switch [max.]
24 x 8 mm
Control cables
1 x (0.75 - 2.5)
2 x (0.75 - 1.5) mm2
2 x (0.75 - 1.5) mm2
Design verification as per IEC/EN 61439
Technical data for design verification
Rated operational current for specified heat dissipation [In]
300 A
Equipment heat dissipation, current-dependent [Pvid]
83.7 W
Operating ambient temperature min.
-25 °C
Operating ambient temperature max.
+70 °C
IEC/EN 61439 design verification
10.2 Strength of materials and parts10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2 Strength of materials and parts10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2 Strength of materials and parts10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2 Strength of materials and parts10.2.3.3 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 parts10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2 Strength of materials and parts10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts10.2.7 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 properties10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9 Insulation properties10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9 Insulation properties10.9.4 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.
Technical data ETIM 7.0
Low-voltage industrial components (EG000017) / Power circuit-breaker for trafo/generator/installation protection (EC000228)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Circuit breaker for power transformer, generator and system protection ([email protected] [AJZ716013])
Rated permanent current Iu
300 A
Rated voltage
1000 - 1000 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
150 kA
Overload release current setting
120 - 300 A
Adjustment range short-term delayed short-circuit release
0 - 0 A
Adjustment range undelayed short-circuit release
5 - 8.3 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
Yes
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
Characteristics
Characteristic curve
Characteristic curve
Let-through current
Characteristic curve
Let-through energy
Dimensions
① Blow out area, minimum clearance to adjacent parts
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| NZMH2-A300-S1 107577 EN_107577.pdf | 537 Kbytes |
 |
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