Cart
0
Product
Products
(empty)
No products
$0.00
Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart.
There is 1 item in your cart.
Total products
Total
View larger
NZMN3-S250-AVE 113523 EATON ELECTRIC Circuit-breaker, 3p, 250A, withdrawable unit
NZMN3-S250-AVE
113523
EATON-MOELLER
Circuit-breaker, 3p, 250A, withdrawable unit
NZMN3-S250-AVE
Low-voltage industrial components > Motor protection circuit-breaker
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, 250A, withdrawable unit
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.
Delivery program
Product range
Circuit-breaker
Protective function
Short-circuit protection
Standard/Approval
IEC
Installation type
Withdrawable
Release system
Thermomagnetic release
Construction size
NZM3
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
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
Screw connection
Rated current = rated uninterrupted current [In= Iu]
250 A
Switching capacity
400/415 V 50 Hz [Icu]
50 kA
Setting range
Short-circuit releases
[Irm]Non-delayed
[Ii= Inx …]
[Irm]Non-delayed[Ii= Inx …] 8 - 14
Motor rating AC-3 at 400 V 50/60 Hz
380 V 400 V [P]
132 kW
Rated operational current AC-3 at 400 V 50/60 Hz
400 V [Ie]
231 A
Technical data
General
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
Damp heat, cyclic, to IEC 60068-2-30
Ambient temperatureAmbient temperature, storage
- 40 - + 70 °C
Ambient temperatureOperation
-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 61140Between auxiliary contacts and main contacts
500 V AC
Safe isolation to EN 61140between the auxiliary contacts
300 V AC
Weight
6.34 kg
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 protectionDevice
In the operating controls area: IP20 (basic degree of protection)
Degree of protectionEnclosures
With insulating surround: IP40
With door coupling rotary handle: IP66
With door coupling rotary handle: IP66
Degree of protectionTerminations
Tunnel terminal: IP10
Phase isolator and strip terminal: IP00
Phase isolator and strip terminal: IP00
Other technical data (sheet catalogue)
Circuit-breakers
Rated current = rated uninterrupted current [In= Iu]
250 A
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
≦ 690 V
Switching capacity
Rated short-circuit making capacity [Icm]240 V [Icm]
187 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]
85 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]
85 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]
50 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]
35 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]
13 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]
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.
Rated short-time withstand currentt = 0.3 s [Icw]
3.3 kA
Rated short-time withstand currentt = 1 s [Icw]
3.3 kA
Utilization category to IEC/EN 60947-2
A
Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release) [Operations]
15000
Lifespan, electricalAC-1400 V 50/60 Hz [Operations]
5000
Lifespan, electricalAC-1415 V 50/60 Hz [Operations]
5000
Lifespan, electricalAC-1690 V 50/60 Hz [Operations]
3000
Lifespan, electricalAC--3400 V 50/60 Hz [Operations]
2000
Lifespan, electricalAC--3415 V 50/60 Hz [Operations]
2000
Lifespan, electricalAC--3690 V 50/60 Hz [Operations]
2000
Lifespan, electricalMax. operating frequency
60 Ops/h
Total break time at short-circuit
< 10 ms
Terminal capacity
Standard equipment
Screw connection
Accessories required
NZM3-XAVS
Optional accessories
Box terminal
Tunnel terminal
connection on rear
Tunnel terminal
connection on rear
Round copper conductorBox terminalSolid
2 x 16 mm2
Round copper conductorBox terminalStranded
1 x (35 - 240)
2 x (25-120) mm2
2 x (25-120) mm2
Round copper conductorTunnel terminalSolid
1 x 16 mm2
Round copper conductorTunnel terminalStranded1-hole
1 x (16 - 185) mm2
Round copper conductorBolt terminal and rear-side connectionDirect on the switchSolid
1 x 16
2 x 16 mm2
2 x 16 mm2
Round copper conductorBolt terminal and rear-side connectionDirect on the switchStranded
1 x (25 - 240)
2 x (25 - 240) mm2
2 x (25 - 240) mm2
Round copper conductorBolt terminal and rear-side connectionConnection width extensionConnection width extension
2 x 300 mm2
Al circular conductorTunnel terminalSolid
1 x 16 mm2
Al circular conductorTunnel terminalStrandedStranded
1 x (25 - 185)2)mm2
Al circular conductorTunnel terminalStrandedDouble hole
1 x (50 - 240)
2 x (50 - 240) mm2
2 x (50 - 240) mm2
Al circular conductorTunnel 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.]
6 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness)Box terminal [max.]
10 x 24 x 1.0
+ 5 x 24 x 1.0
(2 x) 8 x 24 x 1.0 mm
+ 5 x 24 x 1.0
(2 x) 8 x 24 x 1.0 mm
Cu strip (number of segments x width x segment thickness)Bolt terminal and rear-side connectionFlat copper strip, with holes [min.]
6 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 32 x 1.0 + 5 x 32 x 1.0 mm
Cu strip (number of segments x width x segment thickness)Bolt terminal and rear-side connectionConnection width extension
(2 x) 10 x 50 x 1.0 mm
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionScrew connection
M10
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionDirect on the switch [min.]
20 x 5 mm
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionDirect on the switch [max.]
30 x 10
+ 30 x 5 mm
+ 30 x 5 mm
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionConnection width extensionConnection width extension [max.]
2 x (10 x 50) 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]
250 A
Equipment heat dissipation, current-dependent [Pvid]
68.25 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) / Motor protection circuit-breaker (EC000074)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Motor protection circuit-breaker ([email protected] [AGZ529016])
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
690 - 690 V
Rated permanent current Iu
250 A
Rated operation power at AC-3, 230 V
75 kW
Rated operation power at AC-3, 400 V
132 kW
Type of electrical connection of main circuit
Screw connection
Type of control element
Rocker lever
Device construction
Built-in device slide-in technique (withdrawable)
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
50 kA
Degree of protection (IP)
IP20
Height
260 mm
Width
185 mm
Depth
346 mm
Characteristics
Characteristic curve
Dimensions
① Blow out area, minimum clearance to adjacent parts
② Minimum clearance to adjacent parts
② Minimum clearance to adjacent parts
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| NZMN3-S250-AVE 113523 EN_113523.pdf | 387 Kbytes |
 |
Reviews (0) ▲
No customer reviews for the moment.
Add Review
hide form
| Rating: |
|
| Name: | |
| Email: | |
| Subject: | |
| Text: | |
| Do you recommend this product to buy? | |
|
|
|
| Add review | |
All ratings we receive from the items we offer are real and verified. A small gesture, but a lot of value. That's why we thank you for that minute you invest in leaving us your opinion and qualification about the products, because it helps us to continue improving and to offer you a service of even higher quality.