EATON – NZMB1-A125 – Electronic Modules – ICDC-040902 – New
Main Category: Electronics | Sub-Category: Modules | Status: New Original Components
EATON Part Number: NZMB1A125 | ICDC Internal Part Number: ICDC-040902
NZMB1-A125 Description:
NZMB1-A125 – Circuit breaker, 3p, 125°
EATON
SUPPLY PROGRAM
Assortment
automatic power switch
Protection function
protection of systems and cables
Standard / Approval
IEC
Installation technique
Fixed mounting
Release technique
Magnetothermic release
Size
NZM1
Number of poles
3-pole
Standard equipment
Mantle clamp
Breaking power
400/415 V 50 Hz [I cu ]25 kA
Rated current = rated uninterrupted current [I n = I u ]Rated current = rated uninterrupted current [I n = I u ]125 A
Calibration range
Thermal release[I r ]100 – 125 A
Magnetic release [I rm ]without delay [I i = I n x …]6 – 10
Magnetic release [I rm ]750 – 1250 A
TECHNICAL DATA
Generality
Compliance with standards
IEC / EN 60947, VDE 0660
Protection against accidental contacts
protection against contact with fingers and the back of the hand according to VDE 0106 part 100
Suitability for climates
Humid heat, constant, according to IEC 60068-2-78
Humid heat, cyclic according to IEC 60068-2-30
Room temperature
Ambient storage temperature
-40 – +70 ° C
Room temperature
Operation
-25 – +70 ° C
Shock resistance (half wave 10 ms) according to IEC 60068-2-27
20 (duration of shock 20 ms) g
Safe isolation according to EN 61140
between auxiliary contacts and main contacts
500 V AC
Safe isolation according to EN 61140
between auxiliary contacts
300 V AC
Mounting position
Vertical and rotated 90 ° in each direction
with XFI differential protection module:
– NZM1, N1, NZM2, N2: vertical and rotated 90 ° in each direction
with removable device:
– NZM1, N1, NZM2, N2: vertical, 90 ° right / left
with removable device:
– NZM3, N3: vertical, 90 ° right / left
– NZM4, N4: vertical
with remote control:
– NZM2, N (S) 2, NZM3, N (S) 3, NZM4, N (S) 4: vertical and rotated 90 ° in each direction
Sense of power
To taste
Degree of protection
Device
in the area of the operating elements: IP20 (basic degree of protection)
Degree of protection
Custody
with frame: IP40
with handle for remote control and door interlock: IP66
Degree of protection
Connection terminals
Tunnel terminal: IP10
Phase separator and clamp for strips: IP00
Other technical data (browsable catalog)
Influence of temperature, derating
Automatic power switches
Rated current = rated uninterrupted current [I n = I u ]125 A
Rated impulse withstand voltage [U imp ]Main circuit
6000 V
Rated impulse withstand voltage [U imp ]Auxiliary contacts
6000 V
Rated operational voltage [U e ]440 V AC
Overvoltage category / pollution degree
III / 3
Rated insulation voltage [U i ]690 V
Use in ungrounded networks
≦ 440 V
Breaking power
Rated short-circuit making capacity [I cm ]240 V [I cm ]63 kA
Rated short-circuit making capacity [I cm ]400/415 V [I cm ]53 kA
Rated short-circuit making capacity [I cm ]440 V 50/60 Hz [I cm ]53 kA
Rated short-circuit breaking capacity I cn [I cn ]Icu IEC / EN 60947 switching sequence OtCO [I cu ]240 V, 50/60 Hz [I cu ]30 kA
Rated short-circuit breaking capacity I cn [I cn ]Icu IEC / EN 60947 switching sequence OtCO [I cu ]400/415 V, 50/60 Hz [I cu ]25 kA
Rated short-circuit breaking capacity I cn [I cn ]Icu IEC / EN 60947 switching sequence OtCO [I cu ]440 V, 50/60 Hz [I cu ]25 kA
Rated short-circuit breaking capacity I cn [I cn ]Ics IEC / EN 60947 switching sequence OtCOtCO [I cs ]240 V, 50/60 Hz [I cs ]30 kA
Rated short-circuit breaking capacity I cn [I cn ]Ics IEC / EN 60947 switching sequence OtCOtCO [I cs ]400/415 V, 50/60 Hz [I cs ]25 kA
Rated short-circuit breaking capacity I cn [I cn ]Ics IEC / EN 60947 switching sequence OtCOtCO [I cs ]440 V 50/60 Hz [I cs ]18.5 kA
Rated short-circuit breaking capacity I cn [I cn ]Maximum safety, when the expected short-circuit current at the installation point exceeds the breaking capacity of the circuit breaker.
Use category according to IEC / EN 60947-2
TO
Duration, mechanical (max. 50% trip by the A / U release) [Operations]20000
Durability, electrical
AC-1
400 V 50/60 Hz [Operations]7500
Durability, electrical
AC-1
415 V 50/60 Hz [Operations]7500
Durability, electrical
Max. Operating frequency [man / h]120 man / h
Total breaking time at short circuit
<10 ms
Connection sections
Standard equipment
Mantle clamp
Optional accessories
screw connection
Tunnel terminals
Rear connections
Circular cable Cu
Mantle clamp
Stiff
1 x (10 – 16)
2 x (6 – 16) mm 2
Circular cable Cu
Mantle clamp
Flexible
1 x (10 – 70) 3)
2 x (6-25) mm 2
Circular cable Cu
Mantle clamp
3) Depending on the cable manufacturer, connectable up to 95 mm²
Circular cable Cu
Tunnel clamp
Stiff
1 x 16mm 2
Circular cable Cu
Tunnel clamp
flexible
1 hole
1 x (25 – 95) mm 2
Circular cable Cu
Bolt connection and rear connection
directly on the switch
stiff
1 x (10 – 16)
2 x (6 – 16) mm 2
Circular cable Cu
Bolt connection and rear connection
directly on the switch
flexible
1 x (10 – 70) 3)
2 x 25 mm 2
Circular cable Cu
Bolt connection and rear connection
directly on the switch
3) Depending on the cable manufacturer, connectable up to 95 mm²
Circular conductor AI
Tunnel clamp
stiff
1 x 16mm 2
Circular conductor AI
Tunnel clamp
flexible
flexible
1 x (25 – 95) mm 2
Circular conductor AI
Bolt connection and rear connection
directly on the switch
stiff
1 x (10 – 16)
2 x (10 – 16) mm 2
Circular conductor AI
Bolt connection and rear connection
directly on the switch
flexible
1 x (25 – 35)
2 x (25 – 35) mm 2
Copper strip (number of blades x width x thickness of blades)
Shell terminal [min.]2 x 9 x 0.8 mm
Copper strip (number of blades x width x thickness of blades)
Shell terminal [max.]9 x 9 x 0.8 mm
Copper busbar (width x depth) [mm]Bolt connection and rear connection
Bolt connection
M6
Copper busbar (width x depth) [mm]Bolt connection and rear connection
directly on the switch [min.]12 x 5 mm
Copper busbar (width x depth) [mm]Bolt connection and rear connection
directly on the switch [max.]16 x 5 mm
Control cables
1 x (0.75 – 2.5)
2 x (0.75 – 1.5) mm 2
DESIGN VERIFICATIONS ACCORDING TO IEC / EN 61439
Technical data for design checks
Rated operational current for dissipation data [I n ]125 A
Device dissipation, depending on the current [P vid ]26.72 W
Ambient service temperature min.
-25 ° C
Ambient service temperature max.
+70 ° C
IEC / EN 61439 design verifications
10.2 Suitability of materials and components
10.2.2 Corrosion resistance
The requirements of the product standard are met.
10.2 Suitability of materials and components
10.2.3.1 Resistance of the enclosure to heat
The requirements of the product standard are met.
10.2 Suitability of materials and components
10.2.3.2 Resistance of insulating materials to normal heat levels
The requirements of the product standard are met.
10.2 Suitability of materials and components
10.2.3.3 Resistance of insulating materials to extraordinary heat levels
The requirements of the product standard are met.
10.2 Suitability of materials and components
10.2.4 Resistance to UV radiation
The requirements of the product standard are met.
10.2 Suitability of materials and components
10.2.5 Lifting
Not relevant as the whole electrical panel needs to be evaluated.
10.2 Suitability of materials and components
10.2.6 Impact test
Not relevant as the whole electrical panel needs to be evaluated.
10.2 Suitability of materials and components
10.2.7 Lettering
The requirements of the product standard are met.
10.3 Degree of protection of the enclosures
Not relevant as the whole electrical panel needs to be evaluated.
10.4 Air and surface dispersion routes
The requirements of the product standard are met.
10.5 Protection against electric shock
Not relevant as the whole electrical panel needs to be evaluated.
10.6 Flush mounting of devices
Not relevant as the whole electrical panel needs to be evaluated.
10.7 Internal circuits and connections
It is the responsibility of the manufacturer of the electrical panel.
10.8 Connections for conductors introduced from outside
It is the responsibility of the manufacturer of the electrical panel.
10.9 Insulation characteristics
10.9.2 Dielectric strength at mains frequency
It is the responsibility of the manufacturer of the electrical panel.
10.9 Insulation characteristics
10.9.3 Impulse withstand voltage
It is the responsibility of the manufacturer of the electrical panel.
10.9 Insulation characteristics
10.9.4 Verification of enclosures in insulating material
It is the responsibility of the manufacturer of the electrical panel.
10.10 Heating
The superheat calculation is the responsibility of the electrical panel builder. Eaton provides equipment dissipation data.
10.11 Resistance to short circuit
It is the responsibility of the manufacturer of the electrical panel. Observe the default values of the equipment.
10.12 EMC
It is the responsibility of the manufacturer of the electrical panel. Observe the default values of the equipment.
10.13 Mechanical function
For the device, the requirements are met if the information in the installation instructions (IL) is observed.
TECHNICAL DATA ACCORDING TO ETIM 8.0
low voltage electrical equipment (EG000017) / Protective switch for transformers and motors (EC000228)
Technique Of Ar., Electr., Energy, Tecn. Of Comm., Grid And Mains Proc. / Low Voltage Switching Technology / Power Switches (Ns, <1 Hp) / Power Switch for Transf., Generat. and protection systems ([email protected] [AJZ716013])
permanent rated current Iu
125 A
Nominal tension
440 – 440 V
rated short-circuit trip limit current at 400 V, 50 Hz
25 kA
setting range of the overload release
100 – 125 A
setting range of the short-circuit activator with short delay
0 – 0 A
non-delayed short-circuit activator adjustment range
750 – 1250 A
integrated earth leakage protection
no
type of main electrical circuit connection
frame clamp
construction type of the appliance
recessed luminaire, fixed installation technique
suitable for top hat rail mounting
no
optional DIN rail mounting
Yes
number of auxiliary contacts, rest contacts
0
number of auxiliary contacts, closing contacts
0
number of auxiliary contacts, inverters
0
intervention signal present
no
with integrated undervoltage release
no
number of poles
3
location of the main circuit connection
front
Drive type
Single lever
complete luminaire with safety unit
Yes
integrated motor drive
no
motor drive optional
no
degree of protection (IP)
IP20
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