NZMB1-A125 – EATON

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 (ecl@ss10.0.1-27-37-04-09 [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