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Circuit-breaker, 3p, 150A, box terminals
Series NZM..-AF..NA circuit-breakers cover all application cases with just four compact sizes and are suitable for use in the worldwide market. Modular function groups always make mounting flexible. With thermomagnetic releases for systems and cable protection. Fixed overload releases. Notes: Switches conform to UL/CSA as well as IEC regulations. The rating plate contains IEC switching performance values.

Product range	Circuit-breaker
Protective function	System and cable protection
Standard/Approval	UL/CSA, IEC
Release system	Thermomagnetic release
Installation type	Fixed
Description	Switches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate. Fixed overload releases Ir
Frame size	NZM2
Number of poles	3 pole
Standard equipment	Box terminal
SCCR 480Y/277 V 60 Hz [Icu]	35 kA
SCCR 480 V 60 Hz [Icu]	35 kA
SCCR 600Y/347 V 60 Hz [Icu]	25 kA
Rated current = rated uninterrupted current [In = Iu]	150 A
Overload trip [Ir ] 150 - 150 A Short-circuit releases [Irm ] >Non-delayed [Ii = In x …]	150 - 150 A
Standards	6 - 10
Protection against direct contact	IEC/EN 60947
Climatic proofing	Finger and back of hand proof to VDE 0106 Part 100
Ambient temperature >Ambient temperature, storage	Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature >Operation	- 40 - + 70 °C
Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC 60068-2-27	-25 - +70 °C
Safe isolation to EN 61140 >Between auxiliary contacts and main contacts	20 (half-sinusoidal shock 20 ms) g
Safe isolation to EN 61140 >between the auxiliary contacts	500 V AC
Weight	300 V AC
Mounting position >Mounting position	2.345 kg
Direction of incoming supply	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
Degree of protection >Device	as required
Degree of protection >Enclosures	In the operating controls area: IP20 (basic degree of protection)
Degree of protection >Terminations	With insulating surround: IP40 With door coupling rotary handle: IP66
Other technical data (sheet catalogue)	Tunnel terminal: IP10 Phase isolator and strip terminal: IP00
Rated surge voltage invariability [Uimp ] >Main contacts	Weight Temperature dependency, Derating Effective power loss
Rated surge voltage invariability [Uimp ] >Auxiliary contacts	8000 V
Rated operational voltage [Ue]	6000 V
Overvoltage category/pollution degree	690 V AC
Rated insulation voltage [Ui ]	III/3
Use in unearthed supply systems	1000 V
Rated short-circuit making capacity [Icm ] >240 V [Icm ]	≦ 690 V
Rated short-circuit making capacity [Icm ] >400/415 V [Icm ]	187 kA
Rated short-circuit making capacity [Icm ] >440 V 50/60 Hz [Icm ]	105 kA
Rated short-circuit making capacity [Icm ] >525 V 50/60 Hz [Icm ]	74 kA
Rated short-circuit making capacity [Icm ] >690 V 50/60 H [Ic]	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 ]	40 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 ]	85 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 ]	50 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 ]	35 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 ]	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 ]	20 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 ]	85 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 ]	50 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 ]	35 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]	25 kA
Rated short-circuit breaking capacity Icn [Icn ] >Maximum low-voltage h.b.c. fuse	5 kA
Rated short-circuit breaking capacity Icn [Icn ]	355 A gG/gL
Technical data that diverge from products for the IEC market Switching capacity of NA switches (UL489, CSA 22.2 No. 5.1) Short-circuit current rating SCCR >SCCR 240 V 60 Hz [Icu]	Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit-breaker.
Technical data that diverge from products for the IEC market Switching capacity of NA switches (UL489, CSA 22.2 No. 5.1) Short-circuit current rating SCCR >SCCR 480Y/277 V 60 Hz [Icu]	85 kA
Technical data that diverge from products for the IEC market Switching capacity of NA switches (UL489, CSA 22.2 No. 5.1) Short-circuit current rating SCCR >SCCR 480 V 60 Hz [Icu]	35 kA
Technical data that diverge from products for the IEC market Switching capacity of NA switches (UL489, CSA 22.2 No. 5.1) Short-circuit current rating SCCR >SCCR 600Y/347 V 60 Hz [Icu]	35 kA
Rated short-time withstand current >t = 0.3 s [Icw ]	25 kA
Rated short-time withstand current >t = 1 s [Icw ]	1.9 kA
Utilization category to IEC/EN 60947-2	1.9 kA
Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release) [Operations]	A
Lifespan, electrical >AC-1 >400 V 50/60 Hz [Operations]	20000
Lifespan, electrical >AC-1 >690 V 50/60 Hz [Operations]	10000
Lifespan, electrical >AC--3 >400 V 50/60 Hz [Operations]	7500
Lifespan, electrical >AC--3 >415 V 50/60 Hz [Operations]	6500
Lifespan, electrical >AC--3 >690 V 50/60 Hz [Operations]	6500
Lifespan, electrical >Max. operating frequency	5000
Total break time at short-circuit	120 Ops/h
Standard equipment	< 10 ms
Round copper conductor >Box terminal >Solid	Box terminal
Round copper conductor >Box terminal >Stranded	1 x (12 … 6) mm2
Round copper conductor >Tunnel terminal >Solid	1 x (4 … 350) mm2
Round copper conductor >Tunnel terminal >Stranded >Stranded	1 x 16 mm2
Round copper conductor >Bolt terminal and rear-side connection >Direct on the switch >Solid	1 x (4 … 350) mm2
Round copper conductor >Bolt terminal and rear-side connection >Direct on the switch >Stranded	1 x (11 … 6) mm2
Al conductors, Cu cable >Tunnel terminal >Solid	1 x (4 … 3/0) mm2
Al conductors, Cu cable >Bolt terminal and rear-side connection >Flat copper strip, with holes [min.]	1 x 16 mm2
Al conductors, Cu cable >Bolt terminal and rear-side connection >Flat copper strip, with holes [max.]	2 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness) >Box terminal [min.]	10 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness) >Box terminal [max.]	2 x 9 x 0.8 mm
Cu strip (number of segments x width x segment thickness) >Bolt terminal and rear-side connection >Flat copper strip, with holes [min.]	10 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness) >Bolt terminal and rear-side connection >Flat copper strip, with holes [max.]	2 x 16 x 0.8 mm
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Screw connection	10 x 16 x 0.8 mm
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Direct on the switch [min.]	M8
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Direct on the switch [max.]	16 x 5 mm
Control cables	20 x 5 mm
Rated operational current for specified heat dissipation [In]	1 x (18 … 14) 2 x (18 … 16) mm2
Equipment heat dissipation, current-dependent [Pvid]	150 A
Operating ambient temperature min.	33.75 W
Operating ambient temperature max.	-25 °C
10.2 Strength of materials and parts >10.2.2 Corrosion resistance	+70 °C
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	Meets the product standard´s requirements.
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	Does not apply, since the entire switchgear needs to be evaluated.
10.3 Degree of protection of ASSEMBLIES	Meets the product standard´s requirements.
10.4 Clearances and creepage distances	Does not apply, since the entire switchgear needs to be evaluated.
10.5 Protection against electric shock	Meets the product standard´s requirements.
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	Does not apply, since the entire switchgear needs to be evaluated.
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	Is the panel builder´s responsibility.
10.11 Short-circuit rating	The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.12 Electromagnetic compatibility	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Rated permanent current Iu	The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Rated voltage	150 A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz	690 - 690 V
Overload release current setting	50 kA
Adjustment range short-term delayed short-circuit release	150 - 150 A
Adjustment range undelayed short-circuit release	0 - 0 A
Integrated earth fault protection	6 - 10 A
Type of electrical connection of main circuit	No
Device construction	Frame clamp
Suitable for DIN rail (top hat rail) mounting	Built-in device fixed built-in technique
DIN rail (top hat rail) mounting optional	No
Number of auxiliary contacts as normally closed contact	Yes
Number of auxiliary contacts as normally open contact	0
Number of auxiliary contacts as change-over contact	0
With switched-off indicator	0
With under voltage release	No
Number of poles	No
Position of connection for main current circuit	3
Type of control element	Front side
Complete device with protection unit	Rocker lever
Motor drive integrated	Yes
Motor drive optional	No
Degree of protection (IP)	Yes
Product Standards	IP20
UL File No.	UL 489; CSA-C22.2 No. 5-09; IEC 60947-2; CE marking
UL Category Control No.	E31593
CSA File No.	DIVQ
CSA Class No.	022086
North America Certification	1432-01
Specially designed for North America	UL listed, CSA certified
Suitable for	Yes
Current Limiting Circuit-Breaker	Feeder circuits, branch circuits
Max. Voltage Rating	Yes
Degree of Protection	600Y/347 V, 480 V
Characteristic curve	IEC: IP20; UL/CSA Type: -
Characteristic curve
Characteristic curve