174441
Mudeli kood: LZMN2-4-A300-I

Eaton Moeller series Power Defense - Molded Case Circuit Breaker. Circuit-breaker LZM, 4 p, 300A, N2-4-A300-I

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General specifications

Product Name	Eaton Moeller series Power Defense molded case circuit-breaker
Catalog Number	174441
EAN	4015081709038
Product Length/Depth	149 mm
Product Height	184 mm
Product Width	140 mm
Product Weight	3 kg
Compliances	RoHS conform
Certifications	IEC/EN 60947 IEC VDE 0660
Model Code	LZMN2-4-A300-I

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Amperage Rating	300 A
Voltage rating	690 V - 690 V
Circuit breaker frame type	LZM2
Features	Motor drive optional Protection unit
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.
10.2.2 Corrosion resistance	Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures	Meets the product standard's requirements.
10.2.3.2 Verification of resistance of insulating materials to normal heat	Meets the product standard's requirements.
10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects	Meets the product standard's requirements.
10.2.4 Resistance to ultra-violet (UV) radiation	Meets the product standard's requirements.
10.2.5 Lifting	Does not apply, since the entire switchgear needs to be evaluated.
10.2.6 Mechanical impact	Does not apply, since the entire switchgear needs to be evaluated.
10.2.7 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.
10.9.2 Power-frequency electric strength	Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage	Is the panel builder's responsibility.
10.9.4 Testing of enclosures made of insulating material	Is the panel builder's responsibility.
Pollution degree	3
Mounting Method	Fixed Built-in device fixed built-in technique DIN rail (top hat rail) mounting optional
Climatic proofing	Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30
Equipment heat dissipation, current-dependent	83.7 W
Utilization category	A (IEC/EN 60947-2)
Isolation	300 V AC (between the auxiliary contacts) 500 V AC (between auxiliary contacts and main contacts)
Number of auxiliary contacts (change-over contacts)	0
Number of auxiliary contacts (normally closed contacts)	0
Number of auxiliary contacts (normally open contacts)	0
Protection against direct contact	Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110
Degree of protection	IP20 In the area of the HMI devices: IP20 (basic protection type)
Direction of incoming supply	As required
Electrical connection type of main circuit	Screw connection
Current rating of neutral conductor	200% of phase conductor
Lifespan, mechanical	20000 operations
Overvoltage category	III
Rated operational current	300 A (380/400 V AC-1, making and breaking capacity) 250 A (750 V DC-3, making and breaking capacity) 300 A (415 V AC-1, making and breaking capacity) 250 A (500 V DC-1, making and breaking capacity) 250 A (750 V DC-1, making and breaking capacity) 300 A (415 V AC-3, making and breaking capacity) 300 A (660-690 V AC-3, making and breaking capacity) 300 A (690 V AC-1, making and breaking capacity) 250 A (500 V DC-3, making and breaking capacity)
Degree of protection (IP), front side	IP66 (with door coupling rotary handle) IP40 (with insulating surround)
Degree of protection (terminations)	IP00 (terminations, phase isolator and band terminal) IP10 (tunnel terminal)
Number of poles	Four-pole
Terminal capacity (copper strip)	Max. 10 segments of 16 mm x 0.8 mm at box terminal Max. 10 segments of 16 mm x 0.8 mm at rear-side connection (punched) Min. 2 segements of 16 mm x 0.8 mm at rear-side connection (punched) Min. 2 segments of 9 mm x 0.8 mm at box terminal
Lifespan, electrical	5000 operations at 690 V AC-3 6500 operations at 415 V AC-3 7500 operations at 500 V DC-1 3000 operations at 500 V DC-3 3000 operations at 750 V DC-3 10000 operations at 400 V AC-1 10000 operations at 415 V AC-1 6500 operations at 400 V AC-3 7500 operations at 690 V AC-1 7500 operations at 750 V DC-1
Functions	System and cable protection
Type	Circuit breaker
Special features	Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn) Rated current = rated uninterrupted current: 300 A Set value in neutral conductor is synchronous with set value Ir of main pole.
Application	Use in unearthed supply systems at 690 V
Shock resistance	20 g (half-sinusoidal shock 20 ms)
Position of connection for main current circuit	Front side
Rated operational current for specified heat dissipation (In)	300 A
Release system	Thermomagnetic release
Short-circuit total breaktime	< 10 ms
Rated short-time withstand current (t = 0.3 s)	1.9 kA
Rated short-time withstand current (t = 1 s)	1.9 kA
Short-circuit release delayed setting - max	2490 A
Short-circuit release delayed setting - min	1200 A
Short-circuit release non-delayed setting - max	3000 A
Short-circuit release non-delayed setting - min	1800 A
Terminal capacity (control cable)	0.75 mm² - 1.5 mm² (2x) 0.75 mm² - 2.5 mm² (1x)
Terminal capacity (copper busbar)	M8 at rear-side screw connection Min. 16 mm x 5 mm direct at switch rear-side connection Max. 20 mm x 5 mm direct at switch rear-side connection
Terminal capacity (copper solid conductor/cable)	4 mm² - 16 mm² (2x) at box terminal 4 mm² - 16 mm² (1x) at box terminal 4 mm² - 16 mm² (1x) direct at switch rear-side connection 4 mm² - 16 mm² (2x) direct at switch rear-side connection 16 mm² (1x) at tunnel terminal
Terminal capacity (aluminum solid conductor/cable)	16 mm² (1x) at tunnel terminal
Terminal capacity (copper stranded conductor/cable)	25 mm² - 70 mm² (2x) at box terminal 25 mm² - 70 mm² (2x) direct at switch rear-side connection 25 mm² - 185 mm² (1x) direct at switch rear-side connection 25 mm² - 185 mm² (1x) at box terminal 25 mm² - 185 mm² (1x) at tunnel terminal
Terminal capacity (aluminum stranded conductor/cable)	25 mm² - 185 mm² (1x) at tunnel terminal
Handle type	Rocker lever
Short delay current setting (Isd) - max	0 A
Short delay current setting (Isd) - min	0 A
Instantaneous current setting (Ii) - max	2500 A
Instantaneous current setting (Ii) - min	2000 A
Number of operations per hour - max	120
Overload current setting (Ir) - max	300 A
Overload current setting (Ir) - min	240 A
Overload current setting (Ir)	240 A - 300 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz	85 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz	50 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz	35 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz	25 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz	105 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz	74 kA
Rated short-circuit making capacity Icm at 525 V, 50/60 Hz	53 kA
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz	40 kA
Standard terminals	Screw terminal
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz	187 kA
Rated impulse withstand voltage (Uimp) at auxiliary contacts	6000 V
Rated impulse withstand voltage (Uimp) at main contacts	8000 V
Voltage rating (DC)	750 VDC
Rated insulation voltage (Ui)	1000 V AC

Characteristic curve

Joonised

eaton-circuit-breaker-nzm-mccb-dimensions-035.eps

Paigaldusjuhised

eaton-circuit-breaker-basic-unit-lzm2-il01206012z.pdf

Vastavusavaldused

eaton-molded-case-circuit-breaker-declaration-of-conformity-eu250119en.pdf

Märkus: Kui ZIP-vormingus allalaadimisel puuduvad failid, siis hulgiallalaadimine seda failitüüpi ei toeta.

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174441 Mudeli kood: LZMN2-4-A300-I

General specifications

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Characteristic curve

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174441
Mudeli kood: LZMN2-4-A300-I