192586

Eaton Moeller series NZMN3 PXR25 circuit breaker, 250 A, 3-pole, Screw terminal, UL/CSA

产品规格

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常用规格

Product Name	Eaton Moeller series NZM molded case circuit breaker electronic
Catalog Number	192586
Product Length/Depth	166 mm
Product Height	297 mm
Product Width	140 mm
Product Weight	6.34 kg
Compliances	RoHS conform
Certifications	CSA certified CSA (File No. 22086) UL listed CSA (Class No. 1432-01) CSA-C22.2 No. 5-09 CE marking UL/CSA UL (Category Control Number DIVQ) UL 489 IEC/EN 60947 Specially designed for North America IEC 60947-2 IEC UL (File No. E31593)

产品规格

Type	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: 250 A Switches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.
Special features	Circuit breaker
Application	Branch circuits, feeder circuits Use in unearthed supply systems at 690 V
Amperage Rating	250 A
Voltage rating	690 V - 690 V
Circuit breaker frame type	NZM3
Features	Protection unit Motor drive optional
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
Climatic proofing	Damp heat, cyclic, to IEC 60068-2-30 Damp heat, constant, to IEC 60068-2-78
Equipment heat dissipation, current-dependent	18.75 W
Utilization category	A (IEC/EN 60947-2)
Isolation	500 V AC (between auxiliary contacts and main contacts) 300 V AC (between the auxiliary contacts)
Ambient operating temperature - max	70 °C
Ambient operating temperature - min	-25 °C
Ambient storage temperature - max	70 °C
Ambient storage temperature - min	40 °C
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 (basic degree of protection, in the operating controls area) IP20
Direction of incoming supply	As required
Electrical connection type of main circuit	Screw connection
Lifespan, mechanical	15000 operations
Overvoltage category	III
Rated operational current	630 A (380/400 V AC-1, making and breaking capacity) 630 A (690 V AC-1, making and breaking capacity) 450 A (660-690 V AC-3, making and breaking capacity) 500 A (415 V AC-1, making and breaking capacity)
Degree of protection (IP), front side	IP40 (with insulating surround) IP66 (with door coupling rotary handle)
Degree of protection (terminations)	IP00 (terminations, phase isolator and strip terminal) IP10 (tunnel terminal)
Number of poles	Three-pole
Lifespan, electrical	2000 operations at 690 V AC-3 2000 operations at 400 V AC-3 2000 operations at 415 V AC-3 5000 operations at 400 V AC-1 3000 operations at 690 V AC-1
Functions	Systems, cable, selectivity and generator protection
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)	250 A
Release system	Electronic release
Short-circuit total breaktime	< 10 ms
Rated short-time withstand current (t = 0.3 s)	3.3 kA
Rated short-time withstand current (t = 1 s)	3.3 kA
Short-circuit release delayed setting - max	2500 A
Short-circuit release delayed setting - min	200 A
Short-circuit release non-delayed setting - max	4500 A
Short-circuit release non-delayed setting - min	500 A
Terminal capacity (copper busbar)	M10 at rear-side screw connection
Handle type	Rocker lever
Short delay current setting (Isd) - max	2500 A
Short delay current setting (Isd) - min	500 A
Instantaneous current setting (Ii) - max	18 A
Instantaneous current setting (Ii) - min	2 A
Number of operations per hour - max	60
Overload current setting (Ir) - max	250 A
Overload current setting (Ir) - min	100 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	13 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz	5 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 operating voltage Ue (UL) - max	600 V
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
Rated insulation voltage (Ui)	690 V AC