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LV438271
Circuit breaker, ComPact NSX320S DC, 100kA/750VDC, TM-DC trip unit, 320A rating, 4 poles
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End of Commercialization
OCT 26, 2023
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Main
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Range
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ComPact
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Product name
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ComPact NSX DC
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Range of product
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ComPact NSX400...630 DC
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Device short name
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NSX320 DC
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Product or component type
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Circuit breaker
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Device application
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Distribution
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Number of poles
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4P
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Protected poles description
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4t
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Neutral position
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Left
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[In] rated current
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320 A at 40 °C
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[Ue] rated operational voltage
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750 V DC
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Network type
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DC
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Suitability for isolation
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Yes conforming to EN/IEC 60947-2
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Utilisation category
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Category A
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[Icu] rated ultimate short-circuit breaking capacity
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100 kA Icu at 250 V DC 1P conforming to IEC 60947-2
100 kA Icu at 500 V DC 2P conforming to IEC 60947-2
100 kA Icu at 750 V DC 3P conforming to IEC 60947-2
100 kA Icu at 750 V DC 4P conforming to IEC 60947-2
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Performance level
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S 100 kA 500 V DC
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Trip unit name
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TM-DC
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Trip unit technology
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Thermal-magnetic
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Control type
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Toggle
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Circuit breaker mounting mode
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Fixed
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Complementary
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[Ui] rated insulation voltage
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750 V DC conforming to IEC 60947-2
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[Uimp] rated impulse withstand voltage
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8 kV conforming to IEC 60947-2
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[Ics] rated service short-circuit breaking capacity
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100 kA at 750 V DC conforming to IEC 60947-2
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Mechanical durability
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5000 cycles
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Electrical durability
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1000 cycles at 750 V In
2000 cycles at 750 V In/2
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Mounting support
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Backplate
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Upside connection
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Front
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Downside connection
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Front
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Connection pitch
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45 mm
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Protection type
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L : for overload protection (thermal)
I : for short-circuit protection (magnetic)
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Trip unit rating
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320 A at 40 °C
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Long-time pick-up adjustment type Ir (thermal protection)
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Adjustable
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[Ir] long-time protection pick-up adjustment range
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0.7...1 x In
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Earth-leakage protection
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Without
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Number of slots for electrical auxiliaries
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6 slot(s)
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Width (W)
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185 mm
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Height (H)
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255 mm
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Depth (D)
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110 mm
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Net weight
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7.9 kg
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Environment
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Standards
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EN/IEC 60947
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Product certifications
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CCC
EAC
Marine
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Overvoltage category
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Class II
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Electrical shock protection class
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Class II
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Pollution degree
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3 conforming to IEC 60664-1
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IP degree of protection
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IP40 conforming to IEC 60529
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IK degree of protection
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IK07 conforming to IEC 62262
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Ambient air temperature for operation
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-25…70 °C
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Ambient air temperature for storage
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-50…85 °C
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Relative humidity
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0…95 %
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Operating altitude
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0...2000 m without derating
2000 m...5000 m with derating
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Packing Units
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Unit Type of Package 1
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PCE
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Number of Units in Package 1
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1
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Package 1 Height
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14.7 cm
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Package 1 Width
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20.0 cm
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Package 1 Length
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29.1 cm
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Package 1 Weight
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6.6 kg
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Offer Sustainability
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EU RoHS Directive
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Compliant
 EU RoHS Declaration
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Mercury free
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Yes
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RoHS exemption information
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Yes
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China RoHS Regulation
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China RoHS declaration
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WEEE
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The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
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