Schneider-Electric
 
LV438452 picture- web-product-data-sheet
LV438452
Circuit breaker, ComPact NSX320 DC PV, 320A, 1000V, TM-D trip unit, 4 poles
Important message Important message: 
This product has been switched to new ComPacT range and is no longer commercialized.
Schneider Electric
Characteristics
Main
Range ComPact
Product name ComPact NSX DC
Range of product ComPact NSX400...630 DC PV
Device short name NSX320 DC PV
Product or component type Circuit breaker
Device application Distribution
Number of poles 4P
Protected poles description 4t
Neutral position Left
[In] rated current 320 A at 40 °C
[Ue] rated operational voltage 1000 V DC
Network type DC
Suitability for isolation Yes conforming to EN/IEC 60947-2
Utilisation category Category A
[Icu] rated ultimate short-circuit breaking capacity 10 kA Icu at 1000 V DC conforming to IEC 60947-2
Trip unit name TM-DC
Trip unit technology Thermal-magnetic
Trip unit protection functions LI
Control type Toggle
Circuit breaker mounting mode Fixed
Complementary
[Ui] rated insulation voltage 1000 V DC conforming to IEC 60947-2
[Uimp] rated impulse withstand voltage 8 kV conforming to IEC 60947-2
[Ics] rated service short-circuit breaking capacity 5 kA at 1000 V DC conforming to IEC 60947-2
Mechanical durability 5000 cycles
Electrical durability 1000 cycles at 1000 V In
Mounting support Backplate
Upside connection Front
Downside connection Rear
Front
Connection pitch 45 mm
Protection type L : for overload protection (thermal)
I : for short-circuit protection (magnetic)
Trip unit rating 320 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection) Adjustable
[Ir] long-time protection pick-up adjustment range 0.7...1 x In
Earth-leakage protection Without
Width (W) 185 mm
Height (H) 255 mm
Depth (D) 110 mm
Product weight 7.9 kg
Environment
Standards EN/IEC 60947
Product certifications CCC
EAC
Marine
Overvoltage category Class II
Electrical shock protection class Class II
Pollution degree 3 conforming to IEC 60664-1
IP degree of protection IP40 conforming to IEC 60529
IK degree of protection IK07 conforming to IEC 62262
Ambient air temperature for operation -25…70 °C
Ambient air temperature for storage -50…85 °C
Relative humidity 0…95 %
Operating altitude 0...2000 m without derating
2000 m...5000 m with derating
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 30.0 cm
Package 1 Width 30.0 cm
Package 1 Length 40.0 cm
Package 1 Weight 10.0 kg
Unit Type of Package 2 S04
Number of Units in Package 2 11
Package 2 Height 30.0 cm
Package 2 Width 40.0 cm
Package 2 Length 60.0 cm
Package 2 Weight 110.766 kg
Offer Sustainability
EU RoHS Directive Compliant
print EU RoHS Declaration
Mercury free Yes
RoHS exemption information
print Yes
China RoHS Regulation
print China RoHS declaration
WEEE The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins