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Schneider Electric LV438551

Schneider Electric LV438551

MPNLV438551
Active

Circuit breaker, ComPact NSX1000 TM-DC, 2 poles, 1000A, 50kA/600VDC, with bare cable connector

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

LV438551 key specifications
ParameterValue
Control typeToggle
Network typeDC
Protection typeL : for overload protection (thermal) I : for short-circuit protection (magnetic)
Range of productComPact NSX630...1200 DC
Product or component typeCircuit breaker
Long-time protection delay adjustment type trFixed
Short-time protection delay adjustment type tsdFixed
Short-time protection pick-up adjustment type isdAdjustable
Long-time pick-up adjustment type ir (thermal protection)Adjustable
Voltage600 V DC conforming to IEC 60947-2
[Ue] rated operational voltage600 V DC
[Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-2

All specifications

LV438551 additional specifications
ParameterValue
Current1000 A at 40 °C
[Ics] rated service short-circuit breaking capacity12.5 kA at 600 V DC conforming to IEC 60947-2
[Icu] rated ultimate short-circuit breaking capacity50 kA Icu at 300 V DC 1P conforming to IEC 60947-2 50 kA Icu at 600 V DC 2P conforming to IEC 60947-2
Poles2P
Protected poles description2t
Utilisation categoryCategory A
IK degree of protectionIK07 conforming to IEC 62262
IP degree of protectionIP40 conforming to IEC 60529
Mounting supportBackplate
Circuit breaker mounting modeFixed
Connection pitch45 mm
Upside connectionFront
Downside connectionFront
Pollution degree3 conforming to IEC 60664-1
Relative humidity0...95 %
Operating altitude0...2000 m without derating 2000 m...5000 m with derating
Electrical shock protection classClass II
Depth110 mm
Width185 mm
Height350 mm
Electrical durability1000 cycles at 600 V In 2000 cycles at 600 V In/2
Mechanical durability5000 cycles
StandardsEN/IEC 60947
RangeComPact
Trip unit nameTM-DC
Trip unit rating1000 A at 40 °C
Device short nameNSX1000 DC
Safety categoryN 50 kA 600 V DC
Device applicationDistribution
Overvoltage categoryClass II
Trip unit technologyThermal-magnetic
Earth-leakage protectionWithout
Suitability for isolationYes conforming to EN/IEC 60947-2
Ambient air temperature for storage-50...85 °C
Ambient air temperature for operation-25...70 °C
Number of slots for electrical auxiliaries6 slot(s)
[Ir] long-time protection pick-up adjustment range0.7...1 x In
[Isd] short-time protection pick-up adjustment range2.5...5 x In
MPN
LV438551