Skip to main content
Schneider Electric LV433953

Schneider Electric LV433953

MPNLV433953
Active

trip unit Micrologic 7.3 E for Compact NSX 630 circuit breakers, electronic, rating 570A, 4 poles 4d

$2,698.88Ref. price · indicative, final on quote
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

LV433953 key specifications
ParameterValue
Display typeLCD display
Network typeAC
Protection typeL : for overload protection (long time) S : for short time short-circuit protection I : for instantaneous short-circuit protection R : for earth-leakage protection
Range of productComPact NSX400...630
Type of measurementEnergy meter
Product or component typeTrip unit
Long-time protection delay adjustment type trAdjustable
Short-time protection delay adjustment type tsdAdjustable
Short-time protection pick-up adjustment type isdAdjustable
Instantaneous protection pick-up adjustment type iiAdjustable
Earth-leakage protection sensitity adjustment type iδnAdjustable
Earth-leakage protection time delay adjustement type δtAdjustable

All specifications

LV433953 additional specifications
ParameterValue
Long-time pick-up adjustment type ir (thermal protection)Adjustable 9 settings
[Ue] rated operational voltage440 V AC 50/60 Hz
Trip unit rated current570 A at 40 °C
Network frequency50/60 Hz
Poles4P
Protected poles description3t 3t + N/2 4t 3t + OSN
IP degree of protectionIP40 conforming to IEC 60529
Communication of dataProtection and alarm settings Energy metering Demand current and power Power quality Earth leakage current Time-stamped histories and event tables Instantaneous and demand values Maximeters/minimeters Maintenance indicators Test reports
Pollution degree3 conforming to IEC 60947-1
StandardsUL 508 NEMA AB1 IEC 60947-2 EN 60947-2
RangeComPact
Thermal memory20 minutes before and after tripping
Trip unit nameMicroLogic 7.3 E
Local signallingFlashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload
Neutral positionLeft
Device applicationDistribution
Trip unit technologyElectronic
Earth-leakage protectionIntegrated
Neutral protection settings0.5 x Ir (3t + N/2) 1 x Ir (4t) 1.6 x Ir (3t + OSN) No protection (3t)
Earth-leakage protection classClass A
Trip unit protection functionsLSIR
Zone selective interlocking ZSIWithout
Ambient air temperature for storage-40...85 °C
Ambient air temperature for operation-25...70 °C
Earth-leakage protection specific modeOFF using the IΔn rotary switch
[Tr] Long-Time protection delay adjustment range15...400 s at 1.5 x Ir 0.35...11 s at 7.2 x Ir 0.5...16 s at 6 x Ir
[Ir] long-time protection pick-up adjustment range250...570 A
[tsd] short-time protection delay adjustment range0...0.4 s
[Isd] short-time protection pick-up adjustment range1.5...10 x Ir
[Ii] instantaneous protection pick-up adjustment range1.5...12 x In Compact NSX400 6900 A Compact NSX630
[δt] earth-leakage protection time delay adjustment range500 ms 1 s 150 ms 0 ms 60 ms
[IΔn] earth-leakage protection sensitivity adjustment range10 A 5 A 300 mA 500 mA 3 A 1 A
MPN
LV433953