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Schneider Electric

LV426743 — Earth leakage circuit breaker

Electrical & controls

Part number: LV426743

LV426743 — Earth leakage circuit breaker — Schneider Electric reference LV426743. Request a quotation including shipping to your destination. Send equipment details and certificate requirements so we can confirm the exact specification, fitment, availability and warranty terms before ordering.

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Technical specifications

ManufacturerSchneider Electric
Part numberLV426743
CategoryElectrical & controls
RangeComPact
product nameComPact NSXm
Range of productComPact NSXm
Product or component typeEarth leakage circuit breaker
Number of poles3P
Protected poles description3D
[In] rated current160 A at 40 °C
[Ue] rated operational voltage440 V AC 50/60 Hz
Network frequency50/60 Hz
[Icu] rated ultimate short-circuit breaking capacity100 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2 70 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2 65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
Trip unit protection functionsLSoIR
Circuit breaker mounting modeBy screws Clip-on
[Ui] rated insulation voltage500 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage8 kV
[Ics] rated service short-circuit breaking capacity100 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2 70 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2 65 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
Mounting supportPlate DIN rail
Connection terminals1 Everlink lug wire size 2.5…70 mm², fine stranded copper 1 Everlink lug wire size 2.5…95 mm², rigid or stranded aluminium/copper
Connection pitch35 mm with spreaders 27 mm without spreaders
Protection typeL : for overload protection (thermal) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection R : for earth-leakage protection
Trip unit rating160 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range63...160 A
Long-time protection delay adjustment type trFixed
[tr] long-time protection delay adjustment range5 s at 7.2 x Ir 8 s at 6 x Ir 200 s at 1.5 x Ir
Thermal memory20 minutes before and after tripping
Short-time protection pick-up adjustment type IsdAdjustable 9 settings
[Isd] Short-time protection pick-up adjustment range1.5...10 x Ir
Short-time protection delay adjustment type tsdFixed
Published component typeEarth leakage circuit breaker
Reference statusPublished part reference; specification and fitment require confirmation
AvailabilityOn request

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