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Schneider ComPacT NSX Neutral Sensor · external neutral current transformer · Compact NSX100 · LV429521LV429521↓ 20% off MRP
BrandSchneider
CategorySwitchgear
Specificationexternal neutral current transformer · Compact NSX100 · 25 A to 100 A · for 3 poles circuit breakers
Brand SKULV429521
AvailabilityIn stock · ships in 24h
Delivery8 to 15 business days after dispatch
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Schneider ComPacT NSX Neutral Sensor · external neutral current transformer · Compact NSX100 · LV429521

$0.34/pc-20%
MRP $0.44
Wholesale · 15+ units
$0.34 /pc
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$0.34 /pc
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It is an external neutral current transformer (ENCT) for Compact NSX100 equipped with Micrologic 5/6 trip unit. With 3P devices, the distributed neutral of the installation can be protected by installing this external sensor. The sensor rated current is from 25 A to 100 A. The ENCT must be connected to the Micrologic trip unit by a shielded twisted pair. The wiring maximum length is 10 m and the cross section is from 0.4 mm² to 1.5 mm².

As published by Schneider. Verify critical parameters against the datasheet before specifying.
Schneider Schneider ComPacT NSX Neutral Sensor · external neutral current transformer · Compact NSX100 · LV429521 · LV429521
Rated current100 A
Device typeMiniature circuit breaker (MCB)
Current rating25 A
Reference standardIS/IEC 60898-1
BrandSchneider
Brand SKULV429521
ELINE6HK29JRDG
Sold asPer pc
Device applicationPower supply
[In] rated current25…100 A
Range compatibilityComPact ComPact NSX100
Product or component typeNeutral sensor
Ratings as published by Schneider (se.com). Verify critical parameters against the datasheet before specifying.
Other Schneider ranges and models in this category, closest in price to this one.
Read: Contactor Sizing for 400 V and 415 V Motors: kW to Amps, AC-3 Ratings and Overload Relays →
What size contactor do I need for a 7.5 kW motor?
A 7.5 kW three-phase motor at 400 V draws about 14.5 A, so a contactor rated at least 16 to 18 A at AC-3 is the usual choice, with an overload relay set to the nameplate current.
What is the difference between AC-1 and AC-3?
AC-1 is the rating for resistive loads such as heaters; AC-3 is the rating for switching squirrel-cage motors in normal duty. Motors are always sized on the AC-3 figure, which is lower.
How many amps per kW for a three-phase motor?
At 400 V, roughly 2 A per kW for small motors, falling towards about 1.8 A per kW above 30 kW, because larger motors run at a better power factor and efficiency. Use the nameplate for the exact figure.
Is Schneider ComPacT NSX Neutral Sensor · external neutral current transformer · Compact NSX100 · LV429521 genuine and warranty-backed?

Yes. Every Schneider product on Elume is 100% genuine, sourced through authorised channels, and carries the manufacturer's standard warranty.

Do you deliver outside India?

Yes, to every country except Pakistan, North Korea, Iran, Syria, Cuba, Russia, Belarus and Afghanistan, and the Crimea, Sevastopol, Donetsk, Luhansk, Zaporizhzhia and Kherson regions. The delivery fee depends on weight and destination and is shown at checkout; international orders are paid by card in US dollars. The full rules are on our shipping page.

Is there a wholesale or bulk rate?

Yes. Orders of 15 or more pcs get a wholesale price below the listed Elume price, applied automatically and shown on every product page.

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