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Square D  · Electronic Components

NQ442L6C

PNLBD INT NQ 600A MLO 42 CKT 3P CU

Part NumberNQ442L6C
ManufacturerSquare D
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
MaterialCOPPER CASE
Features ProvidedROHS DIRECTIVE COMPLIANCE
Special FeaturesPACKAGE HEIGHT: 6.18 INCH; PACKAGE WIDTH: 14.09; PACKAGE LENGTH: 50.12
Packaged Unit Weight29.48 POUNDS
Federal Supply Class5925 — Circuit Breakers
ESD/EMICode A — ESD/EMI sensitive item
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is NQ442L6C available?
We can source NQ442L6C even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is NQ442L6C by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NQ442L6C has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like NQ442L6C?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for NQ442L6C?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.