Square D · Electronic Components
NQ42L4
PNLBD INT NQ 400A MLO 42 CKT 1P AL
Part NumberNQ42L4
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN6110-01-674-2184 (NSN)
Federal Item NamePANEL,POWER DISTRIBUTION
Overall Width20.0 INCHES NOMINAL
Overall Height50.0 INCHES NOMINAL
Overall Depth5.75 INCHES NOMINAL
PhaseSINGLE SINGLE VOLTAGE RATING
Input Voltage Rating48.0 DC VOLTS NOMINAL SECOND VOLTAGE RATING; 240.0 AC VOLTS NOMINAL FIRST VOLTAGE RATING
Unpackaged Unit Weight28.3 POUNDS NOMINAL
Supplementary Features3WIRE CONFIGURATION; LOAD CENTER TYPEIS MAIN LUGS; CIRCUIT BRERAKER TYPE: QHB, QOB, QOB-VH
Panel MaterialALUMINUM
Cubic Measure39.96 CUBIC INCHES
Electrical Input Quantity42
Federal Supply Class6110 — Electrical Control Equipment
Panel Quantity1
Current Rating In Amps400.0
ESD/EMICode A — ESD/EMI sensitive item
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is NQ42L4 available?
We can source NQ42L4 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 NQ42L4 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NQ42L4 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 NQ42L4?
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 NQ42L4?
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.