Square D · Electronic Components
HU363
SWITCH, SAFETY INTERLOCK, 3PST, 100A
Part NumberHU363
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-009-5054 (NSN)
Federal Item NameSWITCH,BOX
Terminals6 TAB, SOLDER LUG
Body StyleWITH SIDE OPERATOR
Features ProvidedNEUTRAL TERMINAL
Body Width11.625 INCHES NOMINAL
Maximum Voltage Rating In Volts600.0 AC AND 250.0 DC
Body Length17.000 INCHES NOMINAL
Actuator Length3.500 INCHES NOMINAL
Electrical Power Rating At Maximum50.0 HORSEPOWER
Actuator Width1.250 INCHES NOMINAL
Body Height7.125 INCHES NOMINAL
Federal Supply Class5930 — Switches
Nonpile Up Contact Arrangement3 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Actuator StyleRECTANGULAR
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 HU363 available?
We can source HU363 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 HU363 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HU363 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 HU363?
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 HU363?
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.