SAE International · Electronic Components
MS3320-4
Circuit Breaker
Part NumberMS3320-4
ManufacturerSAE International
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-224-7474 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Operating Voltage Type And Rating115.0 AC SINGLE LOCATION
Maximum Continuous Load Current Ra4.0 AMPERES AC SINGLE LOCATION
Body StyleSINGLE POLE TYPE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Main Contact Tripping Mechanism TyTRIP FREE
Reset MethodMANUAL
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
MaterialPLASTIC CASE
Trip Delay Time In Seconds Per Rat1.500 MINIMUM AT 200 PCT AND 30.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Test Data Document81349-MIL-C-5809 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Pole Quantity1
Vendor Part Numbers724459016700
ProducttraceabilityNo
RohscompliantYES
IscanonicalY
Hazardousfalse
RohsphthalatescompliantYES
UseccnUnknown
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 MS3320-4 available?
We can source MS3320-4 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 MS3320-4 by SAE International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3320-4 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 MS3320-4?
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 MS3320-4?
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.