DRS Naval Power Systems · Electronic Components
45-820
Circuit Breaker
Part Number45-820
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-119-3429 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Overall Height4.125 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Terminal Type And Quantity6 QUICK DISCONNECT, MALE
Precious MaterialSILVER
Inclosure Protection Type For WhicGENERAL PURPOSE
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Maximum Continuous Load Current Ra75.0 AMPERES AC AND 75.0 AMPERES DC ALL LOCATIONS
Maximum Interrupting Capacity Curr15000.0 AC AND 15000.0 DC ALL LOCATIONS
Operating Voltage Type And Rating450.0 AC AND 120.0 DC ALL LOCATIONS
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Reset MethodMANUAL
Vendor Part Numbers1279C57G14
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 45-820 available?
We can source 45-820 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 45-820 by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 45-820 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 45-820?
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 45-820?
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.