DRS Naval Power Systems · Electronic Components
45-839
Tripper, Circuit Breaker
Part Number45-839
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-121-0401 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Storage TypeGENERAL PURPOSE WAREHOUSE
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Manual Actuator Type And Quantity1 TOGGLE
Actuator FunctionTRIP-RESET
Internal Trip Release ConfiguratioSERIES TRIP ALL LOCATIONS
Frequency In Hertz60.0 ALL LOCATIONS
Actuator Position DesignationAT POLE TWO
Overall Height6.813 INCHES NOMINAL
Trip Release MethodMAGNETIC ALL LOCATIONS
Pole Quantity3
Vendor Part Numbers1279C57G07
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 45-839 available?
We can source 45-839 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 45-839 by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 45-839 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 45-839?
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 45-839?
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.