CAE USA · Electronic Components
CB12H03
Circuit Breaker
Part NumberCB12H03
ManufacturerCAE USA
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-552-2649 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Length3.719 INCHES NOMINAL
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Reset MethodMANUAL
Main Contact Tripping Mechanism TyTRIP FREE
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Ultimate Trip Rating Of Continuous125.0 SINGLE LOCATION
Maximum Continuous Load Current Ra300.0 MILLIAMPERES DC SINGLE LOCATION
Operating Voltage Type And Rating400.0 DC SINGLE LOCATION
Trip Release MethodMAGNETIC-HYDRAULIC SINGLE LOCATION
Maximum Interrupting Capacity Curr1000.0 DC SINGLE LOCATION
Auxiliary Switch Function And Quan1 ALARM
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 CB12H03 available?
We can source CB12H03 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 CB12H03 by CAE USA obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CB12H03 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 CB12H03?
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 CB12H03?
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.