Carling Technologies · Electronic Components
C21-B0-12-810-3A1-C
Circuit Breaker
Part NumberC21-B0-12-810-3A1-C
ManufacturerCarling Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-733-7235 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Manual Actuator Type And Quantity1 FLAT ROCKER
Actuator FunctionTRIP-RESET
Internal Trip Release ConfiguratioSERIES TRIP SINGLE LOCATION
Trip Delay Time In Seconds Per Rat0.3 MINIMUM AT 150 PCT AND 3.0 MAXIMUM AT 150 PCT SINGLE LOCATION
Terminal Type And Quantity2 THREADED STUD
Mounting Facility Type And Quantit2 TERMINAL
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Operating Voltage Type And Rating300.0 DC SINGLE LOCATION
Pole Quantity1
Trip Release MethodMAGNETIC-HYDRAULIC SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Vendor Part Numbers2CL0340121
ESD/EMICode A — ESD/EMI sensitive item
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 C21-B0-12-810-3A1-C available?
We can source C21-B0-12-810-3A1-C 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 C21-B0-12-810-3A1-C by Carling Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C21-B0-12-810-3A1-C 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 C21-B0-12-810-3A1-C?
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 C21-B0-12-810-3A1-C?
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.