Eaton Corporation · Electronic Components
HFB3100
Circuit Breaker
Part NumberHFB3100
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-318-1822 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Operating Voltage Type And Rating600.0 AC ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Body Length6.000 INCHES NOMINAL
Maximum Interrupting Capacity Curr20000.0 AC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Terminal Type And Quantity6 SCREW
Trip Delay Time In Seconds Per Rat85.000 MINIMUM AT 200 PCT AND 250.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Storage TypeGENERAL PURPOSE WAREHOUSE
Unthreaded Mounting Hole Diameter0.187 INCHES NOMINAL
Distance Between Centerlines Of Mo4.500 INCHES NOMINAL
Actuator FunctionTRIP-RESET
Vendor Part Numbers4976D04G44
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 HFB3100 available?
We can source HFB3100 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 HFB3100 by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HFB3100 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 HFB3100?
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 HFB3100?
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.