Rockwell Automation · Electronic Components
140-CMN-6300
Circuit Breaker
Part Number140-CMN-6300
ManufacturerRockwell Automation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-560-0827 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Maximum Continuous Load Current Ra63.0 AMPERES AC ALL LOCATIONS
Trip Release MethodMAGNETIC ALL LOCATIONS
Pole Quantity2
Frequency In Hertz60.0 ALL LOCATIONS
Operating Voltage Type And Rating480.0 AC ALL LOCATIONS
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 140-CMN-6300 available?
We can source 140-CMN-6300 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 140-CMN-6300 by Rockwell Automation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 140-CMN-6300 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 140-CMN-6300?
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 140-CMN-6300?
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.