Rockwell Automation · Electronic Components
1489-A2D040
Circuit Breaker
Part Number1489-A2D040
ManufacturerRockwell Automation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-666-9786 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Reset MethodMANUAL
Pole Quantity2
Overall Width35.0 MILLIMETERS NOMINAL
Overall Length70.0 MILLIMETERS NOMINAL
Overall Height105.0 MILLIMETERS NOMINAL
Manual Actuator Type And Quantity2 TOGGLE
Operating Voltage Type And Rating48.0 DC AND 277.0 AC ALL LOCATIONS
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Maximum Continuous Load Current Ra4.0 AMPERES 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 1489-A2D040 available?
We can source 1489-A2D040 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 1489-A2D040 by Rockwell Automation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1489-A2D040 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 1489-A2D040?
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 1489-A2D040?
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.