Eaton · Electronic Components
W40
AUX CONT KIT 4NO AND 0NC
Part NumberW40
ManufacturerEaton
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-286-9303 (NSN)
Federal Item NameHEATER,THERMAL RELEASE
Federal Supply Class5999 — Miscellaneous Electrical Components
Current Rating For Which Designed2890.0 MILLIAMPERES MINIMUM AND 3670.0 MILLIAMPERES MAXIMUM
ESD/EMICode B — ESD/EMI sensitive item
Contact Quantity4
Structural DesignNONPILE-UP
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 W40 available?
We can source W40 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 W40 by Eaton obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If W40 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 W40?
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 W40?
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.