Kalmar Ac Inc. · Electronic Components
4877290
Relay, Electromagnetic
Part Number4877290
ManufacturerKalmar Ac Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-240-3003 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Precious Material And LocationCONTACTS SILVER
Main Contact Load Current Rating A10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Ratin120.0 AC AND 28.0 DC
Mounting Facility Type And Quantit2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Overall Height1.406 INCHES MAXIMUM
Duty TypeCONTINUOUS
Overall Width1.531 INCHES MAXIMUM
Coil Quantity1
Purpose For Which DesignedGENERAL
Arc Quenching MethodAIR
Time Delay0.01 SECONDS NOMINAL FIXED RELEASE TIME
Vendor Part NumbersCRF-10-3D24
Cancelled NSN5945-01-039-0397 (cancelled)
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 4877290 available?
We can source 4877290 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 4877290 by Kalmar Ac Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4877290 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 4877290?
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 4877290?
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.