Bae Systems Information And Electronic Systems Integration Inc. · Electronic Components
4400B1581
Relay, Electromagnetic
Part Number4400B1581
ManufacturerBae Systems Information And Electronic Systems Integration Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-731-4406 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Main Contact Maximum Voltage Ratin440.0 AC
Operating Voltage Rating And Type28.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Terminal Type And Quantity12 PIN ALL FUNCTIONS
Auxiliary Contact Maximum Voltage115.0 AC
Nonpile Up Auxiliary Contact Arran2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Nonpile Up Main Contact Arrangemen3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Frequency In Hertz60.0 NOMINAL
Duty TypeCONTINUOUS
Overall Length4.125 INCHES NOMINAL
Vendor Part NumbersXMB-1569
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 4400B1581 available?
We can source 4400B1581 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 4400B1581 by Bae Systems Information And Electronic Systems Integration Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4400B1581 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 4400B1581?
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 4400B1581?
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.