Siemens Energy And Automation Inc. Siemens Furnas Controls Div · Electronic Components
48JA37AA4
Protector, Thermal-Overload, Elect
Part Number48JA37AA4
ManufacturerSiemens Energy And Automation Inc. Siemens Furnas Controls Div
AvailabilityAvailable to order — request a quote
Specifications
NSN6110-01-331-3363 (NSN)
Federal Item NamePROTECTOR,THERMAL-OVERLOAD,ELECT
Federal Supply Class6110 — Electrical Control Equipment
Vendor Part NumbersC103-9031
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 48JA37AA4 available?
We can source 48JA37AA4 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 48JA37AA4 by Siemens Energy And Automation Inc. Siemens Furnas Controls Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 48JA37AA4 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 48JA37AA4?
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 48JA37AA4?
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.