Superior Electric Holding Group LLC · Electronic Components
10B-40
Transformer, Power Autotransforme
Part Number10B-40
ManufacturerSuperior Electric Holding Group LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-847-7848 (NSN)
Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current7.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Inclosure TypePARTIALLY INCLOSED, HALF SHELL
Body Length2.250 INCHES NOMINAL
Winding Power Rating280.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Body Outside Diameter2.812 INCHES NOMINAL
Mounting MethodTHREADED BUSHING SINGLE GROUP
Winding Operating Voltage40.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Thread Series DesignatorUNEF SINGLE GROUP
Nominal Thread Size0.375 INCHES SINGLE GROUP
Terminal Type And Quantity3 TAB, SOLDER LUG
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 10B-40 available?
We can source 10B-40 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 10B-40 by Superior Electric Holding Group LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 10B-40 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 10B-40?
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 10B-40?
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.