Westinghouse Electric Corp. · Electronic Components
7L4
Transformer, Power Autotransforme
Part Number7L4
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-645-3820 (NSN)
Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length2.562 INCHES NOMINAL
Winding Operating Current1.9 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Inclosure TypeOPEN
Winding Power Rating50.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Frequency Rating346.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Body Width1.625 INCHES NOMINAL
Vendor Part NumbersP16D9140
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 7L4 available?
We can source 7L4 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 7L4 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7L4 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 7L4?
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 7L4?
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.