SUPERIOR ELECTRIC · Electronic Components
146U
Variable Transformer
Part Number146U
ManufacturerSUPERIOR ELECTRIC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-027-6536 (NSN)
Federal Item NameTRANSFORMER,POWER
Winding Operating Voltage120.00 AC VOLTS MAXIMUM SINGLE COMPONENT FIRST SECONDARY; 140.00 AC VOLTS MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Power Rating3.6 KILOVOLT-AMPERES SINGLE COMPONENT FIRST SECONDARY
Winding Function And Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Maximum Transformer Power Rating4.2 KILOVOLT-AMPERE SINGLE COMPONENT
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeOPEN
Federal Supply Class5950 — Coils And Transformers
Cancelled NSN6120-00-078-1445 (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 146U available?
We can source 146U 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 146U by SUPERIOR ELECTRIC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 146U 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 146U?
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 146U?
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.