● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Precision Electronics, Inc.  · Electronic Components

4747

Transformer, Power

Part Number4747
ManufacturerPrecision Electronics, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage81.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length4.562 INCHES MINIMUM
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Function And Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Current1.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Maximum Operating Temp70.0 CELSIUS
Vendor Part Numbers143071
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Reset MethodMANUAL
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Trip Release MethodMAGNETIC-HYDRAULIC ALL LOCATIONS
Internal Trip Release ConfiguratioSERIES TRIP ALL LOCATIONS
Storage TypeGENERAL PURPOSE WAREHOUSE
Center To Center Distance Between0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
Boss Height0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
Arc Quenching MethodMAGNETIC BLOWOUT
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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

Frequently asked

Is 4747 available?
We can source 4747 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 4747 by Precision Electronics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4747 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 4747?
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 4747?
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.