Westinghouse Electric Corp. · Electronic Components
647J553CD3105SIZE4
Switching Unit, Power Transfer
Part Number647J553CD3105SIZE4
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN6110-00-783-6330 (NSN)
Federal Item NameSWITCHING UNIT,POWER TRANSFER
Federal Supply Class6110 — Electrical Control Equipment
Nondefinitive Spec Std DataYPE ABT-A3 COMPOSITION
Voltage In Volts450.0
Mounting ConfigurationFOUR 5/8 IN. DIA MTG HOLES ON 16-1/4 IN. BY 12-1/4 IN. MTG CENTERS
Switch Position Quantity3
Switch Action TypeMAGNETIC CONTACTOR
Switch Operation MethodMOTOR DRIVEN
Departure From Cited DocumentMIL-S-17773 EXCEPT RESISTORS MIL-R-26 RECTIFIERS COMMERCIAL GRADE
Enclosure FeatureDRIPPROOF
Overall Height18.500 INCHES NOMINAL
Frequency Rating60.0 HERTZ NOMINAL
Features ProvidedMANUAL OPERATION
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 647J553CD3105SIZE4 available?
We can source 647J553CD3105SIZE4 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 647J553CD3105SIZE4 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 647J553CD3105SIZE4 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 647J553CD3105SIZE4?
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 647J553CD3105SIZE4?
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.