Electro Switch Corp. · Electronic Components
127903LA
Switching Unit, Power Transfer
Part Number127903LA
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN6110-00-109-5604 (NSN)
Federal Item NameSWITCHING UNIT,POWER TRANSFER
Federal Supply Class6110 — Electrical Control Equipment
Unable To DecodeUNABLE TO DECODE
Switch Pole Quantity33
Enclosure FeatureFULLY ENCLOSEDFULLY ENCLOSED
Current Rating In Amps200.0200.0
Switch Position Quantity44
Voltage In Volts460.0
Overall Length7.406 INCHES NOMINAL7.406 INCHES NOMINAL
Switch Operation MethodMAGNETICMAGNETIC
Current TypeACAC
Overall Diameter6.750 INCHES NOMINAL6.750 INCHES NOMINAL
Mounting ConfigurationFOUR 0.525 IN. DIA THRU HOLESFOUR 0.525 IN. DIA THRU HOLES
Vendor Part Numbers90-4173
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 127903LA available?
We can source 127903LA 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 127903LA by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 127903LA 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 127903LA?
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 127903LA?
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.