MIL-SPEC · Electronic Components
ABT-4A3-50D
Switching Unit, Power Transfer
Part NumberABT-4A3-50D
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN6110-01-231-2073 (NSN)
Federal Item NameSWITCHING UNIT,POWER TRANSFER
Federal Supply Class6110 — Electrical Control Equipment
Current Rating In Amps50.0
Current TypeAC
Switch Pole Quantity3
Voltage In Volts450.0
Enclosure FeatureDRIPPROOF
PhaseTHREE
Frequency Rating60.0 HERTZ NOMINAL
Cancelled NSN6110-00-635-7609 (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 ABT-4A3-50D available?
We can source ABT-4A3-50D 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 ABT-4A3-50D by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ABT-4A3-50D 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 ABT-4A3-50D?
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 ABT-4A3-50D?
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.