Carling Technologies · Electronic Components
HK250-78
Toggle Switch, Sealed, Off-None-On, 3PST, Non Illuminated, H Series, Panel Mount, 15 A
Part NumberHK250-78
ManufacturerCarling Technologies
AvailabilityAvailable to order — request a quote
Specifications
RohscompliantYES
Hazardousfalse
RohsphthalatescompliantYES
Switch MountingPanel Mount
Product RangeH Series
IscanonicalY
Contact Current Max15 A
Contact Configuration3PST
SvhcNo SVHC (27-Jun-2018)
Switch OperationOff-None-On
Contact Voltage Dc Nom-
Contact Voltage Ac Nom125 V
IlluminationNon Illuminated
Switch TerminalsSolder Lug
NSN5930-01-354-0299 (NSN)
Federal Item NameSWITCH,TOGGLE
Terminals3 TAB, SOLDER LUG
Mounting MethodTERMINAL
Body StyleBUSHING MOUNT
Maximum Voltage Rating In Volts250.0 AC
Actuator Height0.687 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Actuator StyleROUND
Actuator Diameter0.072 INCHES NOMINAL
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 HK250-78 available?
We can source HK250-78 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 HK250-78 by Carling Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HK250-78 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 HK250-78?
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 HK250-78?
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.