Surge Suppression · Electronic Components
ITD40-120/208-SUB
Arrester, Electrical Surge
Part NumberITD40-120/208-SUB
ManufacturerSurge Suppression
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-558-9546 (NSN)
Federal Item NameARRESTER,ELECTRICAL SURGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Breakdown Voltage120.000 VOLTS NOMINAL AND 208.000 VOLTS NOMINAL
Overall Length7.288 INCHES NOMINAL
Mounting MethodSTUD(S)
Usage DesignINDOOR
Overall Width5.288 INCHES NOMINAL
Overall Height6.317 INCHES NOMINAL
Terminal TypeCONNECTOR, RECEPTACLE
Terminal Quantity2
Mounting ConfigurationTWO 0.125 IN DIA MTG HOLES ON 4 IN MTG CENTERS
Arrester TypeDIELECTRIC
Body MaterialSTEEL
Vendor Part Numbers302-8242765 ITEM 1
ESD/EMICode A — ESD/EMI sensitive item
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 ITD40-120/208-SUB available?
We can source ITD40-120/208-SUB 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 ITD40-120/208-SUB by Surge Suppression obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ITD40-120/208-SUB 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 ITD40-120/208-SUB?
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 ITD40-120/208-SUB?
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.