IDEC Systems and Controls · Electronic Components
RH4B-ULCAC120V
Relay, Electromagnetic
Part NumberRH4B-ULCAC120V
ManufacturerIDEC Systems and Controls
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-505-1223 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Height1.390 INCHES MAXIMUM
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Features ProvidedPOLARIZED
Terminal Type And Quantity14 TAB, SOLDER LUG ALL FUNCTIONS
Main Contact Load Current Rating A16.5 MILLIAMPERES AC RESISTIVE LOAD
Duty TypeCONTINUOUS
Operating Voltage Rating And Type120.0 VOLTS AC 20 DEG CELSIUS SINGLE WINDING
Environmental ProtectionHERMETIC AND VIBRATION RESISTANT AND SHOCK RESISTANT
Main Contact Maximum Voltage Ratin120.0 AC
Overall Length1.600 INCHES NOMINAL
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 RH4B-ULCAC120V available?
We can source RH4B-ULCAC120V 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 RH4B-ULCAC120V by IDEC Systems and Controls obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RH4B-ULCAC120V 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 RH4B-ULCAC120V?
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 RH4B-ULCAC120V?
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.