Siemens Energy & Automation · Electronic Components
3TB4210-0AR1
Relay, Electromagnetic
Part Number3TB4210-0AR1
ManufacturerSiemens Energy & Automation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-299-6288 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Fragility FactorMODERATELY RUGGED
Unthreaded Mounting Hole Diameter4.8 MILLIMETERS NOMINAL SINGLE MOUNTING FACILITY
Center To Center Distance Between75.0 MILLIMETERS NOMINAL SINGLE MOUNTING FACILITY
Overall Height107.0 MILLIMETERS NOMINAL
Winding Quantity1
Environmental ProtectionDUSTPROOF
Main Contact Maximum Voltage Ratin380.0 AC
Overall Width45.0 MILLIMETERS NOMINAL
Main Contact Load Current Rating A16.0 AMPERES AC RESISTIVE LOAD
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type440.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
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 3TB4210-0AR1 available?
We can source 3TB4210-0AR1 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 3TB4210-0AR1 by Siemens Energy & Automation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3TB4210-0AR1 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 3TB4210-0AR1?
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 3TB4210-0AR1?
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.