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Siemens Energy & Automation  · Electronic Components

3RT2045-1AN20

Relay, Electromagnetic

Part Number3RT2045-1AN20
ManufacturerSiemens Energy & Automation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Coil Quantity1
Frequency In Hertz50.0 NOMINAL OR 60.0 NOMINAL
Fragility FactorMODERATELY RUGGED
Winding Quantity1
Auxiliary Contact Maximum Voltage660.0 AC AND 600.0 DC
Storage TypeGENERAL PURPOSE WAREHOUSE
Nonpile Up Main Contact Arrangemen2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 2 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Duty TypeCONTINUOUS
Purpose For Which DesignedGENERAL
Environmental ProtectionDUSTPROOF
Main Contact Load Current Rating A34.0 AMPERES AC RESISTIVE LOAD
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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

Frequently asked

Is 3RT2045-1AN20 available?
We can source 3RT2045-1AN20 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 3RT2045-1AN20 by Siemens Energy & Automation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3RT2045-1AN20 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 3RT2045-1AN20?
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 3RT2045-1AN20?
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.