Siemens · Electronic Components
4NA1311-0DB20
Transformer, Current
Part Number4NA1311-0DB20
ManufacturerSiemens
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-292-9971 (NSN)
Federal Item NameTRANSFORMER,CURRENT
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeFULLY INCLOSED
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height136.0 MILLIMETERS NOMINAL
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Terminal Type And Quantity2 TERMINAL BLOCK W/SCREWS
Mounting MethodFOOT SINGLE GROUP
Body Width60.0 MILLIMETERS NOMINAL
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating50.0 HERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Maximum Transformer Power Rating2.5 VOLT-AMPERE SINGLE COMPONENT
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 4NA1311-0DB20 available?
We can source 4NA1311-0DB20 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 4NA1311-0DB20 by Siemens obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4NA1311-0DB20 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 4NA1311-0DB20?
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 4NA1311-0DB20?
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.