Siemens Energy & Automation · Electronic Components
4NC1121-0CE20
Transformer, Current
Part Number4NC1121-0CE20
ManufacturerSiemens Energy & Automation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-299-1744 (NSN)
Federal Item NameTRANSFORMER,CURRENT
Federal Supply Class5950 — Coils and Transformers
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating50.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current150.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage800.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Overall Width60.0 MILLIMETERS NOMINAL
Maximum Operating Temp55.0 CELSIUS
Terminal Type And Quantity2 SCREW
Inclosure TypeFULLY INCLOSED
Maximum Transformer Power Rating5.0 VOLT-AMPERE SINGLE COMPONENT
Overall Length46.0 MILLIMETERS NOMINAL
Overall Height77.0 MILLIMETERS NOMINAL
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 4NC1121-0CE20 available?
We can source 4NC1121-0CE20 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 4NC1121-0CE20 by Siemens Energy & Automation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4NC1121-0CE20 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 4NC1121-0CE20?
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 4NC1121-0CE20?
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.