Siemens Energy And Automation Inc. Ite Circuit Protection Div · Electronic Components
HEG3B125L
Circuit Breaker
Part NumberHEG3B125L
ManufacturerSiemens Energy And Automation Inc. Ite Circuit Protection Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-666-5587 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Maximum Continuous Load Current Ra125.0 AMPERES AC ALL LOCATIONS
Operating Voltage Type And Rating100.0 AC ALL LOCATIONS
Pole Quantity3
Overall Width76.2 MILLIMETERS NOMINAL
Overall Length76.2 MILLIMETERS NOMINAL
Overall Height139.7 MILLIMETERS NOMINAL
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Manual Actuator Type And Quantity1 TOGGLE
Internal Trip Release ConfiguratioSHUNT TRIP ALL LOCATIONS
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 HEG3B125L available?
We can source HEG3B125L 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 HEG3B125L by Siemens Energy And Automation Inc. Ite Circuit Protection Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HEG3B125L 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 HEG3B125L?
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 HEG3B125L?
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.