Siemens Energy & Automation · Electronic Components
NGB2B020B
Circuit Breaker
Part NumberNGB2B020B
ManufacturerSiemens Energy & Automation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-661-4974 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Maximum Continuous Load Current Ra20.0 AMPERES AC SINGLE LOCATION
Unpackaged Unit Weight2.6 POUNDS NOMINAL
Trip Release MethodTHERMAL-MAGNETIC SINGLE LOCATION
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Overall Width2.0 INCHES NOMINAL
Overall Height4.5 INCHES NOMINAL
Pole Quantity2
Operating Voltage Type And Rating600.0 AC SINGLE LOCATION
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 NGB2B020B available?
We can source NGB2B020B 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 NGB2B020B by Siemens Energy & Automation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NGB2B020B 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 NGB2B020B?
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 NGB2B020B?
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.