Northrop Grumman Systems · Electronic Components
900486-0557
Circuit Breaker
Part Number900486-0557
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-241-7215 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body StyleMULTIPOLE-MULTIPLE ACTUATOR TYPE
Terminal Type And Quantity2 WIRE HOOK
Internal Trip Release ConfiguratioSERIES TRIP ALL LOCATIONS
Frequency In Hertz60.0 ALL LOCATIONS
Manual Actuator Type And Quantity4 TOGGLE
Trip Delay Time In Seconds Per Rat1.000 MINIMUM AT 200 PCT AND 3.700 MAXIMUM AT 200 PCT ALL LOCATIONS
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Pole Quantity2
Body Width1.250 INCHES MINIMUM AND 1.281 INCHES MAXIMUM
Trip Release MethodMAGNETIC ALL LOCATIONS
Ultimate Trip Time Per Pole In Sec40.000 NOMINAL ALL LOCATIONS
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 900486-0557 available?
We can source 900486-0557 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 900486-0557 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 900486-0557 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 900486-0557?
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 900486-0557?
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.