MIL-SPEC · Electronic Components
AQB-LF250-175LM
Circuit Breaker
Part NumberAQB-LF250-175LM
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-199-4401 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Main Contact Tripping Mechanism TyTRIP FREE
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Trip Delay Time In Seconds Per Rat5.000 MINIMUM AT 200 PCT AND 15.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Frequency In Hertz60.0 ALL LOCATIONS
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Unthreaded Mounting Hole Diameter0.250 INCHES NOMINAL
Boss Height0.250 INCHES NOMINAL
Distance Between Centerlines Of Mo6.000 INCHES NOMINAL
Pole Quantity3
Mounting Surface To Terminal End D9.031 INCHES 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 AQB-LF250-175LM available?
We can source AQB-LF250-175LM 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 AQB-LF250-175LM by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AQB-LF250-175LM 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 AQB-LF250-175LM?
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 AQB-LF250-175LM?
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.