Eaton Corporation · Electronic Components
AQB-L253
Tripper, Circuit Breaker
Part NumberAQB-L253
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-655-1165 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Overall Height3.781 INCHES NOMINAL
Maximum Continuous Load Current Ra125.0 AMPERES AC ALL LOCATIONS
Criticality Code JustificationFEAT
Frequency In Hertz60.0 ALL LOCATIONS
Trip Delay Time In Seconds Per Rat20.000 MINIMUM AT 600 PCT AND 32.000 MAXIMUM AT 600 PCT ALL LOCATIONS
Adjustable Trip Setting Current Ra+650.0 TO 1300.0 AC ALL LOCATIONS
Trip Release Ambient Temp Rating50.0 CELSIUS NOMINAL ALL LOCATIONS
Manual Actuator Type And Quantity1 TOGGLE
Terminal Type And Quantity6 COMPRESSION
Unpackaged Unit Weight3.100 POUNDS NOMINAL
Pole Quantity3
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-L253 available?
We can source AQB-L253 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-L253 by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AQB-L253 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-L253?
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-L253?
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.