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Cross Reference

These part numbers have the same form, fit, and function as upg66-2224-1
Item Number Cage
CB60HZ15A 81541
UPG66-1-62-153-01 81541
000564-1 90536
UPG66-2224-1 81541
59000564-1 50544

Technical Definition

Circuit Breaker, also referenced with federal logistics item name code 00136 - A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. may include provisions for manual operation. at least one set of contacts must be in series with the actuating element(s). a combination of semiconductor and passive devices may be used in lieu of contacts. for automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). for items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. excludes circuit breaker box and magneto "breaker" assemblies. see also switch (as modified); and controller.


Description: Circuit Breaker
Mfr. Cage 50544


Thread Size: 9/64"

AAQL Body Style
Multipole-single actuator type
ADAQ Body Length
2.000 inches
ADAT Body Width
1.500 inches
ADTV Case Material
AEBP Center To Center Distance Between Terminals Parallel To Length
1.530 inches
AEBQ Center To Center Distance Between Terminals Parallel To Width
0.750 inches
AEBY Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
1.660 inches
AEHA Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
0.750 inches
AJEC Boss Height
0.130 inches
AJWX Mounting Surface To Terminal End Distance
2.000 inches maximum
AKPX Pole Quantity
AXHR Mounting Facility Type And Quantity
4 threaded hole
CMLP Thready Qty Per Inch (tpi)
CPLM Maximum Continuous Load Current Rating Per Pole
15.0 amperes ac all locations
CPRF Operating Voltage Type And Rating Per Pole In Volts
240.0 ac all locations
CPRG Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac all locations
CPRH Circuit Protection Type
Overcurrent all locations
CPRJ Trip Release Method
Magnetic-hydraulic all locations
CPRL Trip Release Characteristic
Time delay all locations
CPRN Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 all locations
CPRQ Reset Method
CPRR Main Contact Tripping Mechanism Type
Trip free
CPRT Manual Actuator Type And Quantity
1 toggle
CPRW Actuator Function
CPRX Actuator Position Designation
At pole one
CPSM Internal Trip Release Configuration
Series trip all locations
CQJX Nominal Thread Size
0.138 inches
CQWN Trip Delay Time In Seconds Per Rated Continuous Current
2.200 minimum at 200 pct all locations and 20.000 maximum at 200 pct all locations
FREQ Frequency In Hertz
60.0 all locations
THSD Thread Series Designator
TTQY Terminal Type And Quantity
4 screw
National Stock Number (NSN): 5925-00-001-5748

Last Modified: 02/14/2017