#53MC44A138-3 Tri-break Fused Circuit Breaker | Circuit Breakers

53MC44A138-3

Circuit Breaker

NSN 5925-00-304-3315

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
003043315

Technical Specifications of NSN

Body Style:
Multipole-multiple actuator type
Body Length:
2.500 inches
Body Width:
2.250 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Length:
1.500 inches
Center To Center Distance Between Terminals Parallel To Width:
0.750 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
2.125 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width:
0.750 inches
Boss Height:
0.125 inches
Mounting Surface To Terminal End Distance:
2.000 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
6 threaded bushing
Thready Qty Per Inch (tpi):
32
Maximum Continuous Load Current Rating Per Pole:
3.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts:
250.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
1000.0 ac all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Magnetic all locations
Trip Release Characteristic:
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
125.0 all locations
Reset Method:
Manual
Main Contact Tripping Mechanism Type:
Trip free
Manual Actuator Type And Quantity:
3 toggle
Actuator Function:
Reset
External Actuator Linkage Arrangement:
One, two, and three linked
Internal Trip Release Configuration:
Series trip all locations
Thread Size:
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current:
0.800 at 200 pct all locations
Inclosure Protection Type For Which Designed:
Fungus resistant and hermetically sealed
Frequency In Hertz:
60.0 all locations
Thread Series Designator:
Unc
Terminal Type And Quantity:
6 tab w/screw
NSN:
5925-00-304-3315
Item Name:
Tri-break Fused Circuit Breaker
Cage Code:
82647

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
APGH666-775-9
Cage Code:
81541
RNCC:
3
RNVC:
2
RNAAC:
48
Status:
A
MSDS:
SADC:
Part Number:
451250-9
Cage Code:
3B150
RNCC:
5
RNVC:
2
RNAAC:
48
Status:
A
MSDS:
SADC:
Part Number:
451250-9
Cage Code:
49956
RNCC:
5
RNVC:
9
RNAAC:
48
Status:
A
MSDS:
SADC:
Part Number:
451250-9
Cage Code:
54X10
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N 53MC44A138-3

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Last Updated: 02/09/2025