#PB31800 Tri-break Fused Circuit Breaker | Circuit Breakers

PB31800

Circuit Breaker

NSN 5925-00-232-2891

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
002322891

Product Technical Spec.

Body Style:
Multipole-single actuator type
Body Length:
22.000 inches
Body Width:
12.000 inches
Body Height:
13.125 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Length:
19.750 inches
Center To Center Distance Between Terminals Parallel To Width:
4.000 inches
Unthreaded Mounting Hole Diameter:
0.406 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
13.625 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width:
4.000 inches
Boss Height:
0.875 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
6 unthreaded hole
Maximum Continuous Load Current Rating Per Pole:
1800.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts:
600.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
75000.0 ac all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Thermal-magnetic all locations
Trip Release Characteristic:
Instantaneous all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
135.0 all locations
Reset Method:
Manual
Main Contact Tripping Mechanism Type:
Trip free
Manual Actuator Type And Quantity:
1 toggle
Actuator Function:
Trip-reset
Actuator Position Designation:
At pole two
Inclosure Protection Type For Which Designed:
Fungus resistant
Trip Release Ambient Tempurature Rating:
40.0 degrees celsius all locations
Frequency In Hertz:
60.0 all locations
Terminal Type And Quantity:
6 clip
NSN:
5925-00-232-2891
Item Name:
Tri-break Fused Circuit Breaker
Cage Code:
89946

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N PB31800

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Last Updated: 08/11/2025