#40-920A Tri-break Fused Circuit Breaker | Circuit Breakers

40-920A

Circuit Breaker

NSN 5925-00-300-8984

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
003008984

Product Technical Spec.

Body Style:
Single pole type
Mounting Slot Width:
0.164 inches
Body Length:
3.190 inches
Body Width:
1.469 inches
Body Height:
2.656 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Length:
2.750 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
1.310 inches
Fragility Factor:
Moderately rugged
Boss Height:
0.120 inches
Pole Quantity:
1
Arc Quenching Method:
Magnetic blowout
Mounting Facility Type And Quantity:
2 slot
Storage Type:
General purpose warehouse
Special Handling Feature:
Magnetic
Operating Voltage Type And Rating Per Pole In Volts:
50.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
300.0 dc single location
Circuit Protection Type:
Overcurrent single location
Trip Release Method:
Magnetic-hydraulic single location
Trip Release Characteristic:
Instantaneous single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
125.0 single location
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 one
Internal Trip Release Configuration:
Series trip single location
Inclosure Protection Type For Which Designed:
Fungus resistant and moisture resistant
Terminal Type And Quantity:
2 screw
NSN:
5925-00-300-8984
Item Name:
Tri-break Fused Circuit Breaker
Cage Code:
74193

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
8131RT
Cage Code:
74193
RNCC:
3
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
J40-920A
Cage Code:
59774
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
19012
Cage Code:
93742
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Overload Switches
------------ P/N 40-920A

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Last Updated: 07/05/2025