#Q1B-390 Circuit Breaker | Circuit Breakers

Q1B-390

Circuit Breaker

NSN 5925-01-056-3548

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
010563548

Technical Specifications of NSN

Body Style:
Multipole-single actuator type
Body Length:
6.250 inches
Body Width:
2.234 inches
Body Height:
2.343 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Width:
0.734 inches
Boss Height:
0.156 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
6 terminal
Maximum Continuous Load Current Rating Per Pole:
90.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts:
240.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
10000.0 ac all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Thermal-magnetic all locations
Trip Release Characteristic:
Instantaneous all locations and 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:
1 toggle
Actuator Function:
Trip-reset
Actuator Position Designation:
At pole two
Trip Delay Time In Seconds Per Rated Continuous Current:
40.000 at 200 pct all locations
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:
3 clip and 3 compression
NSN:
5925-01-056-3548
Item Name:
Breaker,circuit
Cage Code:
56365

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
QIB-390
Cage Code:
1P5F8
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
QIB-390
Cage Code:
1P5F8
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 Q1B-390

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Last Updated: 08/12/2025