#QO320 Overload Switch | Circuit Breakers

QO320

Circuit Breaker

NSN 5925-00-937-0552

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
009370552

Detail Specifications

Body Style:
Multipole-single actuator type
Body Length:
3.000 inches
Body Width:
2.230 inches
Body Height:
2.580 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Width:
0.740 inches
Fragility Factor:
Moderately rugged
Boss Height:
0.250 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
6 terminal
Storage Type:
General purpose warehouse
Maximum Continuous Load Current Rating Per Pole:
20.0 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:
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
Trip Delay Time In Seconds Per Rated Continuous Current:
120.000 at 200 pct all locations
Inclosure Protection Type For Which Designed:
Fungus resistant
Trip Release Ambient Tempurature Rating:
25.0 degrees celsius all locations
Frequency In Hertz:
60.0 all locations
Packaged Unit Weight:
0.688 pounds
Terminal Type And Quantity:
6 clip
NSN:
5925-00-937-0552
Item Name:
Overload Switch
Cage Code:
56303

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
3304416-1
Cage Code:
99251
RNCC:
3
RNVC:
2
RNAAC:
BD
Status:
A
MSDS:
SADC:
Part Number:
2330676G3
Cage Code:
31550
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
2330676G3
Cage Code:
28528
RNCC:
5
RNVC:
9
RNAAC:
CL
Status:
A
MSDS:
SADC:
Part Number:
Q0-320
Cage Code:
14799
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N QO320

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Last Updated: 07/31/2025