#W58XB1A4A20 Overload Switch | Circuit Breakers

W58XB1A4A20

Circuit Breaker

NSN 5925-00-256-4884

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002564884

Product Technical Spec.

Body Style:
Single pole type
Bushing Length:
0.500 inches
Body Length:
1.375 inches
Body Width:
0.660 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Length:
0.850 inches
Fragility Factor:
Moderately rugged
Mounting Surface To Terminal End Distance:
1.815 inches
Pole Quantity:
1
Arc Quenching Method:
Air
Mounting Facility Type And Quantity:
1 threaded bushing
Storage Type:
General purpose warehouse
Thready Qty Per Inch (tpi):
28
Maximum Continuous Load Current Rating Per Pole:
20.0 amperes ac single location and 20.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts:
250.0 ac single location and 50.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
1000.0 ac single location and 2000.0 dc single location
Circuit Protection Type:
Overcurrent single location
Trip Release Method:
Thermal single location
Trip Release Characteristic:
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
145.0 single location
Reset Method:
Manual
Main Contact Tripping Mechanism Type:
Trip free
Manual Actuator Type And Quantity:
1 push button
Actuator Function:
Reset
Internal Trip Release Configuration:
Series trip single location
Thread Size:
0.438 inches
Trip Delay Time In Seconds Per Rated Continuous Current:
6.000 at 200 pct single location and 30.000 at 200 pct single location
Inclosure Protection Type For Which Designed:
Shock resistant and vibration resistant
Trip Release Ambient Tempurature Rating:
25.0 degrees celsius single location
Frequency In Hertz:
60.0 single location
Unpackaged Unit Weight:
1.500 ounces
Thread Series Designator:
Unef
Terminal Type And Quantity:
2 quick disconnect, male
NSN:
5925-00-256-4884
Item Name:
Overload Switch
Cage Code:
77342

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
1373-0627
Cage Code:
00742
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
2 0186-794
Cage Code:
S3465
RNCC:
5
RNVC:
2
RNAAC:
ZF
Status:
A
MSDS:
SADC:
Part Number:
1373-0627
Cage Code:
00741
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
375-220-107
Cage Code:
79405
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
375-220-101
Cage Code:
77342
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 W58XB1A4A20

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Last Updated: 08/14/2025