#503A202 Line Protective Switch | Circuit Breakers

503A202

Circuit Breaker

NSN 5925-00-916-6590

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
009166590

Technical Specifications of NSN

Body Style:
Multipole-single actuator type
Bushing Length:
0.315 inches
Body Length:
1.750 inches
Body Width:
0.625 inches
Case Material:
Metal
Center To Center Distance Between Terminals Parallel To Length:
0.687 inches
Center To Center Distance Between Terminals Parallel To Width:
0.303 inches
Mounting Surface To Terminal End Distance:
1.635 inches
Pole Quantity:
2
Mounting Facility Type And Quantity:
Thd bushing
Storage Type:
General purpose warehouse
Thready Qty Per Inch (tpi):
32
Maximum Continuous Load Current Rating Per Pole:
2.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts:
50.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
500.0 dc all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Magnetic all locations
Trip Release Characteristic:
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
Internal Trip Release Configuration:
Series trip all locations
Thread Size:
0.375 inches
Trip Delay Time In Seconds Per Rated Continuous Current:
100.000 at 125 pct all locations and 0.800 at 200 pct all locations and 0.300 at 300 pct all locations and 0.170 at 400 pct all locations
Inclosure Protection Type For Which Designed:
Watertight
Thread Series Designator:
Unef
Terminal Type And Quantity:
4 wire hook
NSN:
5925-00-916-6590
Item Name:
Line Protective Switch
Cage Code:
81541

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
10018856-220
Cage Code:
18876
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
AP1-4-5-1-202
Cage Code:
81541
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
SM6-2-50VDC2
Cage Code:
74193
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N 503A202

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Last Updated: 08/12/2025