#620B302 Thermal Magnetic Trip Breaker | Circuit Breakers

620B302

Circuit Breaker

NSN 5925-01-033-0457

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
010330457

Detail Specifications

Thread Pitch Diameters:
+0.3503/+0.3537 inches
Body Style:
Multipole-single actuator type
Bushing Length:
Between 0.332 inches and 0.380 inches
Body Length:
1.562 inches
Body Width:
1.937 inches
Case Material:
Metal
Center To Center Distance Between Terminals Parallel To Length:
0.906 inches
Center To Center Distance Between Terminals Parallel To Width:
Between 0.594 inches and 0.656 inches
Fragility Factor:
Moderately rugged
Mounting Surface To Terminal End Distance:
1.828 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
1 threaded bushing w/panel seal
Storage Type:
General purpose warehouse
Special Handling Feature:
Magnetic
Thready Qty Per Inch (tpi):
32
Maximum Continuous Load Current Rating Per Pole:
3.0 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:
300.0 ac all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Magnetic-hydraulic all locations
Trip Release Characteristic:
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
130.0 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:
1.000 at 200 pct all locations and 5.000 at 200 pct all locations
Inclosure Protection Type For Which Designed:
Fungus resistant and hermetically sealed and moisture resistant and salt spray proof
Frequency In Hertz:
400.0 all locations
Unpackaged Unit Weight:
150.0 grams
Precious Material And Location:
Contact surfaces silver
Test Data Document:
81349-mil-c-39019 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator:
Unef
Terminal Type And Quantity:
6 wire hook
Specification Data:
81349-mil-c-39019/5 government specification
NSN:
5925-01-033-0457
Item Name:
Thermal Magnetic Trip Breaker
Cage Code:
81541

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
M39019-5-36
Cage Code:
81349
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
M39019/05-225
Cage Code:
81349
RNCC:
2
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
MIL-C-39019/5
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
ST1K023-1
Cage Code:
22915
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
G330011S10
Cage Code:
24930
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
AP111-277-1
Cage Code:
81541
RNCC:
C
RNVC:
1
RNAAC:
TX
Status:
A
MSDS:
SADC:
AF
Part Number:
10526146
Cage Code:
10001
RNCC:
E
RNVC:
8
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
10526146
Cage Code:
19200
RNCC:
E
RNVC:
8
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
10526146
Cage Code:
19204
RNCC:
E
RNVC:
8
RNAAC:
BF
Status:
A
MSDS:
SADC:
Part Number:
AP112-485-112
Cage Code:
81541
RNCC:
E
RNVC:
8
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
533257-112
Cage Code:
96214
RNCC:
E
RNVC:
8
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
AP112-1-42-302
Cage Code:
81541
RNCC:
E
RNVC:
8
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N 620B302

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Last Updated: 06/04/2025