#S021Y3973BA Input Mains Breaker | Circuit Breakers

S021Y3973BA

Circuit Breaker

NSN 5925-00-816-2671

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
008162671

Detail Specifications

Case Material:
Metal
Pole Quantity:
3
Maximum Continuous Load Current Rating Per Pole:
800.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts:
500.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
100000.0 ac all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Magnetic all locations
Trip Release Characteristic:
Instantaneous all locations and time delay all locations
Reset Method:
Automatic
Manual Actuator Type And Quantity:
1 push button
Frequency In Hertz:
60.0 all locations
Terminal Type And Quantity:
6 bus bar
Reference Number Differentiating Characteristics:
As differentiated by continuous load current rating per pole, trip release characteristic
NSN:
5925-00-816-2671
Item Name:
Breaker,input Mains
Cage Code:
11660

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
S021Y3973B10
Cage Code:
40986
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
445D686SUB3SH2-6
Cage Code:
65054
RNCC:
3
RNVC:
1
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
445D686SUB3SH2-6
Cage Code:
79500
RNCC:
5
RNVC:
1
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
S021Y3973B10
Cage Code:
11660
RNCC:
5
RNVC:
9
RNAAC:
HD
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N S021Y3973BA

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Last Updated: 08/13/2025