#S4989D52G21 Tri-break Fused Circuit Breaker | Circuit Breakers

S4989D52G21

Circuit Breaker

NSN 5925-00-314-4294

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
003144294

Detail Specifications

Body Style:
Rectangular dimensional envelope
Overall Length:
6.000 inches
Overall Height:
3.969 inches
Overall Width:
2.750 inches
Case Material:
Plastic
Unthreaded Mounting Hole Diameter:
0.187 inches
Pole Quantity:
2
Mounting Facility Type And Quantity:
2 unthreaded hole
Maximum Continuous Load Current Rating Per Pole:
30.0 amperes ac all locations and 30.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts:
480.0 ac all locations and 250.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
15000.0 ac all locations and 10000.0 dc all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Thermal-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 one
Trip Delay Time In Seconds Per Rated Continuous Current:
30.000 at 200 pct all locations and 85.000 at 200 pct all locations
Trip Release Ambient Tempurature Rating:
40.0 degrees celsius all locations
Frequency In Hertz:
60.0 all locations
Terminal Type And Quantity:
4 screw
NSN:
5925-00-314-4294
Item Name:
Tri-break Fused Circuit Breaker
Cage Code:
89946

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
EHB2030
Cage Code:
89946
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
4989D52G21
Cage Code:
89946
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 S4989D52G21

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Last Updated: 06/28/2025