Model: MS3320-25

Circuit Breaker

Properties:

Body Style
Single pole type
Bushing Length
0.250 inches
Body Length
0.781 inches
Body Width
0.593 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
0.500 inches
Mounting Surface To Terminal End Distance
1.343 inches
Pole Quantity
2
Mounting Facility Type And Quantity
1 threaded bushing
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
25.0 amperes ac single location and 25.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts
115.0 ac single location and 28.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
2000.0 ac single location and 2500.0 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
138.0 single location
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 push-pull
Actuator Function
Trip-reset
Actuator Position Designation
At pole one
Internal Trip Release Configuration
Series trip single location
Thread Size
0.437 inches
Trip Delay Time In Seconds Per Rated Continuous Current
1.500 at 200 pct single location and 40.000 at 200 pct single location
Trip Release Ambient Tempurature Rating
25.0 degrees celsius single location
Frequency In Hertz
400.0 single location
Thread Series Designator
Un
Terminal Type And Quantity
2 tab w/screw
NSN
5925-01-579-3438
Part Number
MS3320-25
Description
Circuit Breaker
CAGE
96906

A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller.

Part MS3320-25 NSN 5925-01-579-3438

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00136
FIIG:
A030A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8536200040
  • SITC: 77252
  • End Use: Electric apparatus
  • NAICS: 335313
  • USDA: 1

Freight Class: Automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi

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