NSN 5925-01-191-3978
Overload Switch
Single pole type body style, plastic case material, moderately rugged fragility factor, pole quantity: 1.
Manufacturer part number AM1-A3-A-2-250-2 for national stock number 5925011913978.
Datasheet
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Product description
Circuit Breaker NSN 5925-01-191-3978.
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MPN or Model
AM1-A3-A-2-250-2
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Schedule B
8536.20.0040 (Automatic circuit breakers, for a voltage not exceeding 1, 000 v, nesoi) -
NMF (National Motor Freight)
061300 - Circuit Breaker/switch NOI -
Unit Weight (Est.)
0.2 lb -
Body Style
Single pole type -
Body Length
Between 2.490 inches and 2.510 inches -
Body Width
Between 0.740 inches and 0.760 inches -
Case Material
Plastic -
Center To Center Distance Between Terminals Parallel To Length
Between 1.928 inches and 1.948 inches -
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 2.052 inches and 2.072 inches -
Fragility Factor
Moderately rugged -
Boss Height
Between 0.130 inches and 0.150 inches -
Mounting Surface To Terminal End Distance
2.611 inches -
Pole Quantity
1 -
Arc Quenching Method
Magnetic blowout -
Mounting Facility Type And Quantity
2 threaded hole -
Storage Type
General purpose warehouse -
Thready Qty Per Inch (tpi)
32 -
Maximum Continuous Load Current Rating Per Pole
2.0 amperes ac single location -
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac single location -
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac single location -
Circuit Protection Type
Overcurrent single location -
Trip Release Method
Magnetic-hydraulic single location -
Trip Release Characteristic
Time delay single location -
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 single location -
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 -
Internal Trip Release Configuration
Series trip single location -
Thread Size
0.138 inches -
Trip Delay Time In Seconds Per Rated Continuous Current
2.000 at 200 pct single location and 20.000 at 200 pct single location -
Inclosure Protection Type For Which Designed
Fungus resistant and moisture resistant -
Frequency In Hertz
50.0 single location or 60.0 single location -
Unpackaged Unit Weight
3.000 ounces -
Thread Series Designator
Unc -
Terminal Type And Quantity
2 threaded stud
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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.
Pricing and Availability
Get a quote for 5925-01-191-3978 circuit breakerManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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AM1-A3-A-2-250-2 | Eaton Corp |