NSN 5925-00-257-5731
Overload Switch
Rectangular dimensional envelope body style, metal case material, 2 poles, maximum continuous load current rating per pole: 320.0 amperes dc all locations.
Manufacturer part number 56J972 for national stock number 5925002575731.
Datasheet
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Product description
Circuit Breaker NSN 5925-00-257-5731.
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MPN or Model
56J972
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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 -
Body Style
Rectangular dimensional envelope -
Overall Length
23.875 inches -
Overall Height
14.000 inches -
Overall Width
14.375 inches -
Case Material
Metal -
Unthreaded Mounting Hole Diameter
0.562 inches -
Pole Quantity
2 -
Mounting Facility Type And Quantity
6 unthreaded hole -
Maximum Continuous Load Current Rating Per Pole
320.0 amperes dc all locations -
Operating Voltage Type And Rating Per Pole In Volts
1000.0 dc all locations -
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
20000.0 dc all locations -
Circuit Protection Type
Overcurrent all locations -
Trip Release Method
Magnetic all locations -
Trip Release Characteristic
Time delay all locations -
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
156.0 all locations -
Reset Method
Automatic -
Manual Actuator Type And Quantity
1 rotary -
Internal Trip Release Configuration
Shunt trip all locations -
Terminal Type And Quantity
4 bus bar -
Reference Number Differentiating Characteristics
As differentiated by continuous load current per pole, ultimate trip rating of continuous current rating per pole in percent
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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 5925-00-257-5731 circuit breakerManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
56J972 | Westinghouse Electric Corp |
3001988AND985389 | Naval Ship Systems Command |
22D8934 | Westinghouse Electric Corp |
56J972AND22D8934 | Westinghouse Electric Corp |
19Y4162 | Westinghouse Electric Corp |