Heinemann CD1-Z290-2 Circuit Breaker 50A 120V 50/60HZ NSN: 5925-01-276-0456

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Circuit Breaker

NSN: 5925-01-276-0456   P/N: CD1-Z290-2   Model: WSS96340-1
ITAR Registered seal

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 elemen (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.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Body Style
Single pole type
Mounting Slot Width
0.164 inches
Body Length
5.800 inches
Body Width
1.025 inches
Case Material
Center To Center Distance Between Terminals Parallel To Length
3.547 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
4.750 inches
Fragility Factor
Moderately rugged
Boss Height
0.220 inches
Mounting Surface To Terminal End Distance
2.610 inches
Pole Quantity
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
2 threaded hole and 1 slot
Storage Type
General purpose warehouse
Special Handling Feature
Thready Qty Per Inch (tpi)
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac single location
Operating Voltage Type And Rating Per Pole In Volts
120.0 ac single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
5000.0 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
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Actuator Function
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 10.000 at 200 pct single location
Inclosure Protection Type For Which Designed
Fungus resistant and moisture resistant
Frequency In Hertz
60.0 single location
Unpackaged Unit Weight
0.562 pounds
Thread Series Designator
Terminal Type And Quantity
2 threaded stud

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