Technical Specifications of NSN
Body Style:
Multipole-multiple actuator type
Body Length:
Between 4.740 inches and 4.760 inches
Center To Center Distance Between Terminals Parallel To Length:
Between 3.540 inches and 3.560 inches
Center To Center Distance Between Terminals Parallel To Width:
Between 1.016 inches and 1.036 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
Between 2.740 inches and 2.760 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width:
Between 1.016 inches and 1.036 inches
Fragility Factor:
Moderately rugged
Boss Height:
Between 0.210 inches and 0.230 inches
Mounting Surface To Terminal End Distance:
Between 3.540 inches and 3.560 inches
Arc Quenching Method:
Magnetic blowout
Mounting Facility Type And Quantity:
8 threaded hole
Storage Type:
General purpose warehouse
Special Handling Feature:
Magnetic
Thready Qty Per Inch (tpi):
32
Maximum Continuous Load Current Rating Per Pole:
50.0 amperes ac first location50.0 amperes ac second location50.0 amperes ac third location
Operating Voltage Type And Rating Per Pole In Volts:
277.0 ac first location277.0 ac second location277.0 ac third location120.0 dc fourth location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
5000.0 ac first location5000.0 ac second location5000.0 ac third location5000.0 dc fourth location
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Magnetic-hydraulic all locations
Trip Release Characteristic:
Time delay first locationtime delay second locationtime delay third locationinstantaneous fourth location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
150.0 all locations
Main Contact Tripping Mechanism Type:
Trip free
Manual Actuator Type And Quantity:
4 toggle
Actuator Function:
Trip-reset
Actuator Position Designation:
At each pole
Internal Trip Release Configuration:
Series trip all locations
Thread Size:
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current:
200.000 at 200 pct first location200.000 at 200 pct second location20.000 at 200 pct second location and 20.000 at 200 pct third location and 20.000 at 200 pct first location and 200.000 at 200 pct third location
Inclosure Protection Type For Which Designed:
Dustproof and fungus proof
Frequency In Hertz:
400.0 first location400.0 second location400.0 third location
Thread Series Designator:
Unc
Terminal Type And Quantity:
8 threaded stud
Item Name:
Breaker,circuit
Other Related Parts
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
