Technical Specifications of NSN
Body Style:
Single pole type
Body Length:
Between 1.969 inches and 2.031 inches
Body Width:
Between 0.719 inches and 0.781 inches
Center To Center Distance Between Terminals Parallel To Length:
Between 1.529 inches and 1.591 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
Between 1.629 inches and 1.691 inches
Fragility Factor:
Moderately rugged
Boss Height:
Between 0.099 inches and 0.161 inches
Mounting Surface To Terminal End Distance:
2.032 inches
Arc Quenching Method:
Magnetic blowout
Mounting Facility Type And Quantity:
2 threaded hole
Storage Type:
General purpose warehouse
Special Handling Feature:
Magnetic
Thready Qty Per Inch (tpi):
32
Maximum Continuous Load Current Rating Per Pole:
12.5 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts:
50.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
2000.0 dc single location
Circuit Protection Type:
Overcurrent single location
Trip Release Method:
Magnetic single location
Trip Release Characteristic:
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
125.0 single location
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:
0.130 at 200 pct single location and 1.400 at 200 pct single location
Inclosure Protection Type For Which Designed:
Fungus resistant
Test Data Document:
81349-mil-c-55629 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator:
Unc
Terminal Type And Quantity:
2 tab w/screw
Specification Data:
81349-mil-c-55629/7 government specification
Item Name:
Line Protective Switch
Other Related Parts
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
