Technical Specifications of NSN
Body Style:
Multipole-single actuator type
Bushing Length:
0.625 inches
Body Length:
2.000 inches
Center To Center Distance Between Terminals Parallel To Length:
1.530 inches
Center To Center Distance Between Terminals Parallel To Width:
0.750 inches
Switch Contact Arrangement:
Single pole, double throw
Mounting Surface To Terminal End Distance:
2.232 inches
Mounting Facility Type And Quantity:
1 threaded bushing w/panel seal
Thready Qty Per Inch (tpi):
32
Maximum Continuous Load Current Rating Per Pole:
20.0 amperes dc first location30.0 amperes dc second location
Operating Voltage Type And Rating Per Pole In Volts:
50.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
2000.0 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:
125.0 all locations
Main Contact Tripping Mechanism Type:
Trip free
Manual Actuator Type And Quantity:
1 toggle
Actuator Position Designation:
At pole two
Auxiliary Switch Function And Quantity:
1 alarm
Internal Trip Release Configuration:
Series trip all locations
Thread Size:
0.500 inches
Switch Location And Position Designation:
Internal at pole one
Trip Delay Time In Seconds Per Rated Continuous Current:
2.500 at 200 pct all locations and 20.000 at 200 pct all locations
Inclosure Protection Type For Which Designed:
Fungus resistant and vibration resistant and moisture resistant and shock resistant and salt spray proof and explosion resistant
Switch Terminal Type:
Tab, solder lug
Switch Current Rating And Type In Amps:
2.0 dc
Switch Voltage Rating And Type In Volts:
50.0 dc
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:
Un
Terminal Type And Quantity:
4 tab w/screw
Specification Data:
81349-mil-c-55629/21 government specification
Item Name:
Tri-break Fused Circuit Breaker
Other Related Parts
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
M55629/21SKUK
Part Number:
MIL-PRF-55629/21
