#91212 Master Disconnect Switch | Switches

91212

Rotary Switch

NSN 5930-00-238-2432

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
002382432

Product Technical Spec.

Overall Length:
8.625 inches
Overall Height:
4.750 inches
Overall Width:
4.750 inches
First Flat Length:
1.125 inches single actuator
Flat Height:
0.281 inches single actuator
Shaft Diameter:
0.375 inches single actuator
Shaft Length:
1.563 inches single actuator
Unthreaded Mounting Hole Diameter:
0.406 inches single mounting facility and 0.410 inches single mounting facility
Individual Section Quantity:
3
Knob Manufacturer Code:
82121
Knob Manufacturer Part Number:
A
Longest Horizontal Distance Between Mounting Centers:
3.781 inches single mounting facility
Longest Vertical Distance Between Mounting Centers:
3.781 inches single mounting facility
Switch Contact Basic Design:
Nonpile-up symmetrical
Pole Quantity:
1 each section front
Throw Quantity:
2 each section rear
Mounting Method:
Unthreaded hole single mounting facility
Features Provided:
Actuator knob
Contact Voltage Rating In Volts:
450.0 ac at sea level
Rotor Through Connection Quantity:
1 each section
Mounting Facility Pattern:
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity:
4 single actuator
Shaft Type:
Round, flatted, threaded hole single actuator
Terminal Type:
Threaded stud
Contact Switching Action:
Breaks before makes each section rear
Switch Actuator Positioning Increment:
90.0 degrees single actuator
Switch Actuator Stop Device Type:
Fixed stop single actuator
Contact Load Current Rating:
60.0 amperes resistive load ac at sea level
Style Designator:
Tap, square frame
NSN:
5930-00-238-2432
Item Name:
Switch,master Disconnect
Cage Code:
82121

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Rotary Switches
------------ P/N 91212

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Last Updated: 04/14/2025