#2A1S129 Master Disconnect Switch | Switches

2A1S129

Rotary Switch

NSN 5930-00-949-1285

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
009491285

Detail Specifications

Thread Class:
2a single mounting facility
Thread Length:
0.250 inches single mounting facility
Overall Length:
8.094 inches
Overall Height:
1.750 inches
Overall Width:
2.250 inches
Shaft Diameter:
0.250 inches single actuator
Shaft Length:
0.625 inches single actuator
Nonturn Device Radius:
0.500 inches at 12: 00 o'clock
Individual Section Quantity:
9
Nonturn Device Type:
Tab at 12: 00 o'clock
Switch Contact Basic Design:
Nonpile-up symmetrical
Pole Quantity:
1 each section rear
Throw Quantity:
12 each section rear
Mounting Method:
Threaded bushing single mounting facility
Thread Size:
0.375 inches single mounting facility
Contact Voltage Rating In Volts:
120.0 ac at sea level
Switch Actuator Indexing Position Quantity:
12 single actuator
Shaft Type:
Round single actuator
Terminal Type:
Tab, solder lug
Contact Switching Action:
Makes before breaks each section rear
Switch Actuator Positioning Increment:
15.0 degrees single actuator
Switch Actuator Stop Device Type:
Fixed stop single actuator
Contact Load Current Rating:
5.0 amperes resistive load ac at sea level
Precious Material And Location:
Contact surfaces silver
Precious Material:
Silver
Style Designator:
Circular wafer, bushing mount
Thread Series Designator:
Unef single mounting facility
NSN:
5930-00-949-1285
Item Name:
Switch,master Disconnect
Cage Code:
83332

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
2A#1S12-9/ST
Cage Code:
52263
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
9X
Part Number:
2A#1S12-9/ST
Cage Code:
83332
RNCC:
3
RNVC:
9
RNAAC:
ZG
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Rotary Switches
------------ P/N 2A1S129

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Last Updated: 04/13/2025