#1900-4-B10C Master Disconnect Switch | Switches

1900-4-B10C

Rotary Switch

NSN 5930-00-973-8289

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
009738289

Technical Specifications of NSN

Thread Class:
2a single mounting facility
Thread Length:
0.437 inches single mounting facility
Hazardous Locations/environmental Protection:
Dustproof
Overall Length:
2.702 inches
First Flat Length:
0.250 inches single actuator
Flat Height:
0.210 inches single actuator
Shaft Diameter:
0.250 inches single actuator
Shaft Length:
0.375 inches single actuator
Overall Diameter:
1.100 inches
Individual Section Quantity:
4
Nonturn Device Type:
Slotted bushing at 3: 00 o'clock
Switch Contact Basic Design:
Nonpile-up symmetrical
Pole Quantity:
1 each section front
Throw Quantity:
10 each section rear
Mounting Method:
Threaded bushing single mounting facility
Thread Size:
0.375 inches single mounting facility
Contact Voltage Rating In Volts:
115.0 ac at sea level
Contact Voltage Rating In Volts:
28.0 dc at sea level
Shaft Flat/slot Angular Location:
216.0 degrees from nonturn device single actuator
Rotor Through Connection Quantity:
1 each section
Switch Actuator Indexing Position Quantity:
10 single actuator
Shaft Type:
Round, flatted single actuator
Terminal Type:
Tab, solder lug
Contact Switching Action:
Breaks before makes each section rear
Switch Actuator Positioning Increment:
36.0 degrees single actuator
Contact Load Current Rating:
3.0 amperes resistive load dc at sea level and 2.0 amperes inductive load dc at sea level
Contact Load Current Rating:
5.0 amperes resistive load ac at sea level
Precious Material And Location:
Contacts silver
Precious Material:
Silver
Style Designator:
Tap, circular, bushing mount
Thread Series Designator:
Unef single mounting facility
NSN:
5930-00-973-8289
Item Name:
Switch,master Disconnect
Cage Code:
91812

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
X1900-4-B10C
Cage Code:
91812
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Rotary Switches
------------ P/N 1900-4-B10C

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Last Updated: 03/27/2025