#1550-18 Voltage Selector | Switches

1550-18

Rotary Switch

NSN 5930-00-548-4630

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005484630

Product Features

Four dummy terminals on front of section one and eight dummy terminals on rear of section two

Product Technical Spec.

Thread Class:
2a single mounting facility
Thread Length:
0.375 inches single mounting facility
Overall Length:
4.625 inches
Overall Height:
1.938 inches
Overall Width:
1.625 inches
First Flat Length:
0.375 inches single actuator
Flat Height:
0.187 inches single actuator
Shaft Diameter:
0.250 inches single actuator
Shaft Length:
1.000 inches single actuator
Nonturn Device Radius:
0.531 inches at 10: 00 o'clock
Individual Section Quantity:
2
Nonturn Device Type:
Tab at 10: 00 o'clock
Switch Contact Basic Design:
Nonpile-up symmetrical
Pole Quantity:
1 1st section rear
Pole Quantity:
1 2nd section front
Throw Quantity:
4 1st section rear
Throw Quantity:
4 2nd section front
Mounting Method:
Threaded bushing single mounting facility
Thread Size:
0.375 inches single mounting facility
Contact Voltage Rating In Volts:
110.0 ac at sea level
Contact Voltage Rating In Volts:
28.0 dc at sea level
Switch Actuator Indexing Position Quantity:
4 single actuator
Shaft Type:
Round, flatted single actuator
Terminal Type:
Tab, solder lug
Contact Switching Action:
Makes before breaks 1st section rear
Contact Switching Action:
Makes before breaks 2nd section front
Switch Actuator Positioning Increment:
30.0 degrees single actuator
Contact Load Current Rating:
0.5 amperes resistive load ac at sea level
Contact Load Current Rating:
1.0 amperes resistive load dc at sea level
Style Designator:
Circular wafer, bushing mount
Thread Series Designator:
Unef single mounting facility
NSN:
5930-00-548-4630
Item Name:
Voltage Selector
Cage Code:
76854

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
U28-5556
Cage Code:
3B150
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
U28-5556
Cage Code:
49956
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Band Switches
------------ P/N 1550-18

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Last Updated: 04/14/2025