Model: MS378

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.250 inches single mounting facility
Overall Length
3.004 inches
Overall Height
1.938 inches
Overall Width
1.125 inches
First Flat Length
2.000 inches single actuator
Flat Height
0.218 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
2.031 inches single actuator
Nonturn Device Radius
0.531 inches at 9: 00 o'clock
Individual Section Quantity
1
Nonturn Device Type
Tab at 9: 00 o'clock
Operating Tempurature Range
-65.0/+125.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 single section rear
Throw Quantity
12 single section rear
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
30.0 lowest ac voltage rating at sea level
Contact Voltage Rating In Volts
30.0 lowest dc voltage rating at sea level
Contact Voltage Rating In Volts
300.0 highest ac voltage rating at sea level
Contact Voltage Rating In Volts
300.0 highest dc voltage rating at sea level
Rotor Through Connection Quantity
1 single section
Switch Actuator Indexing Position Quantity
12 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes single section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Detent Rotational Torque Range
+20.000/+48.000 inch-ounces single actuator
Contact Load Current Rating
50.0 milliamperes resistive load highest ac voltage rating at sea level
Contact Load Current Rating
50.0 milliamperes resistive load highest dc voltage rating at sea level
Contact Load Current Rating
500.0 milliamperes resistive load lowest ac voltage rating at sea level and 50.0 milliamperes inductive load lowest ac voltage rating at sea level
Contact Load Current Rating
500.0 milliamperes resistive load lowest dc voltage rating at sea level and 50.0 milliamperes inductive load lowest dc voltage rating at sea level
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-01-047-4758
Part Number
MS378
Description
Switch,rotary
CAGE
15782

A switch actuated by a definite angular rotation of the switch shaft about its axis. For items having rated actuation travel and pressure characteristics, see switch, sensitive. Excludes relay, rotary; switch, stepping; and switch, telephone (as modified).

Part MS378 NSN 5930-01-047-4758

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02134
FIIG:
A052B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509025
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, rotary, rated at over 5 a, for a voltage not exceeding 1,000 volts

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