Model: 2H18A2-2

Rotary Switch

Properties:

Thread Class
2a 1st mounting facility
Thread Class
2b 2nd mounting facility
Thread Length
0.312 inches 1st mounting facility
Overall Length
3.135 inches
Overall Height
2.062 inches
Overall Width
2.062 inches
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.688 inches single actuator
Nonturn Device Radius
0.500 inches at 12: 00 o'clock
Individual Section Quantity
2
Nonturn Device Type
Tab at 12: 00 o'clock
Longest Horizontal Distance Between Mounting Centers
1.375 inches 2nd mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
2 each section rear
Throw Quantity
2 each section rear
Mounting Method
Threaded bushing 1st mounting facility
Mounting Method
Threaded hole 2nd mounting facility
Thready Qty Per Inch (tpi)
32 2nd mounting facility
Thread Size
0.138 inches 2nd mounting facility
Thread Size
0.375 inches 1st mounting facility
Contact Voltage Rating In Volts
120.0 ac at sea level
Contact Voltage Rating In Volts
30.0 dc at sea level
Mounting Facility Pattern
Two position in-line 2nd mounting facility
Switch Actuator Indexing Position Quantity
2 single actuator
Shaft Type
Round single actuator
Terminal Type
Tab, solder lug and wire lead
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
22.5 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
2.0 amperes resistive load ac at sea level
Contact Load Current Rating
4.0 amperes resistive load dc at sea level
Style Designator
Square wafer, panel mount
Thread Series Designator
Unc 2nd mounting facility
Thread Series Designator
Unef 1st mounting facility
NSN
5930-00-250-7991
Part Number
2H18A2-2
Description
Switch,rotary
CAGE
54294

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 2H18A2-2 NSN 5930-00-250-7991

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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: 8536509020
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

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

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