Model: SW-251S-2

Rotary Switch

Properties:

Thread Class
2b single mounting facility
Hazardous Locations/environmental Protection
Oil resistant
Overall Length
3.400 inches
Overall Height
1.255 inches
Overall Width
1.620 inches
Individual Section Quantity
1
Knob Manufacturer Code
95146
Knob Specificationial Markings
Arrow
Longest Horizontal Distance Between Mounting Centers
0.750 inches single mounting facility
Operating Tempurature Range
-20.0/+50.0 degrees celsius
Switch Contact Basic Design
Pile-up
Mounting Method
Threaded hole single mounting facility
Features Provided
Actuator knob and cam actuated
Thready Qty Per Inch (tpi)
40 single mounting facility
Pile-up Contact Form Arrangement
1a single switch single section in-line
Thread Size
0.112 inches single mounting facility
Contact Voltage Rating In Volts
120.0 lowest ac voltage rating at sea level
Contact Voltage Rating In Volts
250.0 highest ac voltage rating at sea level
Mounting Facility Pattern
Two position in-line single mounting facility
Cam Actuated Switch Contact Arrangement
1 pole, single throw, both positions maintained single switch single section in-line
Switch Actuator Indexing Position Quantity
2 single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes single section in-line
Contact Load Current Rating
12.0 amperes resistive load lowest ac voltage rating at sea level
Contact Load Current Rating
6.0 amperes resistive load highest ac voltage rating at sea level
Precious Material And Location
Contacts silver
Precious Material
Silver
Style Designator
In-line, cam actuated
Thread Series Designator
Unc single mounting facility
NSN
5930-01-050-7162
Part Number
SW-251S-2
Description
Switch,rotary
CAGE
00779

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 SW-251S-2 NSN 5930-01-050-7162

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:
S
ESD:
ESD:
MMAC:
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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