Model: 257A7746NG1X2

Rotary Switch

Properties:

Overall Length
8.563 inches
Overall Height
2.500 inches
Overall Width
2.938 inches
Shaft Length
2.000 inches single actuator
Unthreaded Mounting Hole Diameter
0.250 inches single mounting facility
Individual Section Quantity
3
Knob Manufacturer Code
03497
Longest Horizontal Distance Between Mounting Centers
2.000 inches single mounting facility
Shortest Horizontal Distance Between Mounting Centers
1.000 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
2.188 inches single mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section periphery
Throw Quantity
8 each section periphery
Mounting Method
Unthreaded hole single mounting facility
Features Provided
Actuator knob
Contact Voltage Rating In Volts
115.0 lowest ac voltage rating at sea level
Contact Voltage Rating In Volts
24.0 lowest dc voltage rating at sea level
Contact Voltage Rating In Volts
550.0 highest ac voltage rating at sea level
Contact Voltage Rating In Volts
600.0 highest dc voltage rating at sea level
Mounting Facility Pattern
Isosceles triangle single mounting facility
Switch Actuator Indexing Position Quantity
8 single actuator
Shaft Type
Rectangular/square, threaded hole single actuator
Square Shaft Size
0.250 inches single actuator
Terminal Type
Screw
Contact Switching Action
Breaks before makes each section periphery
Switch Actuator Positioning Increment
45.0 degrees single actuator
Contact Load Current Rating
250.0 milliamperes resistive load highest dc voltage rating at sea level and 150.0 milliamperes inductive load highest dc voltage rating at sea level
Contact Load Current Rating
40.0 amperes resistive load lowest ac voltage rating at sea level and 24.0 amperes inductive load lowest ac voltage rating at sea level
Contact Load Current Rating
6.0 amperes resistive load highest ac voltage rating at sea level and 4.0 amperes inductive load highest ac voltage rating at sea level
Contact Load Current Rating
6.0 amperes resistive load lowest dc voltage rating at sea level and 4.0 amperes inductive load lowest dc voltage rating at sea level
Precious Material And Location
Contacts silver
Precious Material
Silver
Style Designator
Tap, circuit selector
NSN
5930-01-038-1213
Part Number
257A7746NG1X2
Description
Switch,rotary
CAGE
03497

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 257A7746NG1X2 NSN 5930-01-038-1213

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:
2.1000lbs
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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