Model: 495-578

Thermostatic Switch

Properties:

Overall Length
1.188 inches
Overall Height
Between 0.334 inches and 0.354 inches
Body Diameter
0.578 inches
Body Height
0.329 inches
Unthreaded Mounting Hole Diameter
0.109 inches
Distance Between Mounting Facility Centers
0.938 inches
Tempurature Sensing Element Type
Internal sensor
Mounting Method
Unthreaded hole
Features Provided
Hermetically sealed case
Contact Action Stimulus
Increase
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Tab, solder lug
Contact Load Current Rating
15.0 amperes resistive load first voltage
Contact Load Current Rating
10.0 amperes resistive load second voltage
Contact Load Current Rating
8.7 amperes resistive load third voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
188.00 actuation point degrees fahrenheit and 198.00 actuation point degrees fahrenheit and 160.00 deactuation point degrees fahrenheit and 176.00 deactuation point degrees fahrenheit and 25.00 differential point degrees fahrenheit
Contact Voltage Rating In Volts
120.0 ac at sea level first voltage
Contact Voltage Rating In Volts
240.0 ac at sea level fourth voltage
Contact Voltage Rating In Volts
277.0 ac at sea level third voltage
Media For Which Designed
Gas or liquid
Style Designator
Disc w/flange
NSN
5930-01-011-9252
Part Number
495-578
Description
Switch,thermostatic
CAGE
80089

A switch that is actuated by changes in ambient temperature. Excludes circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

Part 495-578 NSN 5930-01-011-9252

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00451
FIIG:
A048B0
Concept No.:
1
App. Key:
F
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:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9032100000
  • SITC: 87461
  • End Use: Measuring, testing, control instruments
  • NAICS: 334512
  • USDA: 1

Freight Class: Thermostats

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