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D378-W9AA

Description
Snap Acting/Limit Switch, SPST, On-(off), Momentary, 2.7mm, Screw Terminal, Button Type Actuator, Panel Mount,
CategoryMechanical and electronic products    switch   
File Size2MB,3 Pages
ManufacturerThe Cherry Corporation
Environmental Compliance
Download Datasheet Parametric View All

D378-W9AA Overview

Snap Acting/Limit Switch, SPST, On-(off), Momentary, 2.7mm, Screw Terminal, Button Type Actuator, Panel Mount,

D378-W9AA Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerThe Cherry Corporation
Reach Compliance Codecompliant
ECCN codeEAR99
Actuator angle
Actuator length0.114 inch
Actuator materialTHERMOPLASTIC
Actuator stroke2.7 mm
Actuator typeBUTTON TYPE
Other featuresWITHOUT AUXILIARY ACTUATOR
body width10.3 mm
body height15.9 mm
Body length or diameter27.8 mm
center contact materialBERYLLIUM COPPER
Center contact platingSILVER
Contact (AC) maximum rated load M2A@250VAC
Contact (AC) maximum rated R load10A@250VAC
Maximum contact current (AC)10 A
Contact functionON-(OFF)
contact timeSNAP ACTION
Maximum contact voltage (AC)250 V
Electrical life6000 Cycle(s)
End contact materialBERYLLIUM COPPER
End contact platingSILVER
Shell materialPOLYESTER
insulator materialPOLYESTER
Manufacturer's serial numberD3
Installation featuresPANEL MOUNT
Maximum operating force130 N
work location0.6 inch
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum pre-travel1.5 mm
surface mountNO
Switch actionMOMENTARY
switch functionSPST
Switch typeSNAP ACTING/LIMIT SWITCH
Termination typeSCREW
MINIATURE
D3 Series
Features
q
Self-cleaning effect of wiping contact
mechanism provides excellent reliability
Suitable for low actuation speeds
Highly flexible, due to
two mounting positions and a
variety of auxiliary actuators
Wide variety of terminal types
> 3mm (0.12″) contact gap available
POM actuating button
q
q
PET cover and base
q
q
NO terminal
Stainless steel spring
NC terminal
Silver contacts
Common terminal
Electrical Ratings
Switch
Series
EN61058 Rating
UL1054 Rating
Electrical Life at Rated Load
According to EN
According to UL
(Min. Operations)
(Min. Operations)
D36 – Std.
D37 – Std.
D38 – Std.
D36 – Light
D37 – Light
D38 – Light
4(2.5)A, 250V~
10(3)A, 250V~
16(4)A, 250V~
10(3)A, 400V~
4(1)A, 250V~
10(2)A, 250V~
16(2.5)A, 250V~
10(1.5)A, 400V~
4A, 250VAC
10A, 1/2HP, 125/250VAC
16A, 125/250VAC, 1HP
4A, 250VAC
10A, 1/2HP, 125/250VAC
16A, 125/250VAC, 1HP
50,000
50,000
50,000
50,000
50,000
50,000
6,000
6,000
6,000
6,000
6,000
6,000
Specifications
Electrical
Temperature Rating:
Flammability Rating:
Materials
-40° to +85°C
UL94V-O
PET
POM
Stainless Steel; Nickel-Plated Steel
Copper-Zinc
Silver Cadmium Oxide
Case:
Actuator:
Auxiliary Actuator:
Terminals:
Contacts:
PET = Polyethyleneterephthalate • POM = Polyacetal
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