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D478-R1MD

Description
Snap Acting/Limit Switch, SPST, On-(off), Momentary, 8.89mm, Quick Connect Terminal, Straight Lever Actuator, Panel Mount,
CategoryMechanical and electronic products    switch   
File Size262KB,6 Pages
ManufacturerThe Cherry Corporation
Environmental Compliance  
Download Datasheet Parametric View All

D478-R1MD Overview

Snap Acting/Limit Switch, SPST, On-(off), Momentary, 8.89mm, Quick Connect Terminal, Straight Lever Actuator, Panel Mount,

D478-R1MD Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Reach Compliance Codecompliant
ECCN codeEAR99
Actuator angle
Executor completedNICKEL
Actuator length1.58 inch
Actuator materialSTEEL
Actuator stroke8.89 mm
Actuator typeSTRAIGHT LEVER
Other featuresLIGHT FORCE, HIGH RATIO
body width10.3124 mm
Body colorRED
body height15.875 mm
Body length or diameter27.813 mm
center contact materialBERYLLIUM COPPER
Contact (AC) maximum rated R load3A@250VAC
Maximum contact current (AC)3 A
Contact functionON-(OFF)
contact timeSNAP ACTION
Maximum contact voltage (AC)250 V
End contact materialBERYLLIUM COPPER
Shell materialPOLYESTER
insulator materialPOLYESTER
JESD-609 codee3
Manufacturer's serial numberD4
Installation featuresPANEL MOUNT
work location0.6 inch
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
surface mountNO
Switch actionMOMENTARY
switch functionSPST
Switch typeSNAP ACTING/LIMIT SWITCH
Terminal surfaceMatte Tin (Sn)
Terminal length0.397 inch
Termination typeQUICK CONNECT
GO TO TABLE OF CONTENTS
D4 Series
Features
s
8 current ratings
s
Choice of actuators
s
Various terminal types
s
3 contact arrangements
s
Choice of standard or light
operating force
s
Long life coil spring mechanism
s
Agency approved extended
life versions
s
VDE approved versions available
upon request
s
Stackable case and cover
available upon request
Miniature
OR
®
Flame retardant, UL94V-O
self-extinguishing case and cover.
Long life stainless steel
spring mechanism.
ARC-resistant case
has internal barriers
4mm minimum between
live parts and external
hardware.
NC Terminal
NO Terminal
Reinforced mounting holes totally
contained in case to provide
maximum distance to mounting
hardware. Choice of U.S. (#4 screw)
or metric (3mm screws).
Offset terminals maintain
adequate spacing when
quick connects are used.
Single or double throw,
either normally open or
normally closed.
Common Terminal
3-6
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