Datasheet

3
Safety
Safe Break Action
Direct Opening Action
Safety Lock Mechanism
Closed
(ON)
Open
World’s
First
World’s
First
Energy Energy
Operator Stroke
High
Low
High
Low
Operator Stroke
Normal Latched Normal Latched
Normal Status Latched Normal Status Latched
NC contacts are always on
standby to turn off (safe)
NC contacts are always on
standby to turn on
(hazardous)
NC contacts:
ON (machine
can operate)
NC contacts:
OFF (machine
cannot
operate)
NC contacts:
ON (machine
can operate)
NC contacts:
OFF (machine
cannot
operate)
Conventional Emergency Stop Switches
XA/XW Series Emergency Stop Switches
When the contact block is detached from the operator, the cam
directly opens the NC main contacts (contacts are off).
Operator
Contact Block
Detaching the Contact Block
Safety Features
IEC60947-5-5, 6.2
IEC60947-5-5, 5.2, IEC60947-5-1, Annex K
With the XA and XW emergency stop switches, the energy level of the “on”
(closed) NC contacts is higher than that of the “off” (open) contacts. If the
contact block falls off due to excessive shocks, the NC contacts are always
inclined to turn off, thus ensuring safety by stopping the machine.
(OFF)
Push-to-lock, Pull/Turn-to-unlatch
Unlatching by pulling Unlatching by turning
The XA and XW emergency stop switches can be unlatched by
either pulling or turning the operator.
Easy Operation
27.9
mm
Compact Size
XA Series
World’s
First
World’s
First
XW Series
ø16
ø22
World's
Shortest
World's
Shortest
The depth behind the panel is 27.9 mm.
Up to 4 contacts are available!
The depth behind the panel:
Solder terminal: 37.1 mm
Screw terminal: 48.7 mm
Up to 4 contacts save space.
48.7
mm
Space Saving!
Same dimensions
for any number of
contacts!
Conventional
Emergency Stop Switch
Same dimensions
for any number of
contacts!
As of June, 2004
Variety
Three terminal styles
Screw Terminal Solder Terminal PC Board Terminal
Two button colors
Bright Red
Munsell 7.5R4.5/14
Dark Red
Munsell 5R4/12