Datasheet
 www.apem-idec.eu
D-024
APEM
Switches & 
Pilot Lights
Control Boxes
Emergency 
Stop Switches
Enabling 
Switches
Safety Products
Explosion Proof
Terminal Blocks
Relays & Sockets
Circuit 
Protectors
Power Supplies
LED Illumination
Controllers
Operator 
Interfaces
Sensors
AUTO-ID
Emergency Stop Switches
X6
XA
XW
XN
SEMI
ø16 XA Series Emergency Stop Switches
 Safety Precautions
Instructions
Removing the Contact Block
First unlock the operator button. While pushing up the white bayonet 
ring, using a small screwdriver (width: 2.5 to 3 mm) if necessary, turn 
the contact block counterclockwise and pull out. 
Do not exert exces-
sive force when using a screwdriver, otherwise the bayonet ring may 
be  dam aged.
Bayonet Ring
➀
 Push
➁
 Turn counterclockwise
Notes for Removing the Contact Block
1. When the contact block is removed, the monitor contact (NO contact) 
is closed.
2. While removing the contact block, do not exert excessive force, oth
-
erwise the switch may be damaged.
Panel Mounting
Remove the locking ring from the operator and check that the rubber 
gasket is in place. Insert the operator from panel front into the panel 
hole. Face the side with the anti-rotation protrusion on the operator 
upward, and tighten the locking ring.
Operator Unit
Locking Ring
Anti-rotation 
Protrusion 
Rubber Gasket
Notes for Panel Mounting
To mount the XA emergency stop switches onto a panel, tighten the 
locking ring to a tightening torque of 0.88 N·m maximum using ring 
wrench MT-001. Do not use pliers. Do not exert excessive force, other
-
wise the locking ring may be damaged.
Installing the Contact Block
First turn the bayonet ring to the unlocked position.
Bayonet Ring
Unlocked
Locked
Align the small ▲ marking on the edge of the operator base with the 
TOP marking on the contact block. Press the con tact block onto the 
operator and turn the contact block clock wise until the bayonet ring 
clicks.
TOP marking
▲
 marking
TOP marking (contact block)
➀
 Press
➁
 Turn
Notes for Installing the Contact Block
Check that the contact block is securely installed on the opera tor. When 
the emergency stop switch is properly assembled, the bayonet ring is in 
place as shown below.
Removing the LED Unit (Contact Block)
Pull out the LED unit while squeezing the latches on the LED unit using 
the LED unit removal tool (MT-101).
TOP side
Latches
Squeeze the LED unit 
on the latches and 
pull out.
Gasket
Locking Ring
Projection
Operator
Contact BlockUnibody 
• Turn off power to the XA series emergency stop switch before start-
ing installation, removal, wiring, maintenance, and inspection of the 
relays. Failure to turn power off may cause electrical shock or re 
hazard.
• Use the LED unit removal tool when replacing the LED unit to avoid 
burn on your hands.
• Use wires of the proper size to meet the voltage and cur rent require-
ments, and solder the wires correctly. If solder ing is incomplete, the 
wire may heat during operation, causing re hazard.










