Rockwell Automation 440G-TLS-Z Guard Locking Switch Installation Instructions (Supplemental) User Manual
Rockwell Automation Equipment
 
Rockwell Automation 440G-IN012A-EN-P — September 2014
440G-TLS-Z Guard Locking Switch
Installation Instructions (Supplemental)
Original instructions in English
Additional information for escape release and manual release cover versions with separate or fitted key.
Escape release version of TLS-Z power to release — 
440G-TZS21UERH
Intended to allow 
access through the 
guarding (escape) and 
not an emergency stop 
device.
Meets ISO 14119:2013 
Clause 5.7.5.2. 
Escape release push.
Mechanical life of 10,000 
operations
Max speed of actuation 
160 mm/s 
Max force 50 N
Minimum distance to release 5 mm (0.2 in.)
When the escape release is operated with the switch in the locked condition and with power 
applied the OSSD outputs will turn off and the switch will enter a non-recoverable fault 
(4 Hz red flash) requiring a power cycle to reset.
Fitted manual release cover and fitted key — 
440G-TZS21URRH
Intended to allow 
access through the 
guarding from the 
outside of the 
hazardous area 
(Emergency situations) 
and not as an 
emergency stop device 
or for routine manual 
access.
Meets ISO 14119:2013 
Clause 5.7.5.3. 
Ensure the switch is 
mounted/protected so as 
to prevent accidental 
operation.
When the manual release is operated with the switch in the locked condition and with power 
applied the OSSD outputs will turn off and the switch will enter a non-recoverable fault 
(4 Hz red flash) requiring a power cycle to reset
Ensure the knob is fully rotated back to the locked position before resuming operation.
90°
Fitted manual release cover and separate key — 
440G-TZS21UARH
Intended to allow access through the guarding from the outside of the hazardous 
area (exceptional situations) and not as an emergency stop device or for routine 
manual access. 
Meets ISO 14119:2013 Clause 5.7.5.4.
When the manual release is operated with the switch in the locked condition and with power 
applied the OSSD outputs will turn off and the switch will enter a non-recoverable fault (4 Hz 
red flash) requiring a power cycle to reset.
Ensure the knob is fully rotated back to the locked position before resuming operation and that 
key is not left attached.
90°