Installation Instructions
Original Instructions
Top Push Plug-in Limit Switches
Catalog Number 802T-x
ATTENTION: To avoid electrical shock and/or unintended
operation of equipment, disconnect all power to the limit
switch and the controlled equipment before proceeding with
any repair or adjustment of the limit switch.
Mounting
Position the conduit that enters the switch so that any fluid inside the conduit does
not drain into the switch enclosure. Use a sealing compound on the conduit
threads. This seal helps prevent fluids from going through the threads.
Mount the base by one of the following methods:
•
Two #10-32 tapped holes are provided for rear mounting.
ATTENTION: Verify that the screws that are used for rear
mounting are not too long. If the screws are too long, they can
interfere with the screws that are used to secure the front to
the base.
•
Two clearance holes for #10 screws are provided for front mounting.
Wiring
ATTENTION: The contacts in each switch element must have
the same polarity. The circuit diagram is shown on the
nameplate.
The pressure type connector terminals in the base accept 3.3 mm² (12 AWG) and
smaller solid or stranded wire. For proper tightening, we suggest using nothing
smaller than 0.82 mm² (18 AWG). Before you insert the wire under the pressure
plates, strip the insulation approximately 9.5 mm (3/8 in.). Tighten all pressure
plate terminal screws, whether used or not, to avoid interference with the switch
cover.
A grounding screw is in the terminal base enclosure near the conduit opening. If
the ground screw has a self-lift pressure plate and a wire barrier, the proper
installed position of the ground wire is between the pressure plate and the wire
barrier in a direction parallel to the edge of the casting. Be sure that the ground
wire does not interfere with the gasket or with the switch portion of the device.
After the wiring has been completed, be sure that all wires are in the wiring cavity
of the terminal block. This step eliminates the interference of the switch when it is
plugged into the terminal block. Recheck all wiring terminal screws for tightness.
IMPORTANT
For switches that have been factory-wired, check wire
colors and their position in the terminal block for
proper circuit hookup.
When the switch has been plugged into the terminal
block, securely tighten the two cover screws to
compress the body gasket.
Actuator Head Positioning
In some cases, it may be necessary to rotate the top push roller head 90°. Loosen
the four head screws. Place the head in the desired position and securely tighten
the four screws.
Renewal Parts
If renewal parts or additional lubricant is required, provide the bulletin number,
catalog number, and series letter found on the nameplate.
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Publication 802T-IN008B-EN-P - August 2021 | Supersedes Publication 802T-IN008A-EN-P - September 2017
Copyright © 2021 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.
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