Moujen Electric Co., Ltd. (Taiwan HQ) - Since 1961

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Precautions for Correct Use

Operating Environment

• This switch is only for indoor use. If it is used in outdoor, it may cause switch failure.

• Take special care if products are to be used at places where there is fine powder, mud and/or foreign materials

accumulating. Check actual using conditions before using. If this is unavoidable, highly recommend integrating

protective equipment. This is considered not Moujen’s obligations.

• Seal material may deteriorate if a Switch is used outdoor or where subject to special cutting oils, solvents, or

chemicals. Always appraise performance under actual application conditions and set suitable maintenance and

replacement periods. This is considered not Moujen’s obligations.

• Install Switches where they will not be directly subject to cutting chips, dust, or dirt. The Actuator and Switch must

also be protected from the accumulation of cutting chips or sludge.

Correct

❌Incorrect

• Constantly subjecting a Switch to vibration or shock can result in wear, which can lead to contact interference with

contacts, operation failure, reduced durability, and other problems. Excessive vibration or shock can lead to false

contact operation or damage. Install Switches in locations not subject to shock and vibration and in orientations that

will not produce resonance.

• The Switches have physical contacts. Using them in environments containing silicon gas will result in the formation

of silicon oxide (SiO2) due to arc energy. If silicon oxide accumulates on the contacts, contact interference can occur.

If silicon oil, silicon filling agents, silicon cables, or other silicon products are present near the Switch, suppress arcing

with contact protective circuits (surge suppressor) or remove the source of silicon gas.

• If the Switch will be left in a location outside the storage environment conditions, if condensation has formed, or after

long term storage exceeding one year, at the minimum, check the operating characteristics, contact resistance,

insulation resistance, and dielectric strength. And conduct a check under the operating conditions.

Handling & Usage

• Do not remove or replace any built-in switches. Doing so may damage the product, resulting in increased risk of

malfunctioning.

• Do not use excessive force to insert, remove or twist keys of key-selector products. Doing so may damage the

product, resulting in increased risk of malfunctioning.

• Do not actuate products and hold its position for excessive amounts of time. Doing so will reduce the life of the

internal spring as well as structural integrity; thus, increase risk of malfunctioning.

• Do not bend or twist cables with excessive force. When bending is required, provide a bending radius of 45 mm min.

so as not to damage the cable insulation or sheath. Excessive bending may cause fire or leakage current.

• To change the installation position of the actuator: By loosening the Allen-head bolt on the actuator lever, the position

of the actuator can be set anywhere within 360°.

• To change the orientation of the head: By removing the head screws (two or four screws), mounting in any of four

orientations is possible. Be sure to change the plunger for internal operations at the same time. The roller plunger can

be set in either of two positions at 90°.

• Flipping the roller to a different side: Loosen the Allen-head bolt, allows flipping the roller to the opposite side.

• Adjusting the length of the rod or lever: The length of the rod or lever can be adjusted by loosening the Allen-head

bolt.

• Adjusting the rolling arm lever: (i) The roller arm can be set freely within a range of 225° after loosening the nut. (ii)

The roller arm mounting bracket can be set in any direction after loosening the nut.