P.O. Box 13615
Milwaukee, WI 53213
Toll-Free Phone 800.288.8178
Toll-Free Fax 800.298.3503
N49 W13650 Campbell Drive
Menomonee Falls, WI 53051
Phone 262.783.3500
Fax 262.783.3510
www.magnetek.com
Instruction Sheet No. 126-11170 R0
SBU-BzS-B Buzzer Switch
Instruction Sheet
Lean the fixed contactor base to 45° and insert the casing.
Rotate the fixed contactor base clockwise to 45° (see Figure 2).
Use the round crimp terminals.
Tighten the M4 terminal screws to a tightening torque of 12 – 14 kgf.cm (1.2 – 1.4 N.m).
Removing the Buzzer Switch
Primary Method
Remove the terminal screws.
Remove
the
wiring.
Rotate the fixed contactor base counterclockwise to 45°.
Pull the fixed contactor base.
Remove the hexagon nut and spring washer.
Pull the button cap and casing from the front housing.
Figure 3: Primary Buzzer Removal Method
Alternate Method
Alternately, insert a flathead screwdriver into the slit of the cover, and the pawl of the cover is deformed.
Rotate the fixed contactor base counterclockwise to 45°, and the fixed contactor base is drawn out.
Remove the hexagon nut and spring washer.
Pull the button cap and casing from the front housing.
Figure 4: Alternate Buzzer Removal Method
Operation
Do not expose the buzzer switch to excessive shocks and vibrations. Otherwise, the switch may become deformed or
damaged, causing malfunctions or operation errors.
