10.SPINDLE-RELATED OPTIONS B-65282EN/05
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10.2 POWER LINE SWITCH UNIT
10.2.1 Overview
The switch unit is installed between a spindle amplifier module and
spindle motor to exercise spindle switch control and output switch
control.
(1) Power switching from one motor to another (spindle switch
control)
(2) Power line switching between the two different windings of a
motor (output switch control)
NOTE
This switch function cannot be used with the αCi
series.
10.2.2 Specification
Magnetic contactor specification
FANUC ordering
drawing number
A58L-0001-0306
Fuji Electric (SC-3N)
A58L-0001-0312
Fuji Electric (SC-6N)
Rated voltage 220V 220V
Rated current 65A 125A
Closing 780A Closing 1500A
Closing/breaking current
capacity
Breaking 650A Breaking 1250A
Open/close frequency 1200 times/hour or more
Mechanical 5,000,000 times or more
Life
Electrical 1,000,000 times or more
Rating of operating
electromagnetic coil
200V/220V 15% to
+10%
50/60Hz ±1Hz
Target spindle amplifier
module
Up to SPM-15i Up to SPM-30i
Relay specification
FANUC ordering
drawing number
A58L-0001-0307 OMRON (Model LY2-D)
Rated voltage 24V ±10%
Rated current 36.9mA