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3-4. Connecting the power plug
CAUTION
:
In order to protect against accidents caused by a ground fault or dielectric voltage, be
sure to have the adequate power plug mounted by a person who has electrical expertise. It
is also important to connect the power plug to the grounded receptacle.
The method to connect the product to the power source differs by the product specifications. Be sure to
connect the product to the power source according to the power specifications.
1 For the single-phase, 200 - 240 V type product
Connect the sky-blue/brown wire of the power cord to the supply terminal (200 - 240 VAC) and the
yellow/green one to the earth terminal respectively.
2 For the 3-phase, 200 - 240 V type product
Connect the red/white/black wire of the power cord to the supply terminal (200 - 240 VAC) and the
yellow/green one to the earth terminal respectively.
3 For the product provided with an high-voltage optional transformer
Connect the black wires (three) of the power cord to the supply terminal (380 - 415 VAC) and the
yellow/green wire to the earth terminal respectively. The product can be connected to 380/400/415
V power terminals according to the setting of the input tap of the transformer. (Standard setting at
the time of shipment: 380 V)
4 In the case the single-phase, 200 - 240 V type product is modified to the 3-phase, 380/400/415 V
type one
Optional parts are required.
•
High-voltage optional transformer
•
Power cord
In the case of the 3-phase, 380/400/415 V power supply, this product is operated under the
single-phase connection state.
[Precaution to be taken when changing the power of the high-voltage optional transformer]
1
Parts No.: 40005422
Parts No.: 40070548
To use high-voltage optional transformer 1 with
the input voltage of 400 V or 415 V, you need to
replace input power cord 2 of high-voltage op-
tional transformer 1 correspondingly. Change
2
power input cord 2 (brown) which is connected to
the 380 V power terminal with the one for 400 V or
415 V connection.
In order to protect against accidents,
the aforementioned work should be
carried out after having left the sewing
machine for 5 minutes or more with
the power switch turned O�� and the
cord removed.
High-voltage optional transformer 1 is placed on
the side face of the control box.
– 9 –
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