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Options and auxiliary equipment – MITSUBISHI ELECTRIC MR-J2S- CP User Manual

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14. OPTIONS AND AUXILIARY EQUIPMENT


(2) Selection example

Indicated below is an example of selecting a leakage current breaker under the following conditions.

M

Servo
amplifier
MR-J2S-60CP

HC-MFS73

2mm

2

5m(196.85inch)

Ig1

Ig2

Iga

Igm

NV

2mm

2

5m(196.85inch)

Use a leakage current breaker designed for suppressing harmonics/surges.
Find the terms of Equation (14.1) from the diagram.

Ig1 20

1000

5

0.1 [mA]

Ig2 20

1000

5

0.1 [mA]

Ign 0 (not used)

Iga 0.1 [mA]

Igm 0.1 [mA]

Insert these values in Equation (14.1).

Ig 10 {0.1 0 0.1 1 (0.1 0.1)}

4 [mA]

According to the result of calculation, use a leakage current breaker having the rated sensitivity
current (Ig) of 4[mA] or more. A leakage current breaker having Ig of 15[mA] is used with the NV-
SP/CP/ SW/CW/HW series.