Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 428

■Example of leakage current per km (lg1, lg2) for CV cable run in metal conduit
• 100 V class/200 V class
120
100
80
60
40
20
0
2 5.5 14
3.5 8 22
Cable size [mm ]
"Ig1" of 100 V class servo amplifiers is 1/2 of 200 V class servo amplifiers.
• 400 V class
120
100
80
60
40
20
0
2 5.5 14
3.5 8 22
Cable size [mm ]
■Servo motor leakage current example (lgm)
Servo motor output [kW]
0.05 to 1
1.2 to 2
3 to 3.5
4.2 to 5
6 to 7
8 to 11
12 to 15
20 to 25
■Servo amplifier leakage current example (Iga)
Servo amplifier capacity [kW]
0.1 to 0.6
0.75 to 3.5
5/7
11/15
22
■Earth-leakage current breaker selection example
Servo amplifier
MR-J4-10GF(-RJ) to MR-J4-350GF(-RJ)
MR-J4-60GF4(-RJ) to MR-J4-350GF4(-RJ)
MR-J4-10GF1(-RJ) to MR-J4-40GF1(-RJ)
MR-J4-500GF(-RJ)
MR-J4-500GF4(-RJ)
MR-J4-700GF(-RJ)
MR-J4-700GF4(-RJ)
MR-J4-11KGF(-RJ) to MR-J4-22KGF(-RJ)
MR-J4-11KGF4(-RJ) to MR-J4-22KGF4(-RJ)
11 OPTIONS AND PERIPHERAL EQUIPMENT
426
11.15 Earth-leakage current breaker
38100
60150
30 80
2
38 100
60 150
30 80
2
Leakage current [mA]
0.1
0.2
0.3
0.5
0.7
1.0
1.3
2.3
Leakage current [mA]
0.1
0.15
2
5.5
7
Rated sensitivity current of earth-leakage current breaker [mA]
15
30
50
100