Mitsubishi Electric MELSERVO-J4 series, Instruction Manual

Page: 428 / 646

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