Toshiba TOSVERT VF-nC3 Instruction Manual page 208

 Selection of wiring devices
Voltage
class
Three-
phase
240V
class
Single-
phase
240V
class
Single-
phase
120V
class
Note 1: Models made by Toshiba Industrial Products and Systems Corporation are shown.
Note 2: Be sure to attach a surge killer to the exciting coil of the relay and the magnetic contactor.
Note 3: When using the auxiliary contacts 2a of the magnetic contactor MC for the control circuit, connect the
Note 4: When a motor is driven by commercial power supply using commercial power supply / inverter switching
10
Note 5: Select an MCCB with a current breaking rating appropriate to the capacity of the power supply, because
Input current Molded-case circuit breaker (MCCB)
(A) Earth leakage circuit breaker (ELCB)
Applicable
motor
No reactor
(kW)r
No With
Rated
reactor DCL
current
(A)
0.1 1.2 0.6 5
0.2 2.0 0.9 5
0.4 3.6 1.8 5
0.75 6.3 3.5 10
1.5 11.1 6.6 15
2.2 14.9 9.3 20
4.0 23.8 16.1 30
0.1 2.0 1.2 5
0.2 3.4 2.1 5
0.4 5.9 4.1 10
0.75 10.2 7.7 15
1.5 17.8 14.8 30
2.2 24 20.3 30
0.1 3.5 - 5
0.2 6.0 - 10
0.4 11.4 - 15
0.75 18.9 - 30
contacts 2a in parallel to increase reliability.
circuit, use a magnetic contactor appropriated AC-3 class the motor rated current.
short-circuit currents vary greatly depending on the capacity of the power supply and the condition of the
wiring system. The MCCB, MC and ELCB in this table were selected, on the assumption that a power
supply with a normal capacity would be used.
with DCL
Rated
MCCB type MCCB type
current
(ELCB type) (ELCB type)
(A)
5
5
5
ES30G ES30G
5
(LES30G) (LES30G)
10
15
30
5
5
5
ES30G ES30G
(LES30G) (LES30G)
10
20
30
-
-
ES30G
-
(LES30G)
-
-
J-2
E6581595
Magnetic contactor
(MC)
No reactor with DCL
Rated Rated
current Model current Model
(A) (A)
20 20
20 20
20 20
CA13
20 20 CA13
20 20
20 20
32 CA20 20
20 20
20 20
20 CA13 20 CA13
20 20
20 20
32 CA20 32 CA20
20 -
20 -
CA13
20 -
20 -
-