Hitachi L100 사용자 설명서
xiv
Circuit Breaker and Fuse Sizes
The inverter’s connections to input power must include UL Listed inverse time circuit
breakers with 600V rating, or UL Listed fuses as shown in the table below.
breakers with 600V rating, or UL Listed fuses as shown in the table below.
Motor Overload Protection
Hitachi L100 inverters provide solid state motor overload protection, which depends on
the proper setting of the following parameters:
the proper setting of the following parameters:
• B_12 “electronic overload protection”
Set the rated current [Amperes] of the motor(s) with the above parameters. The setting
range is 0.5 * rated current to 1.2 * rated current.
range is 0.5 * rated current to 1.2 * rated current.
WARNING: When two or more motors are connected to the inverter, they cannot be
protected by the electronic overload protection. Install an external thermal relay on each
motor.
protected by the electronic overload protection. Install an external thermal relay on each
motor.
Input
Voltage
Motor Output
Inverter Model
Fuse (A)
(UL-rated,
class J, 600V)
kW
HP
200V
0.2
1/4
L100-002NFE/NFU
10 (single ph.)
7 (three ph.)
0.4
1/2
L100-004NFE/NFU
0.55
3/4
L100-005NFE
0.75
1
L100-007NFE/NFU
15 (single ph.)
10 (three ph.)
1.1
1 1/2
L100-011NFE
1.5
2
L100-015NFE/NFU
20 (single ph.)
15 (three ph.)
2.2
3
L100-022NFE/NFU
30 (single ph.)
20 (three ph.)
3.7
5
L100-037LFU
30
5.5
7 1/2
L100-055LFU
40
7.5
10
L100-075LFU
50
400V
0.4
1/2
L100-004HFE/HFU
3
0.75
1
L100-007HFE/HFU
6
1.5
2
L100-015HFE/HFU
10
2.2
3
L100-022HFE/HFU
10
3.0
4
L100-030HFE
15
4.0
5
L100-040HFE/HFU
15
5.5
7 1/2
L100-055HFE/HFU
20
7.5
10
L100-075HFE/HFU
25