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Fuse and Circuit Breaker Sizes
The inverter’s input power wiring must include UL Listed, dual-element, 600V fuses, or
UL Listed, inverse-time, 600V circuit breakers.
Motor Overload Protection
Hitachi L2002 inverters provide solid state motor overload protection, which depends on
the proper setting of the following parameters:
• B012 “electronic overload protection”
• B212 “electronic overload protection, 2nd motor”
Set the rated current [Amperes] of the motor(s) with the above parameters. The setting
range is 0.2 * 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.
Input
Voltage
Motor Output
Inverter Model
Ampere Rating for
Fuse or Breaker
kW HP
200V
0.2 1/4 L200-002NFE(F)2/NFU2 10
0.4 1/2 L200-004NFE(F)2/NFU2 10
0.55 3/4 L200-005NFE(F)2 10
0.75 1 L200-007NFE(F)2/NFU2 15
1.1 1 1/2 L200-011NFE(F)2 15
1.5 2 L200-015NFE(F)2/NFU2 20 (single ph.)
15 (three ph.)
2.2 3 L200-022NFE(F)2/NFU2 30 (single ph.)
20 (three ph.)
3.7 5 L200-037LFU2 30
5.5 7 1/2 L200-055LFU2 40
7.5 10 L200-075LFU2 50
400V
0.4 1/2 L200-004HFE(F)2/HFU2 3
0.75 1 L200-007HFE(F)2/HFU2 6
1.5 2 L200-015HFE(F)2/HFU2 10
2.2 3 L200-022HFE(F)2/HFU2 10
3.0 4 L200-030HFE(F)2 15
4.0 5 L200-040HFE(F)2/HFU2 15
5.5 7 1/2 L200-055HFE(F)2/HFU2 20
7.5 10 L200-075HFE(F)2/HFU2 25