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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.
Input | Motor Output |
| Fuse (A) | ||
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| Inverter Model | |||
Voltage | kW | HP | |||
| class J, 600V) | ||||
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| 0.2 | 1/4 | 10 (single ph.) | ||
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| 7 (three ph.) | |
| 0.4 | 1/2 | |||
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| 0.55 | 3/4 |
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| 0.75 | 1 | 15 (single ph.) | ||
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| 10 (three ph.) | |
| 1.1 | 1 1/2 | |||
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200V | 1.5 | 2 | 20 (single ph.) | ||
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| 15 (three ph.) | |
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| 2.2 | 3 | 30 (single ph.) | ||
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| 20 (three ph.) | |
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| 3.7 | 5 | 30 | ||
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| 5.5 | 7 1/2 | 40 | ||
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| 7.5 | 10 | 50 | ||
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| 0.4 | 1/2 | 3 | ||
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| 0.75 | 1 | 6 | ||
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| 1.5 | 2 | 10 | ||
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400V | 2.2 | 3 | 10 | ||
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3.0 | 4 | 15 | |||
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| 4.0 | 5 | 15 | ||
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| 5.5 | 7 1/2 | 20 | ||
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| 7.5 | 10 | 25 | ||
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Hitachi L100 inverters provide solid state motor overload protection, which depends on 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.
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.