The HHT1 Series provides single-phase solid-state AC voltage regulation for resistive load power control. The series covers passive current-input, potentiometer-adjusted and active analog-control versions, allowing the regulator to match different controller output signals.
Common Parameters
| Regulation method | Single-phase phase-angle voltage regulation |
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| Load voltage code | 22: 220VAC; 38: 380VAC |
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| Off-state leakage current | ≤10mA |
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HHT1-L
| Control mode | 4-20mA adjustment |
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| Voltage regulation range | 22: 10-250VAC; 38: 10-440VAC |
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| Load current | 10A, 15A, 20A, 25A, 30A, 40A, 60A, 80A |
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| Isolation | Passive type, fully isolated |
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| Dielectric strength | ≥2500VAC |
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HHT1-R
| Control mode | 2W 470-560KΩ potentiometer adjustment |
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| Voltage regulation range | 22: 10-250VAC; 38: 10-440VAC |
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| Load current | 10A, 15A, 20A, 25A, 30A, 40A, 60A, 80A |
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| Isolation | Not isolated |
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| Dielectric strength | ≥2500VAC between output terminal and heat-dissipation board |
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HHT1-U
| Control mode | 0-5VDC, 0-10VDC, 4-20mA or 10K manual potentiometer control |
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| Voltage regulation range | 22: 0-240VAC; 38: 0-440VAC |
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| Load current | 10A, 15A, 20A, 25A, 30A, 40A, 60A, 80A, 100A, 125A |
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| Isolation | Active type, fully isolated |
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| Dielectric strength | ≥2000VAC |
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