Phone

Soft-start Function
Overheat Protection
Output Voltage Limitation
Phase-angle & Burst-firing Mode
Designed for Resistive Loads
PAC15P Single-Phase SCR Trigger Board
The PAC15P features an all-digital circuit design and is compatible with both 220V and 380V AC single-phase power supplies. It utilizes phase-angle control for voltage regulation and offers two power regulation modes: fixed-cycle and variable-cycle burst firing.
Soft-start/Soft-stop: Smooth ramp-up and shutdown
Overtemperature protection: Integrated heatsink thermal detection
Compact size with aesthetic design
Low output threshold for precise control
Wide frequency adaptability (suitable for generator power sources)
Cost-effective single-phase triggering solution
| 1 | Load Power Supply |
Single-phase 220V or 380V AC ±10%, 50Hz. |
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| 2 |
Control Board Power & Consumption |
Universal input: 220V or 380V AC ±10%, 50Hz. Power consumption: Max. 2W. |
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| 3 |
Control Input |
Default: 4–20mA DC, receiving impedance 120Ω. Optional (must be specified when ordering): 0–5V DC, input resistance >20kΩ. 0–10V DC, input resistance >20kΩ. |
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| 4 |
LED Status Indicators
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| 5 |
Control Modes |
Phase-angle control: Continuous voltage adjustment. Power regulation:Zero-crossing (burst-firing) for resistive loads. Special mode for inductive loads. Single-phase full-wave rectification. Single-phase half-wave rectification. |
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| 6 | Output Resolution |
Phase-angle: 0.2°. Power regulation: 20ms. |
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| 7 | Phase-shift Range |
0~175° |
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| 8 | Drive Output | Pulse width modulation: 8°~120° trigger pulse.Drives SCR modules: Output current 300mA. | |||||||||||||||||||||||||||
| 9 |
Manual Adjustment |
External 10kΩ, 2W potentiometer for manual control. |
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| 10 |
Soft-start/Soft-stop time |
Fixed 15 seconds (phase-angle control mode) | |||||||||||||||||||||||||||
| 11 |
Heatsink overtemperature protection |
75°C thermal switch | |||||||||||||||||||||||||||
| 12 |
Start/Stop switch |
External switch |
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| 13 |
Power regulation/Voltage regulation switching (optional) |
External switch |
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| 14 |
Operating environment |
Temperature: -10 to +40°C Humidity: ≤90% RH (non-condensing) Altitude: ≤2000 m |
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| 15 |
Storage temperature |
-10 ~ +50℃ |
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| 16 |
Additional requirements |
Well-ventilated, avoid direct sunlight or heat radiation, free of corrosive/flammable gases |
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| 17 |
Insulation resistance |
Module output vs. casing: 2000VDC/1 min Control board power terminal vs. casing: 2000VDC/1 min |
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