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High‑Pressure Water Pump Control Board PCBA – Automatic Pump Controller with Float Switch Input, Overload Protection & Dry‑Run Prevention for Ponds, Tanks & Irrigation
No.YQQX037
- Automatic Pump Control – Float switch or pressure switch input (NC/NO configurable). Starts pump when water level drops below preset threshold, stops when level returns. Supports manual override (ON/OFF switch).
- Dry‑Run Protection – Integrated low‑level sensor (second float switch or conductivity probe) shuts down pump if water level falls below minimum safe level. Prevents pump damage from running without water.
- Overload & Overcurrent Protection – Built‑in current sensing (via CT or shunt resistor). Shuts off pump if current exceeds 110‑120% of rated value for >3 seconds. Auto‑reset after 30 seconds (up to 3 retries), then permanent lockout.
- LED Status Indicators – Power (green), Pump running (blue), Low water / Dry‑run alarm (red flashing), Overload fault (red solid). Optional buzzer for audio alert on fault conditions.
- Wide Power Compatibility – Accepts 12V DC, 24V DC, or 110‑240V AC input (onboard power supply). Controls pumps up to 1HP (or 750W) via internal or external relay (30A rating).
- Applications – Suitable for: garden water features (ponds, fountains), rainwater harvesting tanks, irrigation systems (drip/sprinkler), livestock watering troughs, booster pump systems, and basement drainage (sump pumps). Works with submersible, centrifugal, or jet pumps.
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Product Overview
The High‑Pressure Water Pump Control Board PCBA is an automatic pump controller designed for water tanks, ponds, irrigation systems, and pressure boosting applications. It monitors water level via float switches (or pressure switches) and automatically turns the pump on or off to maintain desired water levels – preventing dry running (pump burnout) and overflow.
The PCBA integrates dry‑run protection, overload/overcurrent protection, manual override, and visual/audible alarms into a compact PCB that can be mounted inside a weatherproof enclosure (IP54 option available). It eliminates the need for manual pump switching, reduces energy waste, and extends pump life. Ideal for residential, agricultural, and industrial water management.
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