Whatsminer P221C PSU Relay control circuit
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Whatsminer P221C PSUs relay control circuit mainly includes 1 relay and 1 ceramic resistor. In the power supply circuit design, this circuit can avoid large current surges and form a protective effect on the power supply. Learn the working principle of P221C relay circuit and quickly detect whether it is abnormal, thereby protecting the entire PSU from burnout failure.
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Dear Friends,
Hello everyone, as China is about to usher in the Spring Festival, our company is scheduled to start the Spring Festival holiday from February 12 to February 23, 2026 (GMT+8). Our pre-sales customer service and course tutors will reply to your message as soon as possible. Please understand and forgive us if we are unable to reply promptly. Thank you for your support and trust in 2025. In 2026 and the future, the ZMRC team will continue to offer you more professional courses and technical support.
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