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  • DC Rectifier / Battery Charger Connection Sequence

    DC Rectifier / Battery Charger Connection Sequence
    The charging and discharging sequence of DC Rectifier / Battery Charger must be determined comprehensively based on the charger type and safety principles.1. Plug Connection Order During ChargingFirst, connect the DC plug at the battery end, then turn on the 220V AC power.1. **Necessity of Non-Switc Read More
  • Why is the communication power supply -48V? What is the difference between+48V and -48V?

    Why is the communication power supply -48V? What is the difference between+48V and -48V?
    In the era of fixed line telephones, each household's telephone was powered by the telecommunications bureau. Due to the long distance between the telecommunications office and the telephone in the home, in order to ensure a certain service range, the power supply voltage of the central office switc Read More
  • SMPS Rectifier System 48Vdc 300A

    SMPS Rectifier System 48Vdc 300A
    The complete set of SMPS Rectifier System of Capacity 48V 300A Read More

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