tolerance. We measured voltage on both sides of battery circuit breaker and get 260V DC from UPS side and 448 VDC on battery side of breakers. WE also measured the 24V DC on the coil but still breaker
DC fuse blows off.Please help me.What should I do ? It sounds to me like you have a shorted cell in one of the batteries and the current limiting resistor on the charging side is out of tolerance (too
voltage matches makes no difference (50 or 60 Hz). By design, the UPS converts the input voltage to DC to charge the internal battery. The battery then powers an electronic circuitry that produces the
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