ABB RER620 Technical Manual page 430

Advanced recloser protection and control

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Other functions

Uninterruptible Power Supply (UPS) case

The following sections describe in detail the following functions of the UPS:

• Input power requirements

• Input power measurement

• Loss of input power alarm

• Battery management

• Auxiliary power supply

• Actuator drive power supply (boost supply)

• Heater control switch

• RER620 power

• RS485 commutations

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