Installation
2.3.3 Dual Power Supplies – DC and AC Inputs
Figure 21: DC And AC power supply wiring examples
Notes:
• 125/250VDC rated equipment: A 300VDC appropriately rated circuit breaker
must be installed.
• 110/230VAC rated equipment: A 250VAC appropriately rated circuit breaker
must be installed.
• A circuit breaker is not required for 12-24 or 48VDC rated power supplies.
• Separate circuit breakers must be installed and separately identified.
• Equipment must be installed according to the applicable country wiring
codes.
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