1756-PA72 Allen Bradley ControlLogix Standard Power Supply

The Allen-Bradley 1756-PA72 is a Standard Power Supply that is mainly used to deliver power to the backplane of a 1756 ControlLogix chassis, enabling each of module attached to the chassis to operate. The 1756-PA72 is designed to accept an input voltage range of 85-265 VAC with frequency range of 47-63 Hz. It delivers an output power of 75 W @ 0-60 °C (+32…+140 °F) with Current capacities of 4A at 3.3VDC; 10 A at 5.1VDC and 2.8 A at 24VDC.

The 1756-PA72 has a hold-up time of 5 cycles @ 85VAC, 50/60 Hz; 6 cycles @ 120VAC, 50/60 Hz; 6 cycles @ 200VAC, 50/60 Hz and 6 cycles @ 240V AC, 50/60 Hz. Hold-up time refers to the power supply’s reaction from the removal of the input voltage and DC power failure.

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