The Allen-Bradley 1771-P4R Redundant Power Supply Module enhances system reliability by reducing downtime due to power failures, thanks to its N+1 design that ensures seamless operation in the event of a power supply failure. Engineered for use in the 1771 Chassis, this module accommodates input voltages between 97-132V AC at 50-60Hz, offering a 5V DC output at up to 8A for a single unit, scaling up to 20A for a four-unit configuration. With a robust construction that includes 1000V isolation and an integrated alarm system rated at 24-250V AC, the 1771-P4R ensures protected and efficient power distribution, making it indispensable for maintaining continuous system operations under various environmental conditions within its certified temperature range.
Technical specifications for 1771-P4R
Manufacturer
Rockwell Automation
Input Voltage Range
97-132 VAC
Module Type
Redundant Power Supply
Part Number/Catalog No.
1771-P4R
Brand
Allen-Bradley
Input voltage frequency:
47-63 Hz
Output voltage:
5 VDC
Output current:
8:00 AM
Maximum output current
at 60o C using N+1 Redundancy:
8A (2 unit system); 14A (3 unit system); 20A (4 unit system)
Alarm Relay Rating:
250 VAC
Wiring Block, AC power:
A-B part number 941274-05 (Wago PN 231-205/000-008)
Wiring Block, Relay:
A-B part number 941274-03 (Wago PN 231-203/000-008)
