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Allen Bradley PLC 3 1775P1A

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1775P1A

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The 1775P1A power supply from Allen Bradley is designed to operate with the PLC 3 series. It accommodates input voltages of 120/220/240 VAC and supports a variety of environmental conditions while ensuring reliable performance within defined limits.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1775P1A

ManufacturerAllen Bradley
Product TypePower Supply
Product LinePLC 3
Part Number1775P1A
Weight1.00 lbs (0.45 kg)
Input Voltage120/220/240 VAC
EnvironmentNon-corrosive
Operational Voltage Range @120VAC97 to 132 VAC
Operational Voltage Range @220/240 VAC194 to 264 V AC
Operational Temperature0 to 60°C (32 to 140°F)
Storage Temperature40 to 85°C (104 to 185°F)
Relative Humidity5 to 95% (without condensation)
Frequency47–63 Hz
LocationPLC-3 chassis backplane
Chassis PowerOne 1775-P1A typically powers up to two PLC-3 chassis
ApplicationProvides power for PLC-3 processor, memory, scanner, and I/O modules
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The Allen Bradley part number 1775P1A functions as a power supply specifically for the PLC 3 series. This device accommodates input voltage specifications of 120, 220, or 240 VAC. When operating at 120 VAC, the unit performs optimally within the range of 97 to 132 VAC, while at 220/240 VAC, it operates effectively between 194 to 264 VAC.

Designed to withstand a wide range of operational temperatures, the 1775P1A effectively functions in conditions spanning from 0 to 60°C (32 to 140°F). In addition, it is suitable for storage purposes at temperatures ranging from 40 to 85°C (104 to 185°F). The device notably adjusts to environments with relative humidity levels from 5% to 95%, provided there is no condensation present, ensuring reliability and durability in varied conditions.

Operating at frequencies between 47 and 63 Hz, this power supply unit is situated within the PLC-3 chassis backplane. Its design enables a single 1775-P1A power supply to typically support up to two PLC-3 chassis, thereby enhancing the scalability of control systems. This unit provides essential power to the PLC-3 processor, associated memory components, scanners, and I/O modules, making it a fundamental component in the PLC 3 architecture.

Revision Part #Also known as
1775P1A Ser A1775P1A/A, Series A, Rev A
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