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Allen Bradley PLC 3 1775-A3

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1775-A3

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The 1775-A3 by Allen Bradley serves as a processor chassis within the PLC 3 series. Designed to support industrial control applications, it accommodates up to six slots for PLC-3 modules and operates efficiently at voltage inputs of either 115 or 230 VAC.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 1775-A3

ManufacturerAllen Bradley
Product TypeProcessor Chassis
Product LinePLC 3
Part Number1775-A3
Weight60.00 lbs (27.22 kg)
Power Input Voltage115/230 VAC
Number of Slots6 slots
Input Current at 115 VAC3.0 A
Input Current at 230 VAC1.5 A
Mounting OrientationPanel mount
Input Frequency50/60 Hz
Backplane Type1775 backplane
Supported ModulesPLC-3 modules
Power DistributionBackplane
Processor Compatibility1775-L4
Application UseIndustrial control systems
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The 1775-A3 processor chassis from Allen Bradley is intended for use within industrial control environments where the integration of PLC-3 modules is required. Capable of operating on power input voltage configurations of 115 or 230 VAC, this chassis provides flexibility in deployment. The unit is designed for a maximum input current of 3.0 A when working with 115 VAC and 1.5 A at 230 VAC, thus accommodating varying electrical setups.

This chassis is equipped with six slots, allowing for significant module expansion to cater to diverse control requirements. It employs a 1775 backplane for efficient power distribution across the supported modules, ensuring stability and reliability during operations. The backplane also promotes seamless communication between the modules within the chassis, enhancing overall system efficiency.

With the capability to accept processors such as the 1775-L4, the 1775-A3 chassis operates within an input frequency range of 50/60 Hz, making it versatile enough to function in different environments. The panel mount orientation allows for easy installation in control panels, providing effective access and management of the attached modules. Overall, the 1775-A3 is suitable for various industrial control systems, ensuring performant and consistent operation.

Revision Part #Also known as
1775-A3 Ser A1775-A3/A, Series A, Rev A
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