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Allen Bradley 8520 CNC Controllers 8520-1SA21

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8520-1SA21

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The 8520-1SA21, from Allen Bradley's 8520 CNC Controllers series, operates as a Computer Numerical Control unit. This product accommodates an input voltage range of 324 to 528 volts AC and is suitable for three-phase systems.

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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 8520-1SA21

ManufacturerAllen Bradley
Product TypeComputer Numerical Control
Product Line8520 CNC Controllers
Part Number8520-1SA21
Weight17.00 lbs (7.71 kg)
Input Voltage Range324V AC to 528V AC
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Phase Type3 Phase
Number of Analog Outputs2 Analog Outputs
Minimum Operating Temperature0 °C
Maximum Operating Temperature40 °C
Minimum Storage Temperature0 °C
Maximum Storage Temperature40 °C
Installation Altitude1000 m
Relative Humidity5 to 95% (non-condensing)
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The 8520-1SA21 model from the 8520 CNC Controllers series by Allen Bradley is a sophisticated Computer Numerical Control system. It is capable of operating at an input voltage range spanning 324V to 528V AC. This unit is intended for three-phase applications, making it versatile for various industrial settings. The controller supports operation within a frequency spectrum of 50 Hz to 60 Hz, ensuring compatibility with different electrical environments.

Equipped with two analog outputs, this CNC controller allows for effective interfacing with other equipment or sensors. Its design accommodates operational temperatures from a chilly 0 °C up to a maximum of 40 °C, allowing it to function well within standard industrial climates. Similarly, the storage temperature range matches its operational limits, ensuring reliable performance when not in use.

The controller is engineered for installations at altitudes reaching 1000 meters, which expands its use in diverse geographical locations. It can resist a relative humidity level ranging from 5% to 95%, provided that conditions remain non-condensing. This makes the 8520-1SA21 well-suited for environments where moisture control cannot be guaranteed.

Revision Part #Also known as
8520-1SA21 Ser A8520-1SA21/A, Series A, Rev A
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