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Allen Bradley 1321 Power Products 1321-3TW011

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1321-3TW011

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The 1321-3TW011 is an isolation transformer developed by Allen Bradley, designed for optimal performance in 3-phase configurations. With an 11 kVA rating, it operates at a primary voltage of 460V AC and provides secondary voltage outputs of either 230V AC or 460V AC, suitable for a variety of applications.

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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 1321-3TW011

ManufacturerAllen Bradley
Product TypeIsolation Transformer
Product Line1321 Power Products
Part Number1321-3TW011
Weight15.00 lbs (6.80 kg)
kVA Rating11 kVA
Phase Type3 Phase
Primary Voltage460V AC
Secondary Voltage230V AC or 460V AC
Minimum Fundamental Frequency50 Hz
Maximum Fundamental Frequency60 Hz
Insulation ClassClass N
Enclosure TypeNEMA 3R
Mounting TypeWall mount
Relative Humidity0 to 95% (Non-Condensing)
Installation Altitude1000 m
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The 1321-3TW011 isolation transformer from Allen Bradley is engineered to provide reliable electrical isolation in industrial applications. This transformer features a robust kVA rating of 11, making it appropriate for various operational requirements. It operates on a three-phase system with a primary voltage of 460 volts AC, while users have the flexibility to set the secondary voltage at either 230 volts AC or 460 volts AC.

Designed to accommodate varying applications, it operates effectively at fundamental frequencies ranging from 50 Hz to 60 Hz. The insulation class is rated as Class N, ensuring that it meets necessary safety requirements. Additionally, the transformer is encased in a NEMA 3R rated enclosure, which protects it from the elements, facilitating outdoor installation.

For mounting, the device is configured for wall installation. It is built to withstand a relative humidity range from 0% to 95%, allowing it to perform reliably in diverse environmental conditions without condensation issues. Furthermore, the 1321-3TW011 isolation transformer is rated for installation at altitudes of up to 1000 meters, making it versatile for different setups in various geographical areas.