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Allen Bradley AC Servo 1391 1391-T050ET

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1391-T050ET

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The 1391-T050ET isolation transformer from Allen Bradley is designed for robust electrical systems. With a power rating of 5 kVA, it operates at various primary voltages, including 240, 380, 415, and 480 volts AC and maintains compatibility with 3-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 1391-T050ET

ManufacturerAllen Bradley
Product TypeIsolation Transformer
Product LineAC Servo 1391
Part Number1391-T050ET
Weight60.00 lbs (27.22 kg)
UPC662453000138
Power Rating5 kVA
Primary Voltage240/380/415/480V AC
Phase Type3 Phase
Min. Operating Frequency50 Hz
Max. Operating Frequency60 Hz
Secondary Voltage230V AC 3 phase and four 35.5 VAC Single-Phase C.T. Windings
Transformer TypeOpen Core and Coil
Min. Operating Temperature0°C
Max. Operating Temperature60°C
Relative Humidity5 to 95% (non-condensing)
Installation Altitude1000 m
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The 1391-T050ET model, within the AC Servo 1391 series of Allen Bradley isolation transformers, delivers reliable performance in industrial applications. Capable of delivering a power rating of 5 kVA, it accommodates primary voltages of 240, 380, 415, or 480V AC. The transformer is configured for 3-phase power applications, ensuring versatile integration into electrical systems.

With a frequency operation between 50 Hz and 60 Hz, this unit can adapt to various operational requirements. It converts the higher primary voltage to a secondary output of 230V AC for three-phase use, additionally featuring four 35.5 VAC single-phase current transformer windings to enhance its functionality.

This transformer possesses an open core and coil design, supporting efficient performance. Designed for varied environmental conditions, it operates within an ambient temperature range of 0°C to 60°C and can tolerate relative humidity levels between 5% and 95%, providing resilience in non-condensing environments. Additionally, it can be installed at altitudes up to 1000 meters, ensuring its suitability for various installation scenarios.

Revision Part #Also known as
1391-T050ET Ser A1391-T050ET/A, Series A, Rev A
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