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Allen Bradley PowerFlex 70 AK-R2-120P1K2

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AK-R2-120P1K2

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The AK-R2-120P1K2 dynamic brake resistor kit from Allen Bradley is designed for use with PowerFlex 70 series drives. This unit is engineered for medium-duty applications, providing continuous power capabilities of 260 watts.

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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 AK-R2-120P1K2

ManufacturerAllen Bradley
Product TypeDynamic Brake Resistor Kit
Product LinePowerFlex 70
Part NumberAK-R2-120P1K2
UPC820919090080
Weight5.25 lbs (2.38 kg)
Continuous Power Rating260 W
Duty TypeMedium Duty
Peak Power HandlingHigh Short-Term
Typical Motor Ratings2.2–7.5 kW
Cooling MethodNatural Air
Installation StyleStandalone
Resistance Value120 Ω
Input Voltage Range400–690 V AC
Braking MethodDynamic (Resistive)
Mounting TypeExternal
Electrical InterfaceDC Bus
Regenerative HandlingEnergy Dissipation
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The dynamic brake resistor kit, part number AK-R2-120P1K2 from Allen Bradley's PowerFlex 70 series, is an essential component for enhancing motor control systems. Rated for continuous power at 260 watts, it balances performance and efficiency for medium-duty requirements. This kit is suitable for various motor power ratings, specifically between 2.2 and 7.5 kW, ensuring compatibility with a range of applications.

Designed with a resistance of 120 ohms, it operates within an input voltage range of 400 to 690 volts AC. The external mounting configuration simplifies installation, allowing it to be integrated into existing systems with ease. The unit ensures effective cooling through natural air circulation, enhancing overall reliability.

This dynamic braking method is classified as resistive, enabling effective energy dissipation during operation. The electrical connection is compatible with a DC bus, facilitating straightforward integration with PowerFlex drives. The AK-R2-120P1K2 kit is engineered for short-term peak power handling, making it robust for handling transient responses experienced during braking cycles.