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Allen Bradley AK-R2-120P1K2 Dynamic Brake Resistor Kit

Allen Bradley PowerFlex 70 Dynamic Brake Resistor Kit

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ManufacturerAllen Bradley

Part numberAK-U0-RJ45-TB2P

Resistance 120 Ohm

Power Rating 260 W

Mounting External

Duty Medium

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CAGE: 9NK75

120 Ohm Resistance 260W Power Rating External Mount For PowerFlex 70 High Short-Term Peak Power

Product description

The Allen Bradley AK-R2-120P1K2 is an external dynamic brake resistor kit designed for PowerFlex 70 drives, providing a resistance of 120 ohms and a power rating of 260 watts. This kit is essential for applications requiring robust motor braking, enabling controlled dissipation of energy during deceleration and ensuring system stability.

This medium-duty brake resistor is intended for external mounting, facilitating adequate airflow for heat dissipation. It supports motor ratings from 2.2 kW to 7.5 kW and is compatible with 400-690V AC input ranges, making it versatile for various industrial motor control setups. The kit is engineered for short-term peak power handling, offering reliability during demanding braking cycles.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley AK-R2-120P1K2. Sourcing your critical automation components from Stanlo ensures quality and cost-effectiveness for your operational needs.

Technical specifications

Resistance	120 Ohm
Power Rating	260 W
Mounting	External
Duty	Medium
Input Voltage	400-690V AC

Common applications

Motor Braking

Industrial Drives

Variable Frequency Drives

Automation Systems

High Inertia Loads

Compatible systems

Allen-Bradley PowerFlex 70 Drives

Also known as

AKR2120P1K2 PowerFlex 70 Brake Resistor

Replaces / compatible with

The AK-R2-120P1K2 is designed for Allen-Bradley PowerFlex 70 drives. It can serve as a replacement for existing brake resistors or be integrated into new dynamic braking solutions.

Technical note

Expert tip

For optimal performance and longevity, ensure the AK-R2-120P1K2 is installed with sufficient clearance for natural convection cooling, as recommended in the PowerFlex 70 documentation.

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Frequently asked questions

What voltage range is compatible with the Allen Bradley AK-R2-120P1K2 brake resistor kit?

The AK-R2-120P1K2 brake resistor kit is designed for use with AC input voltages ranging from 400V to 690V. This range makes it suitable for many industrial power systems that utilize PowerFlex 70 drives.