
( Brand: Allen-bradley ), ( Manufacturer Part Number: 284R-120P1K2-M1 ), ( Part Type: Brake Resistor ), ( Country/region Of Manufacture: United States )
The Allen-Bradley 284R-120P1K2-M1 AMORSTART Dynamic Brake Resistor is a crucial component in the operation of motors, particularly those used in applications requiring dynamic braking. This resistor is designed to dissipate electrical energy during the deceleration or braking phase of a motor's cycle to prevent freewheeling and maintain control.
The 284R-120P1K2-M1 resistor is engineered with a robust construction that ensures reliable performance in demanding industrial environments. It is built with a high-temperature, thermally insulated housing made of die-cast aluminum that provides excellent heat dissipation and protects the resistor from physical damage. The housing is also designed with a vented cover to allow for the dissipation of excess heat, reducing the risk of thermal runaway.
This resistor features a resistance value of 120 ohms and a power rating of 1 kW. It is suitable for use with motors up to 5 horsepower and is designed to handle a maximum voltage of 460 volts. The 284R-120P1K2-M1 is also equipped with a grounded shield terminal that provides an additional layer of protection against electrical interference, ensuring accurate and stable motor operation.
The AMORSTART design of this resistor ensures fast and efficient dynamic braking, reducing the time required for motors to come to a complete stop. This can lead to increased productivity and reduced energy consumption in applications where frequent stopping and starting is required.
The Allen-Bradley 284R-120P1K2-M1 AMORSTART Dynamic Brake Resistor is a versatile and essential component for a wide range of industrial applications, including conveyor systems, cranes, hoists, and material handling equipment. Its robust construction, efficient design, and reliable performance make it a top choice for engineers and maintenance personnel seeking a high-performance, long-lasting resistor solution for their dynamic braking applications.
The Allen-Bradley 284R-120P1K2-M1 AMORSTART Dynamic Brake Resistor is a component used in electrical systems for motors, particularly in applications where motor starting requires extra power or control. Here are some pros and cons of buying this resistor:
Pros:1. High Power Rating: This resistor has a high power rating of 120 kW, making it suitable for large motors that require significant starting torque.
2. Dynamic Braking Capability: The AMORSTART resistor provides dynamic braking, which is essential in applications where motors need to be quickly stopped or decelerated, such as in crane or hoist systems.
3. Compact Design: Despite its high power rating, the resistor has a compact design, which makes it easier to install in confined spaces.
4. Easy to Install: The resistor comes with a plug-and-play design, which simplifies installation and reduces downtime.
5. Reliable: Allen-Bradley is a well-known brand in the automation industry, and the 284R resistor is known for its reliability and durability.
Cons:1. High Cost: The high power rating and compact design come with a high price tag, making this resistor more expensive than standard resistors.
2. Limited Applications: This resistor is primarily designed for large motors with high starting torque requirements. It may not be the best option for smaller motors or applications where dynamic braking is not essential.
3. Requires Cooling: The resistor generates significant heat during operation, which requires proper cooling to prevent damage and ensure reliable operation.
In conclusion, the Allen-Bradley 284R-120P1K2-M1 AMORSTART Dynamic Brake Resistor is a high-performance component suitable for large motors that require significant starting torque and dynamic braking capabilities. Its compact design, easy installation, and reliable performance make it a worthwhile investment for applications where these features are essential. However, its high cost and limited applications may make it less suitable for smaller motors or applications where standard resistors will suffice. Ultimately, the decision to purchase this resistor depends on the specific requirements of your application and your budget. If you have a large motor with high starting torque requirements and a need for dynamic braking, then this resistor is an excellent choice.
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AB PN-26412 Allen Bradley 284R-120P1K2-M1 AmorStart Dynamic Brake Resistor