PRODUCT DESCRIPTION
ALLEN BRADLEY 1441-DYN25-CAP - Dynamic Braking Resistor
The ALLEN BRADLEY 1441-DYN25-CAP is a Dynamic Braking Resistor engineered for the controlled dissipation of regenerative energy generated during the deceleration of AC motors. This industrial component integrates with Variable Frequency Drives (VFDs) and servo drive systems to mitigate DC bus overvoltage conditions, thereby enhancing system stability and extending drive operational life. It is specifically designed for applications demanding rapid motor deceleration or frequent stopping cycles, including material handling, machine tools, and packaging equipment.
Technical Specifications:
- SERIES/FAMILY: 1441 Dynamic Braking Resistors
- COMPONENT TYPE: Dynamic Braking Resistor
- ELECTRICAL SPECS:
- CONTINUOUS POWER DISSIPATION: 25 Watts
- PEAK POWER DISSIPATION: Dependent on duty cycle and specific drive parameters
- RESISTANCE: Specific resistance value, typically ranging from 25 to 200 Ohms, selected based on drive and application requirements
- VOLTAGE RATING: Compatible with DC bus voltages generated by 200-480VAC input industrial drives
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Enclosed resistor unit
- TERMINATION: Screw terminals for electrical connection
- INTERFACE/CONTROL:
- OPERATION: Passive energy dissipation, activated by the drive's internal braking transistor
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (typical for enclosed industrial panel-mounted components)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Panel mount
- COMPATIBILITY/APPLICATION:
- COMPATIBLE DRIVES: Allen-Bradley PowerFlex VFDs, Kinetix Servo Drives, and other industrial AC drives equipped with dynamic braking circuits
- TARGET APPLICATIONS: Conveyor systems, centrifuges, hoists, machine tools, and other industrial processes requiring controlled motor deceleration and energy management