ОПИСАНИЕ ПРОДУКТА
ALLEN BRADLEY 873P-D18AV-900-D5 - Dynamic Braking Resistor
This ALLEN BRADLEY 873P Series dynamic braking resistor is engineered for industrial AC drive systems. It functions to dissipate regenerative energy generated by motor deceleration, preventing overvoltage conditions on the drive's DC bus. This component is critical for applications demanding rapid stopping, controlled deceleration, or management of high inertia loads in machinery such as conveyors, centrifuges, and hoists.
Technical Specifications:
- SERIES/FAMILY: 873P Series Dynamic Braking Resistors
- COMPONENT TYPE: Dynamic Braking Resistor
- ELECTRICAL SPECS:
- RESISTANCE: 18 Ohms
- CONTINUOUS POWER DISSIPATION: 900 Watts
- PEAK POWER DISSIPATION: Engineered for transient, high-power energy absorption during deceleration cycles.
- VOLTAGE RATING: Selected for compatibility with specific drive DC bus voltage ranges, typically up to 800VDC or higher depending on drive series.
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Enclosed, finned housing designed for efficient thermal dissipation.
- THERMAL MANAGEMENT: Natural convection cooling.
- INTERFACE/CONTROL:
- CONNECTION: Screw terminals for direct electrical connection to variable frequency drive braking terminals.
- ENVIRONMENTAL/MOUNTING:
- IP RATING: Enclosure protection typically IP20 for internal panel installation. Higher IP ratings may be achieved with appropriate external enclosures.
- MOUNTING STYLE: Panel mount or wall mount via integrated brackets.
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: Designed for use with ALLEN BRADLEY PowerFlex series AC drives and other compatible industrial variable frequency drives.
- APPLICATION: Regenerative braking in applications such as conveyors, cranes, hoists, centrifuges, and high-inertia machinery requiring controlled deceleration.