Description
ABB INVERTER BOARD RVAR-5612 RVAR5612
Here is an overview of the ABB RVAR-5612 Inverter Board:
ABB INVERTER BOARD RVAR-5612 RVAR5612
Brand Overview
- Brand: ABB (Asea Brown Boveri)
* About the Brand: ABB is a global engineering and technology leader specializing in electrification and industrial automation. Their industrial variable frequency drives (VFDs) and specialized drive internal components—such as the ACS series—are widely trusted for providing maximum energy efficiency, accurate electric motor control, and continuous uptime in harsh electrical environments.
Product Identification
- Model Number: RVAR-5612 / RVAR5612
* ABB Internal ID / Part Number: 64714996 / 64714996C
* Product Type: Filtering Board / Varistor Unit (Surge Absorption Board)
* Product Drive Alignment: Optimized for specific industrial low-voltage AC drives, legacy AC drives, and high-horsepower machinery drives (such as the ABB ACS800 series, ACS850-04, and ACQ810 modules).
Technical Specifications
- Core Functionality: Operates as a dual-purpose varistor and filtering card inside the inverter’s power electronics compartment. It provides transient surge absorption and high-frequency noise suppression, safeguarding sensitive internal inverter processing blocks from upstream grid line surges.
* Voltage and Frame Rating: Typically rated for Frame R6 converter systems operating on 500 V AC lines.
* Power Capability Mapping: Commonly embedded inside medium-to-large capacity industrial motor drive systems ranging from 75 kW, 90 kW, 110 kW, up to 132 kW.
* Environmental Tolerance: Built to survive severe industrial control cabinet environments with an extended operational temperature range of -40°C to +85°C and up to 95% relative humidity (non-condensing).
* Physical Profile: Features a lightweight, panel-mount or drive-slot profile weighing approximately 0.33 to 0.42 kg.
Target Industries
The RVAR-5612 board is integrated directly into industrial variable speed drives across critical heavy processing and infrastructure networks:
- Water & Wastewater Utilities: Installed in dedicated pumping and desalination drive systems (such as ACQ810 water-profile drives).
* Oil, Gas & Petrochemicals: Found in high-horsepower compressor and fluid transmission drive configurations.
* Metallurgy & Heavy Industry: Applied inside heavy rolling mill drives and blast furnace ventilation enclosures.
* Pulp & Paper Processing: Deployed in factory control enclosures overseeing continuous multi-drive winding machinery.
* General Machinery Automation: Utilized within multi-purpose production cells, heavy packaging configurations, and plant conveyor system cabinets.
Applications and Use Cases
- Transient Surge Protection: Acts as an internal sacrificial or clamping barrier that clips incoming line voltage spikes (e.g., from lightning strikes or heavy grid switching), isolating the core IGBT modules from overvoltage destruction.
* High-Frequency Inverter Filtering: Works as a localized capacitor/varistor filter to smooth out high-frequency harmonic feedback, ensuring clean voltage metrics inside the drive chassis.
* Inverter Chassis Optimization: Slots seamlessly into factory frame modules (like the ACS800-01 or ACS850-04) to maintain safe electromagnetic compatibility (EMC) profiles.
* Lifecycle Maintenance and Repair: Used by field engineers as a direct replacement part to repair damaged filtering layers in high-power VFDs, instantly restoring production lines without requiring a complete drive system changeout.
