{"product_id":"drive-brake-chopper-modules-abb-acs800-drives-nbra-659c","title":"Drive Brake Chopper Modules ABB ACS800 Drives NBRA-659C","description":"\u003cp\u003eThe \u003cstrong\u003eABB NBRA-659C\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNBRA-659C\u003c\/strong\u003e Drive Brake Chopper Module, operates as a dedicated hardware component for overvoltage energy dissipation across ACS800 drive platforms. It monitors the direct current intermediate circuit voltage and switches an external braking resistor into the DC bus link loop when predefined voltage thresholds are exceeded.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNBRA-659C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eFinland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.50 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e280 mm x 150 mm x 95 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e15 W (Control electronics baseline consumption)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Bus Voltage Limits\u003c\/td\u003e\n\u003ctd\u003e540 to 1100 VDC continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Braking Current\u003c\/td\u003e\n\u003ctd\u003e120 A peak intermittent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Protection\u003c\/td\u003e\n\u003ctd\u003eOvertemperature detection, resistor short-circuit trip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe internal gate drive circuit executes microsecond-level switching sequences based on physical voltage sensor triggers located on the intermediate rail. For complex engineering structures with high I\/O density scaling profiles, the module transmits operational fault bits, thermal status telemetry, and active state registers to the primary industrial controller through the drive backplane interconnect interface. This telemetry integrates directly into high-tier fieldbus links, allowing monitoring stations over Profinet \/ EtherNet\/IP deterministic networks to log dynamic braking cycles and manage total plant power quality parameters.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the NBRA-659C module be hot-swapped while the drive intermediate DC bus is energized? A: No. Hot-swapping is strictly prohibited. The DC bus link stores high-voltage energy via heavy capacitor banks. Auxiliary and main supply sources must be completely isolated, and a verified discharge wait time of at least 5 minutes must be observed before servicing the unit.\u003c\/p\u003e\n\u003cp\u003eQ: How does the chopper handle an external braking resistor insulation fault? A: The module contains dedicated short-circuit detection circuitry. If an insulation breakdown or low-resistance short-circuit occurs across the resistor terminals during a firing cycle, the chopper immediately inhibits the gate pulses and asserts a local latching fault output to trip the upstream drive breaker.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Grounding Measures:\u003c\/strong\u003e Technicians must secure an approved ESD grounding wrist strap to the unpainted metallic sub-panel before handling internal configuration links or control terminal strips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Orientation and Airflow:\u003c\/strong\u003e Mount the module vertically inside the drive bay enclosure. Maintain a minimum free workspace clearance of 100 mm above and below the housing ventilation grilles to ensure proper thermal convection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Conductor Shielding Protocols:\u003c\/strong\u003e Connect the external braking resistor using twisted, shielded power cables. Terminate the cable shield at both ends using 360-degree high-frequency grounding clamps to suppress high-voltage electromagnetic radiation fields.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53590012723384,"sku":"NBRA-659C","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/NBRA-659C_1.jpg?v=1781491256","url":"https:\/\/www.globalpetroparts.com\/products\/drive-brake-chopper-modules-abb-acs800-drives-nbra-659c","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}