ABB 7BB771322 AC VS Laminated Frame - RPMAC Foot
Part Number: 7BB771322
Quick Summary
ABB 7BB771322 AC VS Laminated Frame - RPMAC enables high-capacity motor drives in demanding industrial applications. Many engineers struggle with sourcing a robust, foot-mounted laminated frame that fits existing control cabinets and maintenance cycles. This design supports CE compliance considerations and is commonly evaluated for IP-rated enclosures and SIL options in safety-critical lines. With global stocking in China and Alabama, lead times are minimized, while a 400 HP rating and 1785 rpm support scalable automation for heavy machinery and process lines. The RPMAC frame integrates smoothly with ABB drive systems, helping reduce total cost of ownership through improved reliability and easier installation in new or retrofit systems.
Product Information
Extended Description
7BB771322 ABB: AC VS Laminated Frame - RPMAC (B771322)
ABB Type Designation
400.00HP,1,785,3,L4034,DPG-FV,Foot
Country of Origin
United States (US)
Customs Tariff Number
85015381
Frame Size
Undefined
Global Commercial Alias
B771322
Gross Weight
1080 lb
Made To Order
No
Minimum Order Quantity
1 piece
Order Multiple
1 piece
Product Name
AC VS Laminated Frame - RPMAC
Product Net Depth / Length
0 in
Product Net Height
0 in
Product Net Weight
1080 lb
Product Net Width
0 in
Product Type
Undefined
Quote Only
No
Selling Unit of Measure
piece
Stocked At (Warehouses)
China | Alabama, United States
Feature: 400 HP, 1785 rpm specification provides strong torque and dynamic response. Business Impact: Enables reliable control of heavy loads with predictable acceleration, reducing cycle times and equipment wear. Application: Heavy machinery, metalforming presses, and large conveyors benefit from consistent performance. Feature: Laminated frame design (AC VS) improves magnetic efficiency and thermal management. Business Impact: Lower operating temperatures and higher efficiency translate to longer motor life and reduced energy costs. Application: Continuous-duty drives in harsh environments such as packaging lines and material handling. Feature: Foot mounting and defined ABB Type Designation streamline installation. Business Impact: Standardized mounting reduces retrofit risk and accelerates commissioning. Application: Retrofit projects and new builds where quick integration with existing foundations is critical. Feature: Global stocking at multiple warehouses (China and Alabama) shortens lead times. Business Impact: Faster procurement supports just-in-time manufacturing and minimizes downtime. Application: Systems integrators and OEMs needing rapid deployment. Feature: Heavy-duty frame with 1080 lb gross weight and 1080 lb net weight availability? This framing supports robust installations. Business Impact: Higher stability in high-vibration environments, reducing misalignment. Application: Large-capacity motor installations in process industries. Objection Handling: Where frame size is listed as Undefined, consult BOM or distributor for precise mechanical compatibility; ABB configuration options can tailor mounting and shaft parameters to fit complex control cabinets. Feature: Stock and support ecosystem improves spares availability and maintenance planning. Business Impact: Lower total cost of ownership through easier maintenance planning and rapid parts replacement. Application: Any long-running automation line requiring predictable service cycles.
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FAQs
The RPMAC frame is foot-mounted and designed to integrate with ABB drive ecosystems. When planning a retrofit or new build, verify mounting hole patterns, shaft alignment, and enclosure clearance to ensure compatibility with current control cabinets and motor shafts. The 400 HP rating supports high-load drives, while the frame's laminated design aids thermal management in harsh environments.
With a 400 HP designation and a robust laminated construction, the RPMAC frame provides strong torque, improved magnetic efficiency, and stable mechanical integrity under heavy loads. This translates to better acceleration, reduced vibration, and longer motor life in heavy machinery, conveyors, and metalworking equipment.
For safety-critical applications, consider CE compliance, IP-rated enclosures, and SIL options as part of the system design. While certifications can vary by configuration, ABB frames like RPMAC are typically evaluated for these standards in their control system integration. Always confirm the specific certification suite with your ABB distributor for your exact build.
The RPMAC benefits from multiple stocking locations (China and Alabama), reducing lead times and supporting just-in-time procurement. Its foot-mount design simplifies installation, while the option to source from a global network helps maintain spare parts availability and minimize downtime during maintenance or expansion projects.
Expected ROI comes from improved reliability, reduced energy losses due to efficient laminated construction, and faster commissioning thanks to standardized mounting. With a 400 HP rating suitable for high-demand lines, operators can achieve higher throughput, lower maintenance costs, and shorter project timelines when upgrading or expanding automation.