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6644424A1 is identified by ABB as a Voltage Bus Monitor Assembly within the Bailey Infi 90 family.
Operator-interface hardware supports interaction between plant personnel and the control system by presenting information or accepting commands through the interface provided by the assembly. The plant's maintenance records should support final product selection.
As part of the Bailey Infi 90 family, this item belongs to an established DCS environment used for modular process control. Application should follow the system drawings and module assignments for the installation. Maintenance planning should reference the installed hardware configuration.
Country of origin is listed as India.
When this product is used for lifecycle support, technicians should confirm the installed revision, connection arrangement, and system assignment rather than assuming interchangeability with a similarly named module. Application should remain aligned with the documented system design.
ASEA Brown Boveri
Voltage Bus Monitor Assembly used with the Harmony Rack Power System (MPS3).
MPSIII DC Bus Monitoring Assembly
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