ABB UN 0941c-P VAR.1 Command Generation Module

Key Features

Technical Specifications

Applications

The UN 0941c-P VAR.1 is utilized in power generation and industrial control systems:

• Power Generation: Synchronous generator excitation and synchronization control

• Industrial Drives: Large synchronous motor control systems

• Utility Substations: Voltage regulation and command generation for grid connection

• Marine Applications: Shipboard power generation control systems

Important Notes

• Legacy Component: This module is part of a legacy ABB product line. Verify exact compatibility with your specific UNITROL or SYNCHROTACT system model and hardware revision before ordering .

• Part Number Variations: The part number may appear in supplier listings as UN 0941c-P VAR.1, UN0941C-PV1, or with alternate references HIER449641R1 / HIER 449641 R0001 . These variations typically refer to the same underlying product.

• Common Typos: When searching, be aware of common typos such as H1ER449641R1, HIER449641RI, HIER449641Rl, HIER44964IR1, and HIER44964lR1 .

• Condition Availability: Units may be available as brand new, refurbished, or used depending on supplier stock .

• Warranty: Standard warranties on available units vary by supplier. Confirm warranty terms before purchase .

• Documentation: For definitive technical specifications, refer to ABB's official UNITROL and SYNCHROTACT system documentation for your specific application.

FAQ

Q1: What is the primary function of the ABB UN 0941c-P VAR.1 module?

A: It is a Command Generation Module used in ABB UNITROL and SYNCHROTACT 3 systems. Its primary function is to generate precise commands for critical operational parameters within power system control applications .

Q2: What is the difference between UN 0941c-P and UN 0941c-P VAR.1?

A: The "VAR.1" designation indicates a specific hardware revision variant. The base model number identifies the module type, while the variant suffix indicates compatibility with defined UNITROL or SYNCHROTACT system configurations.

Q3: What does the alternate part number HIER449641R1 refer to?

A: HIER449641R1 (also written as HIER 449641 R0001 or UN0941C-PV1) is an internal ABB ordering or reference number for this specific module variant . It may be used interchangeably with UN 0941c-P VAR.1 when sourcing the component.

Q4: Is this module still in production?

A: This is a legacy component. Availability is typically limited to existing stock, refurbished units, or repair services from industrial automation aftermarket suppliers .

Q5: How can I verify compatibility with my UNITROL or SYNCHROTACT system?

A: Consult your system documentation or contact ABB technical support with your specific system model and serial number. The VAR.1 designation indicates compatibility with particular hardware revisions. Proper application depends on matching the product to the original control-system design, including its physical position, electrical connections, and configured relationship with surrounding hardware .

Q6: Can this module be repaired?

A: Yes. Industrial electronics repair specialists offer repair and exchange services for the UN 0941c-P module. Completed repairs typically include a warranty (varies by provider).

Q7: What are the typical voltage specifications?

A: Available supplier data indicates the module may operate with 24 VDC, 120 VAC, or 230 VAC depending on the specific system configuration .