Overview
The ABB 720073-1 Speed Measurement HP Trip Module is a specialized electronic component designed for precise motor speed measurement and protection in industrial motor control systems. Manufactured by ABB STAL, a recognized leader in electrical equipment and industrial motor solutions, this module integrates speed sensing and trip relay functionality for demanding industrial applications. The unit combines reliable measurement capability with protective trip functions to safeguard motors against speed-related faults.
Key Features
- Dedicated speed measurement circuit for accurate motor RPM monitoring
- Integrated HP trip relay for motor protection against overspeed and underspeed conditions
- Compact modular design for easy integration into existing motor control panels
- Industrial-grade construction for harsh environment operation
- Factory-calibrated measurement circuits for consistent performance
Technical Specifications
The ABB 720073-1 is engineered as a specialized protection module within the STAL product family. While this is a legacy speed measurement and trip unit, it maintains compatibility with ABB’s industrial motor control systems and switchgear applications. Specific electrical characteristics and mounting configurations align with ABB’s modular protection standards for motor control equipment.
Typical Applications
- Industrial motor speed monitoring and protection systems
- Pump and fan motor control with speed feedback
- Machinery protection requiring overspeed/underspeed detection
- Integration into ABB low-voltage motor control centers
- Critical process applications requiring reliable motor speed verification
Compatibility & Replacements
The ABB 720073-1 is a specialized OEM module from ABB’s STAL product line. Replacement or upgrade options depend on your specific control system architecture and protection requirements. For equivalent modules or modern alternatives, consult ABB product catalogs or contact authorized ABB distributors. This unit is compatible with ABB motor control and protection equipment designed for the same voltage class and application profile. New in-box condition ensures factory specifications and reliability for drop-in installation.










