ABB 1TNA920711R0002 Intelligent Motor Control and Protection Unit

Product Description

ABB 1TNA920711R0002 is M102-P intelligent motor control and protection unit, belonging to M10x series motor protector. It integrates motor protection, logic control, measurement monitoring and communication functions to provide comprehensive protection for low-voltage three-phase motors. Equipped with local operation display panel and Modbus RTU bus communication, it can upload motor operating parameters and fault information to PLC/DCS systems. Designed for installation inside switch cabinets, with abundant fault diagnosis and event recording functions. It is a core intelligent protection device for industrial low-voltage motors.

Specifications

• Model: M102-P
• Part Number: 1TNA920711R0002
• Series: ABB M10x Intelligent Motor Control & Protection Unit
• Current Measuring Range: CT 0.24~63A
• Auxiliary Supply: 24V DC
• Digital Input DI: 24VDC
• Communication Protocol: Modbus RTU
• Protection Functions: Overload, stall, earth fault, phase loss, phase unbalance, underload, voltage monitoring
• Control Functions: DOL direct-on-line start, reversible start control
• HMI: Integrated local display & operation panel
• Event Log: Fault event storage, historical fault query supported
• Mounting: DIN rail mounting inside cabinet
• Ambient Operating Temp: -20℃ ~ +60℃
• Protection Class: IP20 (unit body)
• Certifications: CE, UL
• Standard Warranty: 1 year

Applications

Widely used for low-voltage three-phase asynchronous motor protection in chemical, power, metallurgy, water treatment, oil & gas, paper industries. Applied for pumps, fans, compressors, conveyors and other motor circuits inside MCC motor control cabinets. It supports local motor control & protection plus remote monitoring, connecting to DCS/PLC for centralized management. Suitable for new MCC projects and intelligent retrofit of legacy motor control circuits.

Series Models (M10x Series)

M101-M, M101-P M102-M, M102-P M103-M, M103-P