ABB 1TNA920711R0002 M102-P motor control and protection unit

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ABB 1TNA920711R0002 M102-P motor control and protection unit

Product Overview

The ABB M102-P (Model: 1TNA920711R0002) is an intelligent motor control and protection unit that integrates motor start/stop control, overload protection, short-circuit protection, phase-loss protection, and more. Widely used in industrial motor control systems, it enhances motor safety and reliability while simplifying control circuit design.

Technical Specifications

• Model: 1TNA920711R0002 M102-P

• Category: Motor control and protection unit

• Rated Operating Voltage: AC 400 V / AC 690 V (depending on application)

• Rated Current Range: 0.4 A ~ 32 A (adjustable)

• Protection Functions: Overload, short-circuit, phase loss, unbalance, stall protection

• Control Functions: Motor start/stop, manual/automatic operation

• Communication Interfaces: Optional Modbus / Profibus / Ethernet (depending on version)

• Mounting: DIN rail or panel mounting

• Operating Temperature: -20 ℃ ~ +55 ℃

• Degree of Protection: IP20 (upgradable to IP54/IP65 with enclosure)

• Compliance: IEC/EN 60947-4-1, CE

Key Features & Advantages

1. Integrated Design – Combines motor control and protection in one device.

2. Smart Protection – Comprehensive motor fault detection and protection.

3. Flexible Operation – Supports manual and automatic modes for various applications.

4. Advanced Communication – Compatible with industrial bus systems for remote monitoring and diagnostics.

5. High Reliability – Robust design ensures stable operation in harsh environments.

Applications

• Industrial automation production lines

• Pumps, fans, and compressors

• Conveyor and material handling systems

• Metallurgy, mining, and chemical industries

• Building and infrastructure automation

Precautions

1. Ensure the rated motor current matches the unit settings before installation.

2. Use certified circuit breakers and contactors for coordination.

3. Follow ABB technical manuals strictly when wiring.

4. Avoid installing in high humidity, vibration, or dusty environments without protection.

5. Regularly review operation logs and protection actions to ensure proper functionality.

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