Description
Technical Specifications
- Product Model: 1TNA920711R0002
- Brand: ABB
- Series: M102 Motor Management System
- Warranty: One Year
- Input Voltage: 24 VDC auxiliary supply
- Operating Temperature: -20 °C to +60 °C
- Storage Temperature: -40 °C to +85 °C
- Response Time: < 100 ms fault detection response
- Protection Class: IP20 (DIN rail cabinet mounting)
- Accuracy Class: ±1% current measurement accuracy
- Output Frequency: Compatible with 50/60 Hz motor circuits
- Rated Current Range: 0.24 A – 63 A via external current transformers
- Communication Interface: Profibus DPV1 interface terminal block
- Supported Protocols: Profibus DPV1
- Overload Capacity: Configurable thermal overload, locked rotor, phase loss, earth fault protection
- Dimensions: 114 mm × 76 mm × 52 mm
Product Overview
The 1TNA920711R0002, designated as M102-P, is an intelligent motor management unit built for low-voltage three-phase induction motors. This modular device integrates motor control, continuous condition monitoring and multi-level electrical protection within a single DIN rail housing. It measures phase current, detects abnormal operating conditions and executes configurable trip logic to prevent winding burnout and mechanical damage. The built-in Profibus DPV1 communication enables bidirectional data exchange with PLCs and SCADA platforms, transmitting real-time motor load data, fault codes and operational statistics. Remote parameterisation and fault logging reduce manual inspection work. Electrical maintenance teams stock this spare unit to replace outdated motor protection relays, modernising motor control centres and improving uptime for critical rotating machinery.
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