ABB M1M-2TAZ664052R0007

M1M: ABB M1M Series Motor Protection and Management Unit (Motor Protection Controller)

2TAZ664052R0007: Corresponding ABB original order number / material code

2. Product Type

Low-voltage three-phase motor integrated protection relay, used for motor protection, monitoring and basic control.

3. Core Functions

Overload, locked-rotor, and underload protection

Phase sequence, phase loss, and phase imbalance protection

Earth fault / earth leakage protection

Motor operating status monitoring and fault output

4. Same Series & Alternative Models

Same series: Full ABB M1M series (M1M 01/02/03 and other current ratings)

Upgraded alternatives: ABB M102 / M2M series (functionally compatible with enhanced performance)

Cross-brand alternatives: Siemens 3RB series, Schneider EOCR series motor protection relays

5. Typical Applications

Protection for three-phase asynchronous motors such as industrial fans, water pumps, conveyors, and compressors, as well as automated production lines and factory low-voltage power distribution systems.

ABB M1M Series Digital Multifunction Power Meters

1. Model Meaning & Product Positioning

Model Breakdown

M1M: ABB System pro M Series Digital Multifunction Power Meters (not motor protectors; please distinguish carefully)

Suffix numbers: Product function level (10/12/15/20/30); higher numbers indicate richer functions

Complete model example: M1M-2TAZ664052R0007 (2TAZ664052R0007 is the ABB original order number / material code)

Product Positioning

ABB’s new-generation modular DIN-rail mounted multifunction power monitoring meters, used for energy metering, power quality analysis, and electrical parameter monitoring in mediumand low-voltage primary and secondary distribution systems. Supports Modbus communication and is suitable for industrial and building applications.

2. Full Series Comparison

3. Technical Specifications (M1M 30 Series)

Measurement accuracy: Current/voltage class 0.2, active energy class 0.5S (compliant with IEC 62053-22), reactive energy class 2

Measured parameters: Three-phase voltage/current, active/reactive/apparent power, power factor, frequency, energy metering (forward/reverse), harmonic analysis (selected models)

CT input: Standard 1A/5A, supports star (3E) or delta (2E) connection

Ingress protection: IP51 (front panel), IP20 (terminals)

Mounting: 35mm DIN rail, 18mm width (1 module)

4. Core Application Scenarios
5. Sub-metering in commercial buildings (lighting, HVAC, power circuits)
6. Power distribution system monitoring and energy efficiency analysis in industrial plants
7. Power quality monitoring in data centers
8. Real-time electrical parameter monitoring in low-voltage distribution cabinets
9. Power generation metering for renewable energy systems (PV / wind power)
10. Alternative Models & Brand Comparison

Upgraded Alternatives (Same Brand)

Function expansion: ABB M2M series (higher accuracy, more communication protocols)

Basic version: ABB M1M 10/12 (basic energy metering, lower cost)

Cross-Brand Alternatives

6. Selection Guidelines
7. Measurement needs: Basic energy metering → M1M 10/12; real-time monitoring → M1M 15/20; power quality analysis → M1M 30
8. Communication needs: Remote monitoring → models with Modbus (M1M 15/20/30)
9. Control needs: Digital input/output required → M1M 30 I/O
10. Installation environment: Ensure operating temperature range (-25°C to +55°C) and protection class requirements

Complete List of ABB Multifunction Power Meters

This list covers ABB’s mainstream multifunction power meter series, sorted from basic metering to advanced power quality analysis by product positioning. Includes model numbers, core functions, technical parameters, order numbers, and application scenarios for easy selection and procurement reference.

1. M1M Series (System pro M, Modular DIN-Rail Mounted)

ABB’s new-generation compact multifunction power meters for mediumand low-voltage primary and secondary distribution systems. Only 18mm wide (1 module) and supports hot-swap.

I.1 Basic Metering Type (No Display / LED Indication)

I.2 Multifunction Display Type (LCD Display)

I.3 Advanced Power Quality Type

Special model: M1M-2TAZ664052R0007 (custom version of M1M series, order no. 2TAZ664052R0007), functions equivalent to M1M 30, for specific project requirements.

1. M2M Series (System pro M compact, Panel Mounted)

ABB mid-range power quality analyzers, 96mm wide (4 modules), suitable for mounting on distribution cabinet doors. Fully functional with advanced power quality analysis.

III. M4M Series (Network Analyzers)

ABB high-end power quality analyzers, standalone installation, for mediumand high-voltage distribution systems, providing complete power quality analysis and energy management.

1. D1M Series (System pro M Distributed Monitoring)

ABB distributed power monitoring system supporting centralized monitoring of multiple circuits, ideal for large buildings and industrial plants, with remote management via gateways.

1. EM Series (Smart Power Meters)

ABB economical multifunction power meters for small buildings and industrial applications, cost-effective and flexible installation.

1. Other Series (Special Applications)

VII. Selection Guide (By Application)

1. Basic energy metering: Choose M1M 10/12 or EM 20/100, low cost, meets basic statistical needs
2. General power monitoring: Choose M1M 15/20 or M2M 10, full functions, supports Modbus communication
3. Power quality analysis: Choose M1M 30 or M2M 20/30, harmonic analysis up to 40th/63rd, supports event recording
4. Medium-/high-voltage distribution: Choose M4M series, high-accuracy measurement, complete power quality analysis, supports IEC 61850
5. Multi-circuit centralized monitoring: Choose D1M series, distributed architecture, reduces wiring and costs-

VIII. Core Technical Parameter Comparison