- Mains chokes: Inductive components installed in the power supply line to reduce harmonics and smooth electrical noise. Often used with motors or drives to improve power quality.
- Maintenance switches: Safety switches used to disconnect equipment from power sources during maintenance or servicing, ensuring operator protection.
- Marking: The process of labeling electrical components, terminals, and wiring paths for identification, clarity, and maintenance purposes.
- Measuring contactor: A contactor equipped with features or interfaces for electrical parameter measurement, aiding diagnostics and system monitoring.
- Measurement and monitoring relay: A relay that combines electrical parameter measurement (e.g., voltage, current, phase) with control or alarm functions.
- Mechanical interlock: A mechanical device that physically prevents simultaneous activation of two or more components (e.g., reversing contactors), enhancing operational safety.
- Minimum cross-sections for protective conductors: Defined minimum wire sizes required for protective earthing conductors to ensure safety and regulatory compliance.
- Mirror contact: A mechanically linked auxiliary contact that reflects the state of the main contact, used for monitoring and safety feedback in control circuits.
- Modbus RTU: A widely used industrial communication protocol that transmits data between controllers and field devices over serial lines in a compact binary format.
- Modular switchgear system: A customizable system composed of modular electrical components (such as breakers and disconnects) that can be arranged to fit specific installation needs.
- Monitoring relays: Devices that supervise electrical variables such as voltage, current, phase, or insulation resistance, and take protective action when values are outside specified limits.
- Motor
- Anticlockwise operation: Motor rotation in the opposite direction of the clock when viewed from a defined reference point.
- Circuit documents: Technical diagrams and specifications associated with motor circuits.
- Clockwise operation: Motor rotation in the same direction as a clock’s hands.
- Control circuit devices for direct-on-line start: Components used to directly start motors with full supply voltage.
- Engineering: The design, analysis, and implementation of motors in electrical systems.
- General symbol: The standard schematic representation used for motors in diagrams.
- Information on the rating plate: Nameplate data such as voltage, frequency, current, and efficiency.
- Operating direction: The rotational direction in which a motor operates.
- Star-delta of three-phase motors: A motor starting method that initially connects windings in star, then switches to delta to reduce starting current.
- Switching capacitors: Capacitors used to support motor operation, improve power factor, or assist with starting.
- Switching on three-phase motors: The act of energizing motors connected to a three-phase power supply.
- Motor chokes: Inductors placed in motor circuits to filter harmonics or limit current.
- Motor overload relay, motor protection: A relay that interrupts the circuit when a motor draws excessive current, preventing damage.
- Motor power: The rated mechanical output power of a motor.
- Motor protection: The application of devices and techniques to prevent motor damage due to faults.
- Motor rating: The standardized performance and safety limits for a motor.
- Motor reactors: Inductive components that help control current and voltage transients in motor circuits.
- Motor starter RAMO 5: A specific designation for a motor starter, likely a product line or series.
- Motor torque: The amount of rotational force a motor produces.
- Motor-protective circuit-breaker: A circuit breaker designed to protect motors against overload, short circuit, and phase loss by automatically disconnecting power.
- Motor-protective circuit-breakers
- For starter combinations: Circuit breakers integrated into motor starter assemblies for combined protection and control.
- Operating principle schematics: Diagrams explaining how motor breakers function and respond to faults.
- Motor-protective trip blocks: Add-on modules for breakers that provide thermal and/or magnetic protection tailored to motor characteristics.
- Motor-starter combination MSC: A compact unit that combines the functions of starting and protecting a motor, usually made of contactors, breakers, and relays.
- Multi motor applications: Electrical setups where multiple motors are used together, requiring coordinated control and protection.
- Multifunction relay: A relay capable of performing several different monitoring or protection tasks in one unit.
- Multi-speed switches: Switches used to control motors with more than one operational speed, typically by switching windings or supply paths.
Published by Leonardo Tomás Cardillo
https://www.linkedin.com/in/leonardocardillo
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