ALSTOM MCGG22L1CB0753E

Description

Product Description

The ALSTOM MCGG22L1CB0753E is a highly specific contactor or motor starter unit from Alstom’s range of power control and switching components. This model is engineered for robust and reliable operation in controlling three-phase motors, heaters, or other significant electrical loads within industrial and infrastructure applications. The primary function of the ALSTOM MCGG22L1CB0753E is to provide safe make-and-break control of power circuits, often incorporating built-in protective features. The detailed coding of the MCGG22L1CB0753E specifies its exact electrical characteristics, coil voltage, and optional accessories. Integrating this precise model into a control panel ensures compatibility with Alstom’s broader system designs and meets the demanding requirements for durability and performance.

Product Parameters

• Manufacturer / Brand: Alstom

• Product Type: Contactor / Motor Starter

• Model: MCGG22L1CB0753E

• Rated Operational Current (Ie): The “22” in the model code typically indicates a specific current rating frame, often corresponding to a rating such as 22A, 32A, or 40A at a given voltage (e.g., AC-3, 400V).

• Poles: Standard 3-pole design for switching three-phase power.

• Coil Control Voltage: The suffix “CB0753E” defines the coil voltage, which is likely a standard industrial control voltage (e.g., 110V AC, 230V AC, or 24V DC). The “E” may denote a specific terminal type or accessory.

• Auxiliary Contacts: May include one or more built-in or add-on auxiliary contacts (normally open and/or normally closed) for control circuit signaling.

• Mounting: Designed for panel mounting, typically on a DIN-rail (35mm or 75mm) or a dedicated mounting plate.

• Thermal Overload Relay Compatibility: Often designed to be paired with a specific series of Alstom thermal overload relays for complete motor protection.

• Standards Compliance: Conforms to international standards such as IEC/EN 60947 for low-voltage switchgear.

Advantages and Features

• High Breaking Capacity: Designed to safely interrupt high fault currents, providing protection for downstream equipment and wiring.

• Long Electrical and Mechanical Life: Constructed with durable materials and contact technology to withstand millions of operational cycles.

• Modular and Versatile Design: Allows for easy addition of auxiliary contact blocks, pneumatic timers, or mechanical interlocks to expand functionality.

• Clear Status Indication: Features a visible mechanical flag or window to indicate the ON/OFF position of the main contacts.

• Robust Construction: Built to resist vibration, electrical arcing, and thermal stress, ensuring reliable performance in harsh industrial environments.

• Safe and Easy Installation: The standardized design and mounting system facilitate quick and secure installation in control cabinets.

Application Cases in Key Fields

• Industrial Motor Control: The primary application is in Direct-On-Line (DOL) starters for controlling pumps, fans, compressors, and conveyor motors in manufacturing plants.

• HVAC Systems: Used to control compressors, fans, and pumps in large commercial heating, ventilation, and air conditioning units.

• Power Factor Correction (PFC) Panels: Employed to switch capacitor banks in and out of the circuit to manage reactive power in electrical distribution systems.

• Railway Auxiliary Systems: Controls non-traction loads such as air compressors, battery chargers, and large ventilation fans on board trains and trams.

Comparison with Competing Products

Compared to general-purpose contactors from major suppliers like Schneider Electric (TeSys D/L), Siemens (3RT/3TF), or ABB (A-series), the ALSTOM MCGG22L1CB0753E offers equivalent core switching functionality. Its key advantage is its designation as an original Alstom component, ensuring perfect fit and validated performance within systems originally designed with Alstom parts, particularly in the rail and heavy industrial sectors. Competing products may have a wider range of snap-on accessories, more compact designs, or broader global availability. However, for maintaining legacy systems, meeting specific project tender requirements, or ensuring guaranteed compatibility in existing panels, the ALSTOM MCGG22L1CB0753E is the specified and lower-risk choice.

Selection Suggestions and Precautions

• Decode the Model Number Precisely: Use the manufacturer’s catalog to decode MCGG22L1CB0753E. Confirm the exact rated operational current (Ie) for your load and the crucial coil voltage specified by “CB0753E”.

• Match the Load Type and Inrush Current: Ensure the contactor’s rating is suitable for the specific load (e.g., motor AC-3 rating) and can handle the motor’s starting inrush current without contact welding.

• Verify Thermal Overload Relay Pairing: If used for motor protection, confirm the compatible Alstom thermal overload relay model and ensure it is set to the motor’s full-load current.

• Check for Required Accessories: Determine if your application needs auxiliary contacts, a mechanical interlock for a reversing starter, or a surge suppression module for the coil, and order them accordingly.

• Observe Clearance and Cooling Requirements: Install the contactor with adequate electrical clearance and in a well-ventilated part of the panel to prevent overheating.

• Source Authentic Components: Given its role in power switching, procure the ALSTOM MCGG22L1CB0753E from authorized distributors or reputable industrial suppliers to avoid counterfeit parts that could pose a safety hazard.

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