Westinghouse MME 11-150 DC Contactor

Description:

The Westinghouse MME 11-150 DC Contactor is a heavy-duty direct current electromagnetic contactor used in industrial motor control, battery systems, traction equipment, and DC power switching applications. Commonly installed in industrial automation systems, crane controls, mining equipment, battery-powered machinery, and DC drive systems requiring reliable high-current DC switching performance. Maintenance electricians, control engineers, and industrial automation technicians use this DC contactor for replacement, retrofit, or industrial power control maintenance. The MME series was designed for demanding DC switching applications with durable contact construction and magnetic arc suppression.

Applications:

The Westinghouse MME 11-150 DC contactor is commonly used in industrial electrical systems to switch DC motors, battery circuits, traction systems, and high-current DC loads. It is installed in manufacturing facilities, mining machinery, material handling equipment, rail systems, and industrial automation assemblies where dependable DC contact switching and stable electromagnetic control performance are required. The MME series has also been superseded by Eaton ME series DC contactors for modernization and replacement applications.

Technical Specifications:

• Manufacturer: Westinghouse Electric Corporation
• Model: MME 11-150
• Series: MME
• Product Type: DC Electromagnetic Contactor
• Current Type: Direct Current (DC)
• Function: DC load switching and motor control
• Application: Industrial DC power control and automation systems
• Contactor Type: Heavy-duty magnetic DC contactor
• Current Capacity: Up to 150 Amp class configuration
• System Compatibility: DC motor drives, battery systems, and industrial control assemblies
• Mounting Type: Panel-mounted industrial contactor installation
• Control Function: Electromagnetic switching of DC circuits
• Operating Environment: Industrial and heavy-duty electrical applications
• Intended Use: DC motor control, battery switching, and power distribution
• Performance Feature: Reliable heavy-duty DC switching with industrial-duty contact construction
• Replacement Series: Eaton / Westinghouse ME Series DC Contactor

Common Replacements:

• Eaton ME Series DC Contactor
• ABB DC Contactor
• Siemens Heavy-Duty DC Contactor