MCP431800CR - 150Amp Motor Circuit Protector

MCP431800CR - 150Amp Motor Circuit Protector

For the MCP431800CR, a good replacement depends on several specific details you're working with. This 150 amp, 3-pole Type MCP motor circuit protector uses magnetic-only operation with an instantaneous trip range of 575–1,800 amps and carries a 600VAC rating. For legacy applications, the goal isn't simply finding another 150A device—the pole count, voltage, magnetic trip characteristics, terminal configuration, and physical footprint must all match.

Key Features and Benefits

• 150 Amp, 3-Pole Configuration: Clearly defined ratings make it easier to compare the MCP431800CR with the currently installed protector.
• Magnetic-Only Operation: Uses a magnetic trip rather than an unspecified combination of trip functions.
• 575–1,800A Instantaneous Trip Range: Provides an important trip characteristic to verify when matching a replacement.
• 600VAC Rating: The supplied specifications identify the MCP431800CR for applications requiring this voltage rating.
• Non-Aluminum Terminals Included: This version includes non-aluminum terminals, helping distinguish it from MCP variants with standard aluminum alloy terminals.
• Built to Last: Solid construction suits its intended electrical application when selected, installed, and maintained correctly.

Technical Specifications

• Part Number: MCP431800CR
  
• Product Type: Motor Circuit Protector
  
• Subcategory: Motor Circuit Protector
  
• Type: MCP
  
• Amperes: 150A
  
• Poles: 3
  
• Voltage Rating: 600VAC
  
• Trip Type: Magnetic Only
  
• Trip Function: Instantaneous Setting
  
• Instantaneous Trip Range: 575–1,800A
  
• Terminals: Non-Aluminum Terminals Included
  
• Height: 6.0 in.
  
• Width: 4.13 in.
  
• Depth: 3.38 in.
  
• Dimensions: 4.13"W x 6.00"H x 3.38"D
  
• Approx. Shipping Weight: 6.50 lbs.
  

Material Compliance and Certifications

The supplied specifications state that the MCP431800CR includes non-aluminum terminals. The specific terminal material, conductor range, and terminal size were not provided, so describing the terminals beyond "non-aluminum" would require assumptions that aren't supported by the available product data.

Where It Works Best

The MCP431800CR motor circuit protector is a practical replacement candidate for compatible existing or legacy electrical equipment that calls for a 150A, 3-pole Type MCP protector with magnetic-only operation. Its 600VAC rating and 575–1,800A instantaneous trip range are two key electrical specifications to compare with the existing unit.