MP240GF - 40 Amp Circuit Breaker

MP240GF - 40 Amp Circuit Breaker

Finding the right replacement for your breaker is really about matching the details, not simply choosing something that looks similar. The Siemens MP240GF circuit breaker is a 40-amp, 2-pole, 120/240V AC GFCI circuit breaker with an MP-GT design, Class A designation, and 10 kA interrupting rating. Designed for personnel-protection applications in compatible electrical distribution equipment, this breaker combines circuit protection with ground-fault circuit-interrupter functionality.

Key Features and Benefits

• 40A current rating: Intended for applications specifically requiring a 40-amp breaker.
• 2-pole configuration: Provides the two-pole arrangement specified for the MP240GF.
• 120/240V AC rating: Matches compatible electrical equipment requiring this voltage configuration.
• GFCI protection: Adds ground-fault circuit-interrupter functionality for applications requiring GFCI protection.
• Class A design: Manufacturer specifications identify the breaker as MP-GT, MP-HGT, Class A.
• Plug-on configuration: Siemens describes this breaker family as a 2-pole plug-on design.
• UL Listed and CSA Certified: The manufacturer information for the MP240GF specifically states both certifications.

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number / MFN: MP240GF
  
• Article Number: US2\:MP240GF
  
• Product Description: 40A 2-Pole 120/240V 10 kA MP-GT GFCI Circuit Breaker
  
• Breaker Type: GFCI Miniature Circuit Breaker
  
• Design: MP-GT / MP-HGT / Class A
  
• Current Rating: 40A
  
• Voltage Rating: 120/240V AC
  
• Number of Poles: 2
  
• Interrupting Rating: 10 kA
  
• Supply Frequency: 50/60 Hz
  
• Connection Configuration: Plug-on
  
• Protection Type: GFCI / Personnel Protection
  
• Certifications and Ratings: UL Listed, CSA Certified, HACR Rated
  
• Net Weight: 1.058 lb
  
• UPC: 040892529975
  
• Commodity Code: 8536308000
  
• Export Classification: ECCN EAR99 / AL N
  
• Dangerous Goods Classification: No
  
• Product Group: 5277
  
• Catalog ID: LV10.1
  
• Group Code: P320
  
• Country of Origin: Philippines
  

Material Compliance and Certifications

The Siemens MP240GF carries several manufacturer-documented approvals and ratings: UL Listed, CSA Certified, and HACR Rated. Siemens also classifies the breaker as MP-GT, MP-HGT, Class A, with GFCI personnel-protection functionality.

Where It Works Best

The Siemens MP240GF 40A GFCI circuit breaker is best suited to compatible electrical distribution equipment that specifically requires its combination of 40A current rating, two-pole configuration, 120/240V AC rating, 10 kA interrupting rating, Class A GFCI protection, and MP-GT design. Its stated applications include compatible load center main, feeder, and miniature circuit breaker installations that require the specified GFCI personnel-protection function.