MGA36700 - 700 Amp Circuit Breaker

MGA36700 - 700 Amp Circuit Breaker

The MGA36700 is a 700 amp, 3-pole circuit breaker for your compatible electrical distribution equipment that requires an I-Line configuration, ET 1.0 electronic trip unit, and 600VAC rating. For replacement work, those details matter just as much as the catalog number. This breaker has an 80% continuous current rating, an 18kA interrupting rating at 600VAC, and an adjustable long-time pickup range of 300–800A. For existing or legacy equipment, consider the MGA36700 only as a form, fit, and functional replacement after matching its electrical ratings, I-Line mounting arrangement, terminal requirements, dimensions, and trip-unit characteristics to the application.

Key Features and Benefits

• 700A, 3-Pole Configuration: Rated at 700 amps with three poles for compatible electrical distribution applications.
• 600VAC Rating: Rated for operation at up to 600VAC, 50/60Hz under the supplied UL 489 specifications.
• ET 1.0 Electronic Trip Unit: Uses a basic ET 1.0 electronic trip unit with a 300–800A long-time pickup adjustment range.
• I-Line Configuration: Uses an I-Line connection on the line side with mechanical lugs on the load side, an important detail when checking form and fit.
• Load-Side Conductor Range: Supplied conductor range is 3 x 3/0 AWG through 3 x 500 kcmil aluminum/copper.
• 80% Continuous Current Rating: Manufacturer specifications identify the breaker with an 80% continuous current rating.
• Push-to-Trip Function: An integral push-to-trip button allows manual tripping.

Technical Specifications

• Catalog Number: MGA36700
  
• Product Type: Circuit Breaker
  
• Product Family: PowerPact M
  
• Device Application: Distribution
  
• Rated Current: 700A
  
• Number of Poles: 3
  
• Rated Operational Voltage: 600VAC, 50/60Hz
  
• Network Frequency: 50/60Hz
  
• Trip Unit Technology: Electronic, Basic, ET 1.0
  
• Trip Unit Name: ET 1.0
  
• Long-Time Pickup Adjustment Range: 300–800A
  
• Magnetic Tripping Current: 1,400–7,000A
  
• Continuous Current Rating: 80%
  
• UL 489 AIR: 65kA at 240VAC, 50/60Hz
  
• UL 489 AIR: 35kA at 480VAC, 50/60Hz
  
• UL 489 AIR: 18kA at 600VAC, 50/60Hz
  
• IEC 60947-2 Icu: 50kA at 240VAC, 50/60Hz
  
• IEC 60947-2 Icu: 35kA at 380/415VAC, 50/60Hz
  
• IEC 60947-2 Ics: 25kA at 240VAC, 50/60Hz
  
• IEC 60947-2 Ics: 20kA at 380/415VAC, 50/60Hz
  
• Rated Insulation Voltage: 750V, IEC 60947-2
  
• Line-Side Connection: I-Line connection
  
• Load-Side Connection: Lugs
  
• Height: 12.86 in. (326.64 mm)
  
• Width: 8.27 in. (210.06 mm)
  
• Depth: 8.05 in. (204.47 mm)
  
• Net Weight: 29 lb. (13.2 kg)
  
• Circuit Breaker Application: HACR-rated
  

Material Compliance and Certifications

The MGA36700 circuit breaker carries several specifically documented standards and certifications. These are useful checkpoints when a replacement application has defined equipment or compliance requirements.

• Product Certifications: UL, CSA, NOM
• Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
• Quality Label: CE
• HACR Rated: Yes
• Degree of Protection: IP40

Where It Works Best

The MGA36700 700A circuit breaker suits compatible existing and legacy electrical distribution equipment that requires its combination of 700A current rating, three poles, I-Line construction, ET 1.0 electronic trip unit, 600VAC rating, 80% continuous current rating, and ABC phase connection.