MJA36300 | Schneider Electric PowerPacT M-Frame Molded Case Circuit Breaker 300A 3-Pole 600VAC I-Line
MJA36300 | Schneider Electric PowerPacT M-Frame Molded Case Circuit Breaker 300A 3-Pole 600VAC I-Line
MJA36300 | Schneider Electric PowerPacT M-Frame Molded Case Circuit Breaker 300A 3-Pole 600VAC I-Line
    MJA36300 | Schneider Electric PowerPacT M-Frame Molded Case Circuit Breaker 300A 3-Pole 600VAC I-Line
MJA36300 | Schneider Electric PowerPacT M-Frame Molded Case Circuit Breaker 300A 3-Pole 600VAC I-Line

MJA36300 | Schneider Electric PowerPacT M-Frame Molded Case Circuit Breaker 300A 3-Pole 600VAC I-Line

Part #: MJA36300 Manufactured by: Schneider Electric
Regular price
$5,287.00
Sale price
$5,287.00
Regular price
4 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The MJA36300 is a PowerPacT M-Frame Circuit Breaker designed to protect electrical systems from overloads and short circui...  Read more
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Warranty for Product #: MJA36300
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Product Description P/N: MJA36300

Description / Specifications

Description 

The Schneider Electric MJA36300 is a PowerPacT M-Frame molded case circuit breaker designed to protect electrical systems against overload and short-circuit conditions. This 3-pole breaker features a continuous current rating of 300 A and operates at up to 600 VAC with an electronic ET 1.0 trip unit. The MJA36300 supports high-performance power distribution applications where precise tripping and high interrupting capacity are required.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Schneider Electric
Category Circuit Breaker
Part Number MJA36300
Subcategory Molded Case Circuit Breaker
Line Rated Current 300 A
Number of Poles 3P
Control Type Operating Handle
Breaking Capacity Code J
Rated Operational Voltage [Ue] 600 V AC, 50/60 Hz (UL 489)
Network Frequency 50/60 Hz
Rated Service Breaking Capacity [Ics] 35 kA at 240 V AC (IEC 60947-2)
Rated Impulse Withstand Voltage [Uimp] 8 kV (IEC 60947-2)
Trip Unit Technology Electronic, Basic
Trip Unit Name ET 1.0
Magnetic Tripping Current 600–3000 A
Long-Time Pickup Adjustment Range 300–800 A
Continuous Current Rating 80%
Rated Insulation Voltage [Ui] 750 V (IEC 60947-2)
Suitability for Isolation Yes (IEC 60947-2)
Utilisation Category Category A
AWG Gauge Range 3 × AWG 3/0 to 3 × 500 kcmil (Al/Cu)
Local Signalling Trip Indicator (Green)
Mounting Mode I-Line Bracket
Mounting Support Bracket, Terminal Identifier AL800M23K
Mounting Height 9 in (228.60 mm)
Power Wire Stripping Length 0.98 in (25 mm)
Color Black
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 (13.15 kg)
Quantity per Set 1
Circuit Breaker Application HACR Rated

 

 

Information About MJA36300

The MJA36300 is part of Schneider Electric’s PowerPacT M-Frame family developed for high-capacity commercial and industrial power distribution systems. It incorporates an electronic ET 1.0 trip unit that provides accurate long-time and instantaneous protection with adjustable settings to match system requirements. The breaker is constructed to meet UL, CSA, NOM, and IEC standards, ensuring compliance across a wide range of installations. Its I-Line mounting design supports efficient installation and removal while maintaining secure electrical connections.

Key Features:

  • PowerPacT M-Frame Construction: Engineered for high-current applications requiring robust molded case durability and stable performance under demanding electrical conditions.
  • Electronic ET 1.0 Trip Unit: Provides precise, repeatable tripping with adjustable long-time pickup settings for improved coordination and system protection.
  • 300 Amp Continuous Rating: Supports high-load feeders and distribution circuits in commercial and industrial environments.
  • Three-Pole Configuration: Enables comprehensive protection of three-phase power systems.
  • High Interrupting Capacity: Designed to safely interrupt fault currents with rated breaking capacities aligned to industrial requirements.
  • I-Line Mounting System: Allows fast installation and removal in I-Line panelboards while maintaining reliable line-side connections.
  • Integrated Trip Indicator and Push-to-Trip: Supports clear visual fault indication and manual tripping for testing and maintenance.

The MJA36300 delivers the reliability and precision required for advanced circuit protection in Schneider Electric PowerPacT M-Frame electrical distribution systems.

Description / Specifications

Description 

The Schneider Electric MJA36300 is a PowerPacT M-Frame molded case circuit breaker designed to protect electrical systems against overload and short-circuit conditions. This 3-pole breaker features a continuous current rating of 300 A and operates at up to 600 VAC with an electronic ET 1.0 trip unit. The MJA36300 supports high-performance power distribution applications where precise tripping and high interrupting capacity are required.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Schneider Electric
Category Circuit Breaker
Part Number MJA36300
Subcategory Molded Case Circuit Breaker
Line Rated Current 300 A
Number of Poles 3P
Control Type Operating Handle
Breaking Capacity Code J
Rated Operational Voltage [Ue] 600 V AC, 50/60 Hz (UL 489)
Network Frequency 50/60 Hz
Rated Service Breaking Capacity [Ics] 35 kA at 240 V AC (IEC 60947-2)
Rated Impulse Withstand Voltage [Uimp] 8 kV (IEC 60947-2)
Trip Unit Technology Electronic, Basic
Trip Unit Name ET 1.0
Magnetic Tripping Current 600–3000 A
Long-Time Pickup Adjustment Range 300–800 A
Continuous Current Rating 80%
Rated Insulation Voltage [Ui] 750 V (IEC 60947-2)
Suitability for Isolation Yes (IEC 60947-2)
Utilisation Category Category A
AWG Gauge Range 3 × AWG 3/0 to 3 × 500 kcmil (Al/Cu)
Local Signalling Trip Indicator (Green)
Mounting Mode I-Line Bracket
Mounting Support Bracket, Terminal Identifier AL800M23K
Mounting Height 9 in (228.60 mm)
Power Wire Stripping Length 0.98 in (25 mm)
Color Black
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 (13.15 kg)
Quantity per Set 1
Circuit Breaker Application HACR Rated

 

 

Information About MJA36300

The MJA36300 is part of Schneider Electric’s PowerPacT M-Frame family developed for high-capacity commercial and industrial power distribution systems. It incorporates an electronic ET 1.0 trip unit that provides accurate long-time and instantaneous protection with adjustable settings to match system requirements. The breaker is constructed to meet UL, CSA, NOM, and IEC standards, ensuring compliance across a wide range of installations. Its I-Line mounting design supports efficient installation and removal while maintaining secure electrical connections.

Key Features:

  • PowerPacT M-Frame Construction: Engineered for high-current applications requiring robust molded case durability and stable performance under demanding electrical conditions.
  • Electronic ET 1.0 Trip Unit: Provides precise, repeatable tripping with adjustable long-time pickup settings for improved coordination and system protection.
  • 300 Amp Continuous Rating: Supports high-load feeders and distribution circuits in commercial and industrial environments.
  • Three-Pole Configuration: Enables comprehensive protection of three-phase power systems.
  • High Interrupting Capacity: Designed to safely interrupt fault currents with rated breaking capacities aligned to industrial requirements.
  • I-Line Mounting System: Allows fast installation and removal in I-Line panelboards while maintaining reliable line-side connections.
  • Integrated Trip Indicator and Push-to-Trip: Supports clear visual fault indication and manual tripping for testing and maintenance.

The MJA36300 delivers the reliability and precision required for advanced circuit protection in Schneider Electric PowerPacT M-Frame electrical distribution systems.

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