MJA36400 - 400A Circuit Breaker

MJA36400 400A Circuit Breaker

The PowerPacT MJA36400 circuit breaker is a robust and reliable solution designed to protect electrical systems from damage due to overloads and short circuits. Rated at 400A with a 3-pole configuration and 600VAC operational voltage, this circuit breaker offers an interrupting rating of 25kA, making it suitable for demanding industrial applications. It features an electronic trip unit, ET 1.0, which provides enhanced protection accuracy and a continuous current rating of 80%. The MJA36400 is designed with I-Line terminations on the line side and mechanical lugs on the load side, ensuring ease of installation and maintenance.

Key Features and Benefits

• High Interrupting Capacity: With a 25kA interrupting rating at 600VAC, the MJA36400 can handle significant electrical faults, providing reliable protection for your electrical systems.
• Electronic Trip Unit: The ET 1.0 trip unit ensures precise overload and short circuit protection, enhancing system reliability.
• Durable Construction: Designed to operate in a wide range of temperatures, this circuit breaker is built to last in harsh industrial environments.
• Ease of Installation: The I-Line terminations and mechanical lugs facilitate quick and secure installation and maintenance.
• Safety Compliance: Meets UL, CSA, NOM, and IEC standards, ensuring adherence to stringent safety and performance requirements.

Technical Specifications

• Range: PowerPacT
• Product Type: Circuit breaker
• Device Application: Distribution
• Rated Current: 400A
• Number of Poles: 3
• Breaking Capacity: 25kA at 600VAC
• Operational Voltage: 600V AC 50/60 Hz
• Trip Unit Technology: Electronic, ET 1.0
• Magnetic Tripping Current: 800…4000A
• Continuous Current Rating: 80%
• Insulation Voltage: 750V IEC 60947-2
• Mounting Mode: I-Line bracket
• Dimensions (HxWxD): 12.86 in x 8.27 in x 8.05 in
• Net Weight: 29 lb (13.15 kg)

Material Compliance and Certifications

• Certifications: UL, CSA, NOM, CE, IEC 60947-2
• Environmental Compliance: RoHS, REACh
• Sustainability: Green Premium™ label for best-in-class environmental performance, transparency on environmental impacts, and circular product design.
• Protection Class: IP40, suitable for environments with moderate levels of dust and moisture.

Suitability

• The MJA36400 circuit breaker is ideal for use in industrial and commercial electrical distribution systems, particularly where high reliability and precise protection are required. Its robust construction and compliance with international standards make it suitable for use in various applications, including manufacturing plants, data centers, and commercial buildings.

By integrating the MJA36400 circuit breaker into your electrical system, you ensure enhanced safety, reliability, and performance, meeting the highest industry standards and environmental compliance requirements.