KM3B400 - 400Amp Circuit Breaker

KM3B400 - 400Amp Circuit Breaker

The KM3B400 Circuit Breaker is a high-capacity, reliable solution tailored for demanding commercial and industrial applications. Designed with a robust three-pole configuration and a 400-ampere capacity, this molded case circuit breaker ensures optimal protection against overloads and short circuits. Its advanced interrupting capacity and durable construction make it a vital component for safeguarding your electrical systems, delivering both safety and efficiency.

Key Features and Benefits:

• High Interrupting Capacity: Handles up to 42kA at 240VAC, 30kA at 480VAC, and 22kA at 600VAC, providing robust protection under severe fault conditions.
• Thermal-Magnetic Protection: Integrates both thermal and magnetic trip mechanisms to offer comprehensive protection against overloads and short circuits.
• Durable Molded Case Construction: Ensures long-lasting performance and resistance to environmental stresses.

Technical Specifications:

• Amperes: 400
• Poles: 3
• A.I.C. Rating & Volts: 22kA at 600VAC, 30kA at 480VAC, 42kA at 240VAC
• Frame Type: KM3
• Operating Temperature: Rated for 40å¼C

Material Compliance and Certifications:

• UL Listed: Complies with the stringent safety and performance standards set by Underwriters Laboratories.
• RoHS Compliant: Free from hazardous substances, ensuring it is environmentally friendly and safe for various applications.
• Type ET Certification: Certified for specific applications, ensuring compatibility and reliability with existing electrical systems.

Suitability:

• The KM3B400 Circuit Breaker is ideal for a wide range of applications, including commercial buildings, industrial facilities, and utility systems. Its high interrupting capacity and robust design make it perfect for protecting critical operations, ensuring minimal downtime and maximum safety. Whether you are upgrading an existing electrical system or installing a new one, the KM3B400 provides the dependable performance and protection you need.

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