KL3400L | Circuit Breaker | 400A | 3-Pole | 600V

KL3400L is a rugged industrial circuit breaker designed to deliver dependable overcurrent protection for three-phase power systems. Identified by its part number KL3400L, this device is purpose-built for maintenance, retrofit, and replacement tasks where exact specifications must be matched. Key specifications at a glance - Amperage: 400 A - Poles: 3-Pole - Voltage: 600 V Designed for real-world industrial use, this 3-pole breaker provides balanced protection across all phases in three-phase networks, helping prevent equipment damage from overcurrents and short-circuit events. Its 600 V rating covers a wide range of distribution and control panel applications, making it suitable for many industrial environments. Ideal use cases - Maintenance and upgrades of existing switchgear that requires a precise KL3400L-compatible replacement - Retrofit projects where a 400 A, 3-pole, 600 V protection device is specified - Spare parts for critical equipment banks in manufacturing, processing, and logistics facilities - Replacement in panels and assemblies that rely on exact part-number compatibility to maintain protection coordination Why this KL3400L stands out - Exact match, exact fit: The KL3400L designation is the best reference for compatibility, ensuring the replacement aligns with the panel’s protection scheme and mounting interface. - Clear, standardized rating: 400 A at 600 V across a 3-pole configuration simplifies selection for existing three-phase systems. - Practical reliability: Built for industrial environments where downtime is costly, offering consistent protection during routine operations and unforeseen faults. Fit and compatibility reminder Note: Confirm fit and ratings before ordering. The part number KL3400L is the best reference for compatibility with your panel and protection scheme. Practical guidance for installation and operations - Verify that the panel or switchgear is labeled for a 3-pole, 400 A, 600 V protector to ensure seamless replacement. - Use this breaker in applications where three-phase protection is required and where a KL3400L-compatible device is specified in maintenance or retrofit plans. - Maintain a small spare stock of KL3400L-identified breakers to shorten maintenance windows and reduce downtime in critical production lines. In short, the KL3400L circuit breaker combines a clearly defined 400 A, 3-pole, 600 V specification with the reliability expected in industrial environments. It’s the concrete, specification-aligned choice for maintenance, retrofit, and replacement projects where exact compatibility matters.