Industrial KS3400TAG 400A 3-Pole Circuit Breaker

Introducing the Industrial KS3400TAG 400A 3-Pole Circuit Breaker — a purpose-built protective device engineered for demanding industrial power systems. With a 400 A current rating and a true 3-pole design, this breaker is ready to safeguard three-phase feeders, motor circuits, and heavy machinery in manufacturing, processing, and distribution environments.

Why the KS3400TAG stands out for industrial protection

• 400 A current rating provides reliable protection for high-demand three-phase loads, helping prevent damage from overloads and short circuits.
• 3-pole configuration ensures synchronized interruption across all three phases, preserving balanced operation and reducing the risk of phase-distribution faults.
• Thermal-magnetic trip mechanism delivers fast, predictable fault interruption, minimizing downtime and protecting wiring, motors, and downstream equipment.
• Industrial-grade construction designed to withstand the rigors of factory floors, switchgear rooms, and motor control centers while offering straightforward replacement in existing KS3400TAG-compatible panels.
• Clear part identification—Part Number KS3400TAG—so you can confidently match replacements and keep your protection strategy consistent across your installations.

Ideal applications and practical use cases

• Main or feeder protection in distribution panels and motor control centers for three-phase machinery, conveyors, pumps, and presses.
• Backup protection in industrial facilities where centralized electrical protection reduces equipment downtime and improves safety margins.
• Strategic protection for service entrances or branch circuits that feed heavy loads, ensuring rapid isolation during faults.

Key specifications at a glance

• Current rating: 400 A
• Poles: 3
• Model / part number: KS3400TAG
• Type of protection: Thermal-magnetic trip for overloads and short circuits

Tips for installation, maintenance, and optimization

• Verify panel compatibility and ensure wiring terminals are tightened to the manufacturer’s torque specifications to maintain a solid, reliable connection.
• Use as either a main breaker or a feeder in industrial panels to protect three-phase loads consistently across all phases.
• Pair with corresponding fault-protection schemes and labeling in the panel to support quick troubleshooting and safer maintenance operations.
• Schedule periodic inspections of the trip unit and inspection of terminations in harsh environments to sustain long-term reliability.

Trade up to the KS3400TAG when you need dependable, three-phase protection that aligns with industrial electrical standards. This 400 A, 3-pole circuit breaker delivers precise interruption when faults occur, helping safeguard equipment, improve uptime, and support safer, more efficient operations.