Industrial MA3800N 800A 3-Pole 600 V Circuit Breaker Potential Transformer

Engineered for demanding industrial power systems, the MA3800N 800A 3-Pole 600 V circuit breaker combines rugged protection with thoughtful integration-ready features. This industrial device is built to safeguard essential feeders and motor circuits in switchgear and control panels, delivering dependable interruption and clear signaling when faults occur.

Key specifications at a glance

• Part Number: MA3800N
• Current rating: 800 A
• Poles: 3
• Voltage rating: 600 V
• Application context: Industrial power distribution, switchgear, motor feeders
• Protective role: Three-phase protection with reliable trip action
• Potential Transformer compatibility: Designed to integrate with standard voltage sensing and protection schemes, enabling streamlined metering and relay connections

Why this design stands out

The MA3800N isn’t just a breaker—it’s a practical solution for modern industrial electrical rooms. Its three-pole configuration ensures balanced protection across all phases, helping to prevent phase imbalances and reducing the risk of gear damage during transients. The 600 V voltage rating covers a broad range of industrial networks, giving you flexibility in panel design and future expansion.

What sets this model apart is its emphasis on compatibility with protection and metering systems. The potential transformer-ready approach means you can connect voltage sensing devices and protection relays with fewer wiring runs, simplifying installation and maintenance while helping you achieve more accurate, reliable fault detection.

Ideal use cases

• Main feeders in industrial switchgear and control panels
• Motor control centers handling large-capacity motors and pumps
• Distributed power buses in manufacturing facilities where robust, phase-balanced protection is essential

Practical benefits and practical tips

• Reliable protection for critical loads: With an 800 A rating, the MA3800N handles substantial supply currents while providing swift, predictable tripping to minimize equipment damage.
• Efficient integration with protection systems: The PT-ready design reduces wiring complexity and improves the accuracy of voltage sensing for relays and meters.
• Flexible installation: Three poles support balanced, multi-phase protection, making it suitable for diverse industrial layouts and panel configurations.
• Maintenance-friendly: Designed for straightforward field servicing and compatibility with standard mounting schemes, helping you lower downtime during inspections or replacements.

Whether you’re upgrading a legacy panel, expanding an existing distribution network, or designing a new control enclosure, the MA3800N 800A 3-Pole 600 V circuit breaker provides a dependable, PT-compatible solution that aligns with practical protection needs and real-world industrial workflows.