Eaton LZMN4-AE1250-I Circuit Breaker, 3-Pole, 1250A, 50kA

The Eaton LZMN4-AE1250-I is a high-performance 3-pole molded case circuit breaker engineered for reliable electrical distribution and comprehensive circuit protection. Designed to handle demanding industrial and commercial power systems, this device provides a robust solution for managing high-current loads while ensuring operational safety and system integrity. Its durable construction and precise tripping mechanisms make it a dependable choice for critical infrastructure where consistent power delivery is essential.

Advantages

This circuit breaker offers exceptional reliability through its advanced design, which effectively mitigates the risks associated with electrical faults. By providing consistent protection against overloads and short circuits, it helps prevent equipment damage and minimizes downtime in complex power distribution networks. The unit is built to withstand rigorous operational conditions, ensuring long-term performance and stability in high-demand environments.

Suitable for

• Industrial power distribution systems
• Commercial building electrical infrastructure
• Large-scale manufacturing facilities
• Main power supply protection

This device may not be suitable for residential applications or low-voltage circuits where the rated current and breaking capacity significantly exceed the requirements of the installation. It is specifically designed for heavy-duty industrial and commercial use and may be oversized or incompatible with standard household electrical panels.

Key specifications

• Number of poles: 3
• Rated current: 1250A
• Breaking capacity: 50kA
• Design: Molded case circuit breaker

The circuit breaker should be installed by a qualified professional in accordance with local electrical codes and safety regulations. It is typically mounted within a compatible switchgear enclosure or distribution board. Ensure that all terminal connections are tightened to the specified torque settings to prevent overheating and ensure optimal electrical contact during operation.

What to consider before purchase

• Verify that the 1250A current rating matches your system requirements
• Ensure the 50kA breaking capacity is sufficient for your short-circuit current levels
• Confirm compatibility with your existing switchgear or enclosure dimensions
• Check that the 3-pole configuration aligns with your power distribution layout

Usage recommendations: Regularly inspect the circuit breaker for signs of wear or thermal stress. Perform periodic maintenance and testing as recommended by the manufacturer to ensure the tripping mechanism remains functional and reliable over the lifespan of the device.