Eaton Cutler-Hammer E2N312MW 1200A 3P Mining MCCB – Bolt On – 600VAC

The Eaton E2N312MW is a rugged molded case mining circuit breaker (MCCB) designed for high-demand industrial and mining applications. Built on the durable E2N frame, this breaker features a non-interchangeable magnetic-only trip unit, providing fast and reliable short-circuit protection without thermal overload protection. Rated at 1200 amperes, it is well-suited for applications where instantaneous fault protection is critical. With high interrupting capacity and robust construction, it ensures dependable performance in harsh operating environments.

Product Specifications

• Brand: Eaton / Cutler Hammer
• Model: E2N312MW
• Rated Current: 1200A
• Number of Poles: 3 Pole
• Breaker Type: Molded Case Mining Circuit Breaker (MCCB)
• Trip Unit: Magnetic-Only (Non-Interchangeable)
• Mounting Type: Bolt-On
• Frequency: 50/60 Hz
• Frame Type: N

Technical Specifications

• Trip Setting: 1250–5000
• Trip Function: Instantaneous (Magnetic-Only Protection)
• Connection Type: Bolt-On
• Designed for applications requiring fast short-circuit interruption
• Suitable for heavy-duty mining and industrial systems

Voltage and Ratings

• Rated Operational Voltage: 600VAC
• Interrupting Capacity:
• • 65 kA @ 240VAC
  • 50 kA @ 480VAC
  • 25 kA @ 600VAC

Product Data

• Application: Mining and industrial power distribution
• Standard Compliance: Industry-standard MCCB requirements
• Warranty: 1 Year
• Lug Type: Standard Lug
• Installation: Panel-mounted, bolt-on connection

Important Note

This breaker utilizes a magnetic-only trip unit and does not provide thermal overload protection; ensure it is applied in systems where external overload protection is provided. Product images are for identification purposes only and may not reflect the exact configuration. Accessories ordered with the breaker can be installed prior to shipment at no additional cost—please provide complete configuration details during checkout. Installation must be performed by qualified personnel in accordance with all applicable electrical codes and safety standards.

Returns are easy

You may return items within 10 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.