Eaton Cutler Hammer Mining E2N310WU66 1000A 3P Mining MCCB – Bolt On – 600VAC

The Eaton E2N310WU66 is a heavy-duty molded case mining circuit breaker (MCCB) designed for reliable performance in industrial and mining environments. Built on the robust E2N frame, it features a non-interchangeable thermal-magnetic trip unit that provides dependable protection against overloads and short circuits. With a 1000 ampere rating and high interrupting capacity, this breaker is ideal for critical power distribution systems. The integrated U66 under-voltage release (UVR) with LED indication enhances operational safety and monitoring by automatically disconnecting the circuit during low voltage conditions.

Product Specifications

• Brand: Eaton / Cutler Hammer
• Model: E2N310WU66
• Rated Current: 1000A
• Number of Poles: 3 Pole
• Breaker Type: Molded Case Mining Circuit Breaker (MCCB)
• Trip Unit: Thermal-Magnetic (Non-Interchangeable)
• Mounting Type: Bolt-On
• Frequency: 50/60 Hz
• Frame Type: N
• Configuration: U66 UVR with LED

Technical Specifications

• Trip Setting: 1250–5000
• Under Voltage Release (U66):
• • 120 VAC UVR with LED Indicator
  • Left Pole Mounted
  • Rear Exit
• Connection Type: Bolt-On
• Designed for rugged mining and industrial environments

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 circuit breaker includes a factory-installed under-voltage release (UVR) with LED indicator; verify compatibility with your system voltage requirements before installation. Product images are for identification purposes only and may not represent 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 carried out 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.

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