Eaton Cutler Hammer NG31000 1000A 3-Pole Molded Case Generator Circuit Breaker – Interchangeable Trip Unit – Bolt-On – 600VAC

The Eaton / Cutler Hammer NG31000 is a high-performance generator circuit breaker designed for protecting generator systems in industrial and commercial applications. It features a molded case NG frame and an electronic interchangeable trip unit with a broad trip range of 1250–5000, providing flexible protection for variable generator loads. Rated at 1000 Amperes, this 3-pole breaker delivers reliable operation at 600VAC with built-in terminals for easy connection.

Product Specifications

• Brand: Eaton / Cutler Hammer
• Model: NG31000
• Product Type: Generator Molded Case Circuit Breaker
• Frame Style: NG
• Frame Type: N
• Rated Current: 1000 Amperes
• Number of Poles: 3
• Mounting Type: Bolt-On
• Trip Unit Type: Electronic Interchangeable
• Trip Range: 1250–5000 Amperes
• Operating Temperature: 40°C
• Frequency: 50/60 Hz
• Standard Lug Type: With Terminals Standard
• Warranty: One Year

Voltage and Ratings

• Maximum Voltage: 600 VAC

• Interrupting Ratings:

  • 18 kA @ 240 VAC
  • 14 kA @ 480 VAC
  • 10 kA @ 600 VAC

Important Note

Product images represent the base model for identification purposes. Accessories ordered with the breaker can be installed to meet your configuration at no additional cost if specified in the order comment box. This breaker comes with terminals standard for immediate installation.

Returns are easy

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

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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.