Eaton Cutler Hammer NG3700W 700A 3-Pole Molded Case Generator Circuit Breaker – Interchangeable Trip Unit – Bolt-On – 600VAC

The Eaton / Cutler Hammer NG3700W is a durable molded case generator circuit breaker designed to provide reliable protection for generator-based electrical distribution systems. Built on the rugged NG frame platform, this breaker features an electronic interchangeable trip unit with an adjustable trip range of 500–2500 amperes, enabling flexible protection settings for varying generator load conditions.

Rated at 700 amperes at 40°C, this three-pole circuit breaker operates at 600VAC (50/60 Hz) and is suitable for demanding industrial and commercial generator installations. The NG3700W model is supplied without terminals as standard, allowing installers to configure terminal connections according to specific installation requirements.

Product Specifications

• Manufacturer: Eaton / Cutler Hammer
• Model: NG3700W
• Breaker Type: Molded Case Generator Circuit Breaker
• Frame Style: NG Frame
• Frame Type: N
• Rated Current: 700 Amperes
• Number of Poles: 3 Pole
• Trip Unit Type: Electronic Interchangeable Trip Unit
• Trip Range: 500 – 2500 A
• Connection Type: Bolt-On
• Operating Frequency: 50/60 Hz
• Standard Lug Type: Without Terminals Standard
• Warranty: One Year

Technical Specifications

• Circuit Breaker Category: Generator Protection Breaker
• Mounting Method: Bolt-On Installation
• Trip Technology: Electronic Interchangeable Protection System
• Operating Temperature Rating: 40°C
• Frame Construction: NG Series Molded Case Design
• Application: Generator distribution systems and industrial electrical protection

Voltage and Ratings

• Maximum Operating Voltage: 600 VAC
• Interrupting Capacity:
• • 18 kA @ 240 VAC
  • 14 kA @ 480 VAC
  • 10 kA @ 600 VAC

Product Data

• Product Series: Eaton NG Generator Breaker Series
• Rated Current: 700 A
• Phase Compatibility: Three-Phase Systems
• Electrical Frequency: 50/60 Hz
• Terminal Configuration: Without Terminals (Field Configurable)
• Installation Type: Bolt-On Panel Mount

Important Note

The product image shown represents a base model for identification purposes only and may not reflect the exact configuration supplied. If accessories or additional components are ordered together with the breaker, they can be installed to match your required configuration at no additional cost. Please include the necessary installation details in the order comment section during checkout to ensure the breaker is configured correctly before shipment.

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

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