Eaton Cutler Hammer NG3700 700A 3-Pole Molded Case Generator Circuit Breaker – Interchangeable Trip Unit – Bolt-On – 600VAC

The Eaton / Cutler Hammer NG3700 is a reliable molded case generator circuit breaker designed to provide efficient protection for generator-powered electrical distribution systems. Built on the robust NG frame platform, it incorporates an electronic interchangeable trip unit with an adjustable trip range of 500–2500 amperes, allowing flexible protection settings to match different generator load requirements.

Rated at 700 amperes at 40°C, this three-pole breaker operates at 600VAC (50/60 Hz) and is engineered for dependable performance in industrial and commercial generator applications. The breaker is supplied with terminals as standard, enabling straightforward installation and secure electrical connections.

Product Specifications

• Manufacturer: Eaton / Cutler Hammer
• Model: NG3700
• 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: With 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 and industrial electrical protection systems

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: With Terminals Standard
• Installation Type: Bolt-On Panel Mount

Important Note

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

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

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