Eaton Cutler Hammer E2M3800MNWA13U66 800A 3 Pole Molded Case Mining Circuit Breaker – Bolt On – 600VAC

The Eaton Cutler Hammer E2M3800MNWA13U66 is a high-capacity molded case mining circuit breaker designed for demanding industrial and mining power distribution systems. Rated at 800 amps with a 3-pole configuration, it features an interchangeable magnetic-only trip unit that delivers fast instantaneous short-circuit protection, typically used with external overload protection systems. This model combines the A13 auxiliary switch option for open/closed status indication with the U66 undervoltage release equipped with LED indication for enhanced operational safety and automatic trip functionality during voltage loss conditions. Its robust construction and bolt-on mounting design make it suitable for harsh environments and critical power applications up to 600VAC.

Product Specifications

• Brand: Eaton / Cutler Hammer
• Model Number: E2M3800MNWA13U66
• Amperage: 800 Amp
• Number of Poles: 3 Pole
• Breaker Type: Molded Case Mining Circuit Breaker
• Mount Type: Bolt On
• Frame Style: E2M / M Frame
• Trip Unit Type: Interchangeable Magnetic Only
• Frequency: 50/60 Hz
• Configuration: A13 + U66 Factory Options
• Standard Lug Type: Without Terminals Standard

Technical Specifications

• Magnetic-only trip unit for instantaneous short-circuit protection
• Designed for use with external overload protection systems
• Heavy-duty molded case construction for mining and industrial duty
• Bolt-on mounting for secure installation
• Operating temperature rating: 40°C
• Trip Setting Range: 1500 – 3000
• A13 Option Includes: 2-A (Open) / 2-B (Closed) Auxiliary Switches
• A13 Mounting Position: Right Pole Mounted
• A13 Wiring Exit: Rear
• U66 Option Includes: 120 VAC Undervoltage Release (UVR)
• U66 Includes LED Indicator
• U66 Mounting Position: Left Pole Mounted
• U66 Wiring Exit: Rear

Voltage and Ratings

• Maximum Voltage: 600 VAC
• Rated Current: 800 Amp
• Interrupting Capacity: 65 kA @ 240VAC
• Interrupting Capacity: 35 / 50 kA @ 480VAC
• Interrupting Capacity: 25 kA @ 600VAC
• Interrupting Capacity: 22 kA @ 250VDC
• Frequency Rating: 50/60 Hz
• UVR Control Voltage: 120 VAC

Product Data

• Condition: New / Surplus / Reconditioned (subject to availability)
• Warranty: 1 Year
• Product Category: Industrial Circuit Breaker
• Suitable Applications: Mining Systems, Industrial Distribution, Motor Circuits, Heavy-Duty Feeders, Critical Power Protection
• Manufacturer Series: Eaton E2M Series
• Connection Type: Bolt On
• Installed Accessories: Auxiliary Switch + Undervoltage Release with LED
• Lug Type: Without Terminals Standard

Important Note

Product image may represent a standard base model and is for identification purposes only. This unit includes factory-installed A13 and U66 accessory options and uses a magnetic-only trip system. Always confirm coordination requirements, external overload protection, voltage rating, and accessory compatibility before purchase or installation.

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You may return items within 30 days of delivery for a refund.

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