Eaton Cutler Hammer E2M3800MPWA13U66 800A 3 Pole Molded Case Mining Circuit Breaker – Bolt On – 600VAC

The Eaton Cutler Hammer E2M3800MPWA13U66 is a heavy-duty 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 provides instantaneous short-circuit protection in systems where overload protection is managed externally. This model includes the A13 auxiliary switch package for breaker status indication and the U66 undervoltage release with LED indicator for enhanced safety during low-voltage conditions. With rugged molded case construction and secure bolt-on mounting, this breaker is engineered for reliable service in harsh environments up to 600VAC.

Product Specifications

• Brand: Eaton / Cutler Hammer
• Model Number: E2M3800MPWA13U66
• 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 Installed Options
• Standard Lug Type: Without Terminals Standard

Technical Specifications

• Magnetic-only trip unit for instantaneous short-circuit protection
• Requires separate overload protection depending on application design
• Heavy-duty molded case construction for mining and industrial service
• Bolt-on mounting for secure installation
• Operating temperature rating: 40°C
• Trip Setting Range: 2500 – 5000
• 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 Panels, 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 requiring external overload protection depending on application design. Always verify coordination requirements, voltage rating, accessory compatibility, and installation suitability before purchase or use.