Eaton Cutler Hammer MDLB3350 350A 3 Poles Molded Case Circuit Breaker – Bolt On – 600VAC

The Eaton Cutler-Hammer MDLB3350 molded case circuit breaker is engineered to provide dependable protection for industrial and commercial electrical distribution systems. Designed with the MDLB frame style and a thermal magnetic non-interchangeable trip unit, this breaker effectively protects circuits from overload and short-circuit conditions. With a continuous current rating of 350 amperes at 40°C and a 3-pole configuration, it supports AC voltages up to 600VAC and DC applications up to 250VDC. Its bolt-on mounting design allows secure installation in compatible panelboards and switchgear, while the rugged molded case construction ensures long-lasting reliability in demanding electrical environments.

Product Specifications

• Brand: Eaton / Cutler-Hammer
• Model: MDLB3350
• Breaker Type: Molded Case Circuit Breaker
• Frame Type: MDLB (M Frame Style)
• Trip Unit Type: Thermal Magnetic Non-Interchangeable Trip
• Amperage Rating: 350 Ampere
• Number of Poles: 3 Pole
• Mounting Type: Bolt-On
• Frequency: 50/60 Hz
• Standard Lug Type: Not Included / Configurable

Technical Specifications

• Thermal magnetic trip mechanism for reliable overload and short-circuit protection
• Non-interchangeable trip unit with fixed protection settings
• Heavy-duty molded case construction for durability in industrial environments
• Designed for both AC and limited DC power applications
• High interrupting capacity for enhanced fault protection
• Suitable for commercial and industrial power distribution systems

Voltage and Ratings

• Maximum AC Voltage: 600 VAC
• Maximum DC Voltage: 250 VDC
• Interrupting Capacity:
• • 65 kA @ 240 VAC
  • 50 kA @ 480 VAC
  • 25 kA @ 600 VAC
  • 22 kA @ 250 VDC
• Trip Setting: 5–10 times the continuous ampere rating

Product Data

• Manufacturer: Eaton / Cutler-Hammer
• Product Series: MDLB Frame Series
• Configuration: Molded Case Circuit Breaker
• Connection Type: Bolt-On
• Warranty: 1 Year
• Application: Industrial power distribution, panelboard protection, and heavy-duty electrical circuit protection

Important Note

The product image shown represents a base model and is provided for identification purposes only. If accessories are purchased along with the breaker, they can be installed to meet your specific configuration requirements at no additional cost. Please include the necessary configuration details in the order comment box during checkout to ensure accurate assembly and delivery.

Returns are easy

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

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