Eaton Cutler Hammer CNDC312T33W 1200A 3 Poles Molded Case Circuit Breaker – Bolt-On Mount – 600VAC

The Eaton / Cutler Hammer CNDC312T33W Molded Case Circuit Breaker is a reliable and high-capacity protection device designed for industrial and commercial power distribution systems. Featuring the CNDC frame style and the advanced Digitrip RMS 310 electronic trip unit, this breaker provides precise circuit protection through Long Delay and Short Delay (LS) trip functions. With a 1200 Ampere rating at 40°C and high interrupting capacity, it is engineered to safeguard electrical systems against overloads and short circuits while ensuring stable performance in demanding environments.

Product Specifications

• Brand: Eaton / Cutler Hammer
• Model: CNDC312T33W
• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Frame Style: CNDC Frame
• Trip Unit: Digitrip RMS 310 Electronic Non-Interchangeable
• Trip Functions: LS (Long Delay, Short Delay)
• Mount Type: Bolt-On
• Rated Current: 1200 Amperes
• Poles: 3 Pole
• Rating Plug: Not Included
• Standard Lug Type: Not Included
• Warranty: 1 Year

Technical Specifications

• Trip Technology: Electronic Trip Unit (Digitrip RMS 310)
• Long Delay Pickup: Adjustable via rating plug
• Short Delay Pickup: Adjustable
• Short Delay Time Options: Fixed delay with I²T response or adjustable delay with flat response
• Frame Temperature Rating: 40°C
• Frame Type: N Frame
• Frequency: 50/60 Hz
• Voltage and Ratings
• Maximum Voltage: 600 VAC
• Frequency Rating: 50/60 Hz
• Interrupting Capacity:
• • 65 kA @ 240 VAC
  • 50 kA @ 480 VAC
  • 25 kA @ 600 VAC

Product Data

• Manufacturer: Eaton / Cutler Hammer
• Product Series: CNDC
• Amperage Rating: 1200 A
• Number of Poles: 3
• Mounting Style: Bolt-On
• Frame Type: N Frame
• Application: Industrial and commercial electrical distribution systems

Important Note

This circuit breaker requires a rating plug to operate, which is not included with the base unit. Please ensure that the appropriate rating plug is selected and installed before use. Product images may represent a standard or base configuration and are intended for identification purposes only. If accessories are purchased along with the breaker, they may be installed prior to shipment according to your specified configuration.

Returns are easy

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

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.