Eaton Cutler Hammer ND312T36W 1200A 3-Pole Molded Case Circuit Breaker – Bolt-On Mount – 600VAC

The ND312T36W is a 1200 Ampere, 3-pole molded case circuit breaker with an LSIG (Long, Short, Instantaneous, Ground Fault) electronic non-interchangeable trip unit (Digitrip RMS 310). It provides robust protection against overloads, short circuits, instantaneous faults, and ground faults, making it ideal for industrial and commercial power systems.

Key Features

• Electronic Non-Interchangeable Trip Unit – Digitrip RMS 310
• LSIG Trip Functions:
• • L: Adjustable Long Delay Pickup via rating plug
  • S: Adjustable Short Delay with fixed (l2t) or flat response
  • I: Adjustable Instantaneous Pickup
  • G: Adjustable Ground Fault Pickup with adjustable delay (flat response)
• High interrupting ratings for safe fault clearing
• Bolt-on mounting for secure installation
• Base model image used for identification; accessories ordered with the breaker can be installed at no extra cost

Technical Specifications

• Manufacturer: Eaton / Cutler Hammer
• Frame Style: ND
• Frame Type: N
• Rated Current: 1200 Amperes
• Poles: 3
• Maximum Voltage: 600 VAC
• Frequency: 50/60 Hz
• Interrupting Ratings:
• • 65 kA @ 240 VAC
  • 50 kA @ 480 VAC
  • 25 kA @ 600 VAC
• Standard Lug Type: Not included
• Connection: Bolt-On
• Warranty: One Year

Important Notes

• Rating Plug Required: The breaker will not operate without a rating plug. Confirm availability and pricing before ordering.

• Product image represents the base model only. Accessories ordered with the breaker can be installed to meet your specific configuration needs.

Returns are easy

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

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My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

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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.