Eaton Cutler Hammer HND312T36W 1200A 3 Poles Molded Case Circuit Breaker – Bolt-On Mount – 600VAC

The Eaton / Cutler Hammer HND312T36W is a high-performance molded case circuit breaker designed to provide comprehensive electrical protection in industrial and commercial systems. Featuring the HND frame style with an electronic non-interchangeable Digitrip RMS 310 trip unit, it supports LSIG (Long, Short, Instantaneous, Ground Fault) functions to safeguard against overloads, short circuits, instantaneous faults, and ground faults. Rated for 1200 Amperes at 40°C, this breaker combines reliability and high interrupting capacity to ensure operational safety and efficiency.

Product Specifications

• Brand: Eaton / Cutler Hammer
• Model: HND312T36W
• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Frame Style: HND Frame
• Trip Unit: Digitrip RMS 310 Electronic Non-Interchangeable
• Trip Functions: LSIG (Long Delay, Short Delay, Instantaneous, Ground Fault)
• Mount Type: Bolt-On
• Rated Current: 1200 Amperes
• Poles: 3
• 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 (L): Adjustable via rating plug
• Short Delay Pickup (S): Adjustable with fixed or selectable delay time
• Instantaneous Pickup (I): Adjustable via short delay time setting
• Ground Fault Pickup (G): Adjustable pickup and delay
• 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:
• • 100 kA @ 240 VAC
  • 65 kA @ 480 VAC
  • 35 kA @ 600 VAC

Product Data

• Manufacturer: Eaton / Cutler Hammer
• Product Series: HND
• Amperage Rating: 1200 A
• Number of Poles: 3
• Mounting Style: Bolt-On
• Frame Type: N Frame
• Application: Industrial and commercial power distribution with LSIG protection

Important Note

This unit requires a rating plug for proper operation, which is not included. Correct installation of the rating plug is essential to ensure full protection. Product images represent the base model for identification purposes only. Accessories purchased with the breaker can be pre-installed at no additional cost—please provide configuration details in the order comment box during checkout.

Returns are easy

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

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