SKU: 73028838156

Eaton Cutler Hammer CNDC312T32W 1200A 3 Poles Molded Case Circuit Breaker – Bolt-On Mount – 600VAC

$4004.55 $4449.50
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Description

Eaton Cutler Hammer CNDC312T32W 1200A 3 Poles Molded Case Circuit Breaker – Bolt-On Mount – 600VACThe Eaton Cutler Hammer CNDC312T32W Molded Case Circuit Breaker is a high performance power protection device designed for demanding industrial and commercial electrical systems. Built with the CNDC frame style and equipped with the advanced Digitrip RMS 310 electronic trip unit, this breaker provides accurate protection through Long Delay, Short Delay, and Instantaneous (LSI) trip functions. With a 1200 Amp rating at 40C and ultra high interrupting

The Eaton / Cutler Hammer CNDC312T32W Molded Case Circuit Breaker is a high-performance power protection device designed for demanding industrial and commercial electrical systems. Built with the CNDC frame style and equipped with the advanced Digitrip RMS 310 electronic trip unit, this breaker provides accurate protection through Long Delay, Short Delay, and Instantaneous (LSI) trip functions. With a 1200 Amp rating at 40°C and ultra-high interrupting capacity, it is engineered to protect electrical circuits from overloads, short circuits, and faults while ensuring reliable operation in heavy-duty power distribution environments.

Product Specifications

  • Brand: Eaton / Cutler Hammer
  • Model: CNDC312T32W
  • Breaker Type: Molded Case Circuit Breaker (MCCB)
  • Frame Style: CNDC Frame
  • Trip Unit: Digitrip RMS 310 Electronic Non-Interchangeable
  • Trip Functions: LSI (Long Delay, Short Delay, Instantaneous)
  • 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 with fixed or adjustable delay time
  • Short Delay Response: I²T (inverse time) or flat response
  • Instantaneous Pickup: Adjustable by setting short delay to instantaneous
  • Frame Temperature Rating: 40°C
  • Frequency: 50/60 Hz
  • Frame Type: N Frame

Voltage and Ratings

  • Maximum Voltage: 600 VAC
  • Frequency Rating: 50/60 Hz
  • Interrupting Capacity:
    • 200 kA @ 240 VAC
    • 100 kA @ 480 VAC
    • 50 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
  • Interrupting Capacity: Ultra High
  • Application: Industrial and commercial power 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 base configuration and are provided for identification purposes only. If accessories are ordered with the breaker, they can typically be installed to match your required configuration prior to shipment.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73028838156

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4.3 ★★★★★
Based on 2262 reviews
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Verified Purchase
David L
Dallas, US
★★★★★ 5
Looks great
Looks great and holds a lot, easy to put together and install,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
W
Whatcom Rider
Chelsea, US
★★★★★ 5
These are real nice looking industrial look, but bear in mind, they don't come with the shelves
First, understand that you only get the structure, not the actual shelves. The structure is decorative, industrial. piping, which looks really cool., especially in my utility room. I'm gonna get some hardwood for the shelving, so I don't have a picture yet, but I will as soon as I get that. The frame is very stable and strong. So thumbs up on the stability, structure and quality. The directions are straightforward, and all the parts are there. It looks real nice in my utility room and will look real cool when I've got the shelving on there. It's definitely a good value for your money if you need more storage shelving.
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Reviewed in the United States on May 3, 2026
T
Teresa
Waukegan, US
★★★★★ 5
Perfect companion to other HBLYJS bracket systems — great aesthetic, versatility and functionality
I’m already a fan of the HBLYJS wall bracket system that I used in my daughter’s room, so I wanted to try this floor-to-ceiling option from the same brand for a slightly different look. The two coordinate perfectly — same black iron finish, same industrial-farmhouse aesthetic — and provided nice cohesion. What makes this system stand out is the flexibility in how you mount it. You can rest the uprights on the floor or hang them from the ceiling depending on your space and what works best structurally. That's a rare option and makes it easy to fit into rooms where a standard wall-mount wouldn't work as cleanly. I chose to hang them from the ceiling, because I personally love that look. Just make sure you mount these into studs! Like the bracket set, planks aren't included, but picking your own wood lets you match stain color and cut boards to the exact length you need. The heavy-duty pipe construction feels solid and the vertical design makes great use of wall space without eating into floor space. I definitely recommend the HBLYJS wall bracket systems for the great aesthetic, storage, versatility and functionality they provide. I will likely be buying a few more sets soon.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
G
George W.
Lake Worth, US
★★★★★ 4
HBLYJS Industrial Pipe Shelving System
This shelving system gave my room a cool industrial look. The metal brackets feel heavy-duty and very stable. Installation took a little time but wasn’t difficult. I like that I can choose my own wood planks for customization. It holds a good amount of weight without sagging. The black iron finish looks great against the wall. This was a solid DIY upgrade for my space.
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Reviewed in the United States on February 8, 2026
R
Rob Ross
Alexandria, US
★★★★★ 5
Easy storage, good holding power
This industrial pipe shelving system is a very nice way to add DIY storage to any room. The parts come well protected and are easy to assemble. They come with all the hardware one needs to install, though I used my own wall anchors because I like the ones I use and I know they work very well. I also decided in the end not to use the support legs because they would have had the shelves too low when mounted from the ceiling. Instead, I took those off and flipped the frames over so nothing would get in there, and I'll probably get nipples and caps from the hardware store to finish off the bottoms. The frames are finished in black, and resemble old galvanized gas pipes. As previously mentioned, assembly is easy enough and they accommodate whatever width of shelf you want to put up, within a reasonable limit. I used 36" shelves because that's the space I had to work with. The fact that each flange has three screws, assuming this is installed correctly, it should be rock-solid. I know mine is. I installed this in our laundry room / craft room in order to get more storage space, because it is so very busy in there. Given one could purchase the parts needed to build one of these for less, it's still a good value for the money because then after you buy those parts you have to clean and paint them, as well as prepare the boards. All I had to do was assemble these, and then prepare the boards, which made my life easier and the time saved was well worth the little extra. They also look fantastic with natural-colored oiled pine. I recommend these racks for their aesthetic, ascetic appearance, and their ability to hold a good amount of weight and storage, and not to mention if they're installed like mine, they will hold rolled leather hides like nobody's business.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026

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