Eaton Cutler Hammer HKDDC3300 300A 3-Pole Molded Case Circuit Breaker – Bolt-On Mount – 600VDC
SKU: 22153180937

Eaton Cutler Hammer HKDDC3300 300A 3-Pole Molded Case Circuit Breaker – Bolt-On Mount – 600VDC

Sale price$719.55 Regular price$799.50
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Description

Eaton Cutler Hammer HKDDC3300 300A 3-Pole Molded Case Circuit Breaker – Bolt-On Mount – 600VDCThe Eaton Cutler Hammer HKDDC3300 is a high performance K frame molded case circuit breaker engineered for reliable protection in DC power distribution systems. Designed with a thermal magnetic interchangeable trip unit, this breaker provides dependable overload and short circuit protection while allowing flexible trip adjustment to suit varying load conditions. With a 300 ampere rating at 40C and high interrupting capacity, the HKDDC3300 is suitable

The Eaton Cutler-Hammer HKDDC3300 is a high-performance K-frame molded case circuit breaker engineered for reliable protection in DC power distribution systems. Designed with a thermal-magnetic interchangeable trip unit, this breaker provides dependable overload and short-circuit protection while allowing flexible trip adjustment to suit varying load conditions. With a 300-ampere rating at 40°C and high interrupting capacity, the HKDDC3300 is suitable for demanding industrial and commercial DC applications such as battery systems, renewable energy installations, and DC power distribution panels. Its bolt-on mounting design ensures secure installation, while the standard terminal configuration simplifies wiring and system integration.

Product Specifications

  • Brand: Eaton / Cutler-Hammer
  • Model: HKDDC3300
  • Breaker Type: Molded Case Circuit Breaker (MCCB)
  • Frame Style: HKD (K-Frame)
  • Rated Current: 300 Ampere
  • Number of Poles: 3 Pole
  • Trip Unit Type: Thermal Magnetic Interchangeable Trip Unit
  • Mounting Type: Bolt-On Connection
  • Standard Lug Type: With Terminals Standard
  • Warranty: One Year Manufacturer Warranty

Technical Specifications

  • Frame Type: K-Frame
  • Trip Adjustment Range: Adjustable from 5× to 10× the continuous ampere rating
  • Operating Temperature Reference: 40°C
  • Circuit Protection: Overload and Short Circuit Protection
  • Configuration: DC Rated Circuit Breaker
  • Construction: Molded case insulated housing for durability and electrical safety

Voltage and Ratings

  • Maximum Voltage: 600 VDC
  • Interrupting Rating (1 Pole in Series): 42 kA @ 125 VDC
  • Interrupting Rating (2 Poles in Series): 50 kA @ 250 VDC
  • Interrupting Rating (3 Poles in Series): 42 kA @ 600 VDC
  • Frequency (AC reference rating): 50/60 Hz

xProduct Data

  • Manufacturer: Eaton / Cutler-Hammer
  • Product Series: HKD Series
  • Model Number: HKDDC3300
  • Current Rating: 300A
  • Number of Poles: 3
  • Connection Type: Bolt-On
  • Terminal Type: Standard Terminals Included
  • Application: Industrial DC power distribution and protection systems

Important Note

The product image typically represents a base model for identification purposes only, and the actual configuration may vary depending on installed accessories. If accessories are ordered together with the breaker, they can be installed according to your configuration requirements at no additional cost. Simply include the required configuration details in the order comment section during checkout to ensure proper setup before 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: 22153180937

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EE
Lowell, US
★★★★★ 5
Comfortable, sturdy, waterproof
Size: 9.5, Color: Black/Black
Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.
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Reviewed in the United States on May 17, 2026
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Kate
Boise, US
★★★★★ 5
Super cute, comfortable, practical, love that they are slip on
Size: 10.5, Color: Tobacco/Black
I have worn these 2-3 times already. The first day was a school/work day so I was on my feet 9 hours and the only issue I had was with the side of the boot rubbing against my ankle. I just make sure I wear socks high enough to cover my ankles or jeans that go into the boots now for long wear days. Absolutely love them! They keep my feet dry in this snow( we live in Michigan). I had been looking for a pair like this for awhile now and was getting super frustrated that I couldn't find my size in any that I liked. I saw that they had these available in a 10.5 and I wear 11. I looked at the Sorel website reviews (since the amazon ones weren't super helpful on sizing) and they said that the boots ran big so I took a chance on the 10.5 fitting me. They fit perfect. I have long narrow feet but I could see where they would be tight or uncomfortable on someone with wider feet. I've been trying to find a pair for my mom now since she has boot envy.
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Reviewed in the United States on January 27, 2026
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Nicholle King
Birmingham, US
★★★★★ 5
Worth it.
Size: 8.5, Color: Crushed Clay/Gum 2
Love all my Sorels. These were really cute, good color, comfortable, warm, fit well, good quality and sturdy. I would order again.
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Reviewed in the United States on March 26, 2026
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jmb02129
Draper, US
★★★★★ 5
Fantastic Boots!
Size: 8.5, Color: Redwood/Gum 10
Completely satisfied with these boots. True to size, well made, comfortable from the get-go; not break in needed. Waterproof- really. The Red Suede has withstood a nasty winter season & still looks great. Good traction. I like the ankle height which looks good with long, mid length pants & leggings. I love the easy slip on/off aspect..made getting ready for dog walking easy. I 100%recommend!
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Reviewed in the United States on April 11, 2026
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Paige
Whiting, US
★★★★★ 5
Definitely worth the price
Size: 6.5, Color: Black/Black
Absolutely love these boots! I originally bought them to wear in NYC in December & they did not disappoint. They were comfortable, cute, durable and worked well in the slush/snow. The traction on the bottom is also nice! They kept me warm with wool socks. I wear them almost daily now. Perfect for everyday. easy to wear with variety of outfits. Good every day shoe.
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Reviewed in the United States on January 3, 2026

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