SKU: 91862354022

Eaton Cutler Hammer MDLB3800T33W 800A 3 Poles Molded Case Circuit Breaker – Bolt On – 600VAC

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Description

Eaton Cutler Hammer MDLB3800T33W 800A 3 Poles Molded Case Circuit Breaker – Bolt On – 600VACThe Eaton Cutler Hammer MDLB3800T33W molded case circuit breaker is designed for reliable protection in industrial and commercial power distribution systems. Built with the MDLB frame style and equipped with an LS (Long Time and Short Time) non interchangeable trip unit, this breaker offers advanced protection against overload and short circuit conditions. Rated for a maximum of 800 amperes at 40C with a 3 pole configuration, it supports electrical

The Eaton Cutler-Hammer MDLB3800T33W molded case circuit breaker is designed for reliable protection in industrial and commercial power distribution systems. Built with the MDLB frame style and equipped with an LS (Long-Time and Short-Time) non-interchangeable trip unit, this breaker offers advanced protection against overload and short-circuit conditions. Rated for a maximum of 800 amperes at 40°C with a 3-pole configuration, it supports electrical systems operating up to 600VAC at 50/60Hz and is suitable for reverse feed applications. Its bolt-on mounting design ensures secure installation in panelboards and switchgear, making it an effective solution for demanding electrical protection requirements.

Product Specifications

  • Brand: Eaton / Cutler-Hammer
  • Model: MDLB3800T33W
  • Breaker Type: Molded Case Circuit Breaker
  • Frame Type: MDLB (M Frame Style)
  • Trip Unit Type: LS Non-Interchangeable Trip Unit
  • Maximum Amperage Rating: 800 Ampere
  • Number of Poles: 3 Pole
  • Mounting Type: Bolt-On
  • Frequency: 50/60 Hz
  • Reverse Feed Capability: Suitable for Reverse Feed Applications
  • Standard Lug Type: Not Included / Configurable

Technical Specifications

  • LS trip unit providing Long Delay and Short Delay protection functions
  • Adjustable long delay pickup controlled through an adjustable rating plug
  • Adjustable short delay pickup with I²t response or flat response time characteristics
  • Designed for high-performance circuit protection in industrial environments
  • Durable molded case construction for long operational life
  • Engineered for reliable performance in heavy-duty electrical distribution systems

Voltage and Ratings

  • Maximum AC Voltage: 600 VAC
  • Interrupting Capacity:
    • 65 kA @ 240 VAC
    • 50 kA @ 480 VAC
    • 25 kA @ 600 VAC
  • Trip Setting: Adjustable 5–10 times the continuous ampere rating
  • Maximum Continuous Current: 800A at 40°C

Product Data

  • Manufacturer: Eaton / Cutler-Hammer
  • Product Series: MDLB Frame Series
  • Configuration: Molded Case Circuit Breaker with LS Trip Unit
  • Connection Type: Bolt-On
  • Warranty: 1 Year
  • Application: Industrial power distribution, switchgear systems, and electrical protection requiring adjustable long and short delay trip settings

Important Note

This breaker requires a rating plug in order to operate, and the rating plug is not included with the unit. Please contact us to confirm stock availability and pricing if you require a rating plug to be installed before ordering. The product image shown represents a base model for identification purposes only. Accessories ordered with the breaker can be installed at no additional cost—simply provide your configuration requirements in the order comments during checkout.

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: 91862354022

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Amazon Customer
San Leandro, US
★★★★★ 5
Son loves them!
Size: Large, Color: Black (6-pairs), Number of Items: 6
My son loves these socks! Comfy, good quality.
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Reviewed in the United States on May 20, 2026
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Tori M
Los Angeles, US
★★★★★ 5
Good fabric
Size: Medium, Color: White, Number of Items: 6
Nice socks. Would buy again.
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Reviewed in the United States on March 23, 2026
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Sarge Howell
Phoenix, US
★★★★★ 4
Quality and durable socks
Size: Large, Color: White (6-pairs), Number of Items: 6
Great quality socks. This pack was a lot taller on the cuff and bigger than previous batches I have had. Not sure what the change was, but giving it 4 instead of 5 because I preferred the smaller shorter ones they previously made. But these are great quality socks, and last a long time.
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Reviewed in the United States on February 8, 2026
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Rafael Mota
Port Orchard, US
★★★★★ 5
A Game-Changer for Comfort
Size: Medium, Color: Black, Number of Items: 6
I recently upgraded my workout gear with the Under Armour Training Cotton Quarter Socks, and I must say, these socks have revolutionized my exercise experience. Comfortable, durable, and stylish, they truly stand out in the crowded world of athletic socks. First and foremost, the comfort level of these socks is unparalleled. The blend of cotton and synthetic materials provides a soft and plush feel against my feet, making every step a pleasure. The quarter length strikes the perfect balance, offering ample coverage without being too restrictive or too short. It's like walking on clouds, even during the most intense workouts. One of the standout features is the moisture-wicking technology. I've worn these socks during high-intensity cardio sessions, and they have consistently kept my feet dry and comfortable. The breathability is remarkable, preventing that uncomfortable feeling of sweaty feet that often accompanies strenuous workouts. No more distractions – just focus on pushing through your fitness routine. Durability is another strong suit of these socks. After numerous washes, they maintain their shape and elasticity, showing no signs of wear and tear. The reinforced heel and toe areas provide extra support, ensuring longevity and preventing the dreaded sock holes that often plague other brands. The sleek design of the Under Armour Training Cotton Quarter Socks adds a touch of style to my workout attire. The subtle logo and choice of colors make them versatile enough to pair with any athletic shoes. Whether you're hitting the gym, going for a run, or simply running errands, these socks seamlessly blend fashion with function. In terms of sizing, I found that they fit true to size. The elastic band around the arch provides a snug yet comfortable fit, ensuring that the socks stay in place throughout any activity. While the price point may be slightly higher than some other options on the market, the quality and performance of the Under Armour Training Cotton Quarter Socks more than justify the investment. When it comes to comfort, durability, and style, these socks have become an indispensable part of my workout wardrobe.
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Reviewed in the United States on January 3, 2024
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Shayla Garrison
Phoenix, US
★★★★★ 5
good medium rise sock
Size: Large, Color: Black (6-pairs), Number of Items: 6
love a good under armour sock!
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Reviewed in the United States on June 2, 2026

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