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Description
Square D Q4L3400 400A 3-Pole 240V Molded Case Circuit Breaker Thermal Magnetic 25kA@240VProduct Description The Square D Q4L3400 is a 400 Amp, 3 Pole thermal magnetic molded case circuit breaker designed for commercial and industrial power distribution applications. This Q4 frame breaker provides reliable overload and short circuit protection and features line and load side lugs for unit mounted installations. The thermal magnetic trip unit offers dependable circuit protection while maintaining simple operation and maintenance. Key
Product Description
The Square D Q4L3400 is a 400 Amp, 3-Pole thermal magnetic molded case circuit breaker designed for commercial and industrial power distribution applications. This Q4-frame breaker provides reliable overload and short-circuit protection and features line and load side lugs for unit-mounted installations. The thermal magnetic trip unit offers dependable circuit protection while maintaining simple operation and maintenance.
Key Features
- Catalog Number: Q4L3400
- Manufacturer: Square D / Schneider Electric
- Amperage: 400 Amp
- Poles: 3-Pole
- Voltage Rating: 240VAC
- Thermal Magnetic Trip Unit
- Unit Mount Design
- Line & Load Side Lugs
- Push-to-Trip Feature
- Trip Indication Handle
- Feed-Through Construction
- UL 489 Listed
- CSA Certified
- Suitable for Commercial & Industrial Applications
Technical Specifications
- Manufacturer: Square D / Schneider Electric
- Catalog Number: Q4L3400
- Series: Q4
- Frame Type: Q4 Frame
- Amperage: 400A
- Poles: 3
- Voltage: 240VAC
- Frequency: 50/60 Hz
- Trip Technology: Thermal Magnetic
- Trip Functions: LI (Long-Time & Instantaneous)
- Mounting Style: Unit Mount
- Connection Type: Line & Load Lugs
- Interrupting Rating:
- 25kA @ 240VAC
- Operating Temperature Rating: 40°C
- Certifications:
- UL 489 Listed
- CSA Certified
- IEC Certified
Product Data
- Brand: Square D
- Manufacturer: Schneider Electric
- Model: Q4L3400
- Type: Molded Case Circuit Breaker
- Frame Size: Q4 Frame
- Protection Type: Thermal Magnetic
- Mounting: Unit Mount
- Connection: Line & Load Lugs
- Condition: New / Reconditioned
- Phase: 3 Phase
- UPC: 785901649281
- GTIN: 00785901649281
- Dimensions:
- Height: 11.0"
- Width: 6.0"
- Depth: 5.84"
- Weight: Approximately 17 lbs
- Country of Manufacture: Mexico
Compatible Equipment
- Square D PowerPact Q4 Distribution Equipment
- Commercial Switchboards
- Industrial Distribution Panels
- OEM Control Equipment Panels
Interrupting Rating
- 25kA @ 240VAC
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.9 ★★★★★
Based on 1579 reviews
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Product Reviews
★★★★★ 5
Very Nice! For the Price.
Color: Gray, Style: Yoga Mat
Very Nice!, for the price. It’s not as dense as a $50-$80 mat, but it’s $18. Plenty comfortable. My biggest concern was if it would have that cheap China Smell. No chemical smell at all. This mat is quite nice and functional.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Great value, nice and thick
Color: Green, Style: Yoga Mat
This mat is closer to a gym mat than a yoga mat, which was a very pleasant surprise. I just needed something for daily stretching, and this is perfect. Way more plush than a yoga mat, and a lot less expensive than the trendier mat options. Seems to be made well, but only time will tell.
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Reviewed in the United States on March 4, 2026
★★★★★ 5
Soft and cushiony but supportive
Color: Pink Dahlia, Size: 1 inch
Definitely strong cushioned floor mat
Very comfortable to do exercises on knees and back good quality and easy to roll up
Lightweight but strong and dense
I love the pink color too
Highly recommend
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Best mat I have seen in a while.
Color: Blue Mist, Size: 1 inch
I'm glad I bought this it is perfect thickness (very soft and comfortable) and it is easy to store. Easy to pull out and use as well as good quality.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
over 1+ years use and it’s still great quality 😩
Color: Violet Haze, Size: 1 inch
have had this mat since june 2024 and it’s still in amazing quality!! it’s so comfy, thick and soft which is why i bought it. i feel like i could use this thing on a rocky ass ground and i wouldn’t feel anything but squishy-ness lol so protection is so good. the color is still vibrant too (i got the lavender color) which i love!! really makes such a huge difference in my energy when i workout, making me feel like dat gooorl 👏🏼 i’m 5”2’ so there’s ample space for me. definitely slip resistant, im able to perform lunges with one leg on and off. also love the band you can wrap around it so you can transport it anywhere :) just purchased a black one for my hubby which is why i’m here again hehe
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Reviewed in the United States on December 5, 2025