SKU: 4735066724

Square D KC34125 – 125A 480VAC 3‑Pole I‑Line Molded Case Circuit Breaker, KC Frame, Thermal Magnetic, 100kA @240V / 65kA @480V

$1755.00 $1950.00
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Description

Square D KC34125 – 125A 480VAC 3‑Pole I‑Line Molded Case Circuit Breaker, KC Frame, Thermal Magnetic, 100kA @240V / 65kA @480VDescription KC34125 KC34125 is a Square D KC frame molded case circuit breaker rated for 125 amps and 480 VAC. This 3pole breaker uses an I Line style plug on connection for quick and secure installation in Square D I Line panelboards and switchboards. It features a thermal magnetic trip unit with long time and instantaneous (LI) protection for reliable defense against overloads and short circuits. The interrupting capacity varies by system voltage,

Description

KC34125

KC34125 is a Square D KC-frame molded case circuit breaker rated for 125 amps and 480 VAC. This 3‑pole breaker uses an I-Line style plug-on connection for quick and secure installation in Square D I-Line panelboards and switchboards.

It features a thermal magnetic trip unit with long-time and instantaneous (LI) protection for reliable defense against overloads and short circuits. The interrupting capacity varies by system voltage, providing extra-high fault clearing capability for commercial and industrial power distribution systems. Designed for 3‑phase service, the KC34125 is rated for continuous operation at 40 °C ambient temperature and meets UL and CSA certifications.

Interrupting Ratings

  • 100 kA @ 240 VAC – extra-high interrupting capacity at lower voltages

  • 65 kA @ 480 VAC – high interrupting capacity for 480 V systems

  • Not rated @ 600 VAC – KC-series breakers typically do not have a UL listed interrupting rating at 600 V

Key Specifications

  • Manufacturer: Square D

  • Part Number: KC34125

  • Amperage: 125 A

  • Voltage Rating: 480 VAC

  • Poles: 3

  • Frame Type: KC

  • Mounting Type: I-Line Style Plug-On

  • Trip Unit: Thermal Magnetic

  • Trip Functions: LI – Long-Time and Instantaneous

  • Phase: 3

  • Ambient Temperature Rating: 40 °C

  • Certifications: UL, CSA

Specifications

  • Part Number: KC34125

  • Manufacturer: Square D

  • Category: Circuit Breaker

  • Item Subcategory: Molded Case

  • Family: I-Line

  • Type: KC

  • Voltage: 480 VAC

  • Amperage: 125 A

  • Phase: 3

  • Poles: 3

  • AIC Rating: 100 kA @ 240 V / 65 kA @ 480 V

  • Connection: I-Line Style Plug-On

  • Functions: LI – Long-Time and Instantaneous

  • Frame Size: K Frame

  • Temperature Rating: -13 °F to 158 °F (-25 °C to 70 °C)

  • Protection: Thermal Magnetic

Product Data

  • UPC: 785901043508

  • GTIN: 0078590143508

  • Weight: ~10–13 lb

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: 4735066724

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4.5 ★★★★★
Based on 2109 reviews
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Ragdollyanna
Dallas, US
★★★★★ 5
Super impressed by this!
Love this sunscreen and will be reordering it. It’s sheer, light, invisible, gives me the protection I need for my middle aged skin and I can swear my complexion has gotten better since I started using it. I’m super impressed how it’s comparable to more expensive brands in quality without the high price tag. It’s made me start looking into other skin products I can purchase from the Amazon brand.
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Reviewed in the United States on February 3, 2026
J
Verified Purchase
jmatthie
Dallas, US
★★★★★ 5
How is this SO good?
I'm a sunscreen enthusiast. I wear sunscreen every day, and I know how hard it is to find one that is actually pleasant to use. It goes on like a white paste but it quickly blends in to the skin and becomes invisible. There is NO white cast after you rub it in. The initial white color makes it really easy to see where you have applied it. The lotion is very moisturizing but it's also fairly lightweight feeling, and isn't greasy. My skin is usually on the dry side. The smell is nice and neutral, some people might say that it has a bit of a "sunscreen" smell. But the smell is pretty faint and it doesn't linger. I find it to be pleasant, personally. Additionally, I have used this in the water and I find it to offer excellent water resistance even though it doesn't form a heavy-feeling layer on the skin. This is particularly impressive to me. This sunscreen will definitely be a go-to for beach days. It's great for face and body! The one caveat is that it tastes terrible if you get it in your mouth. So I definitely do not recommend eating it, lol. You might have this issue if you're particularly sweaty and the sweat drips down your face. In my experience many sunscreens do this, so I don't consider it to be a big deal. I'd recommend this for anyone looking for cost-effective and lightweight sun protection. It's great on face and body.
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Reviewed in the United States on July 19, 2021
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Verified Purchase
Armando
New York, US
★★★★★ 5
Good product
It’s very comparable to the Neutrogena version. Its light on my face, does not leave a white cast, and doesn’t break me out. The price point is excellent compared to the name brand one. I go walking almost everyday and live in a sunny and hot area where the climate is hot all year round. I haven’t gotten burnt since wearing this sunscreen. Definitely recommend *UPDATE* This sunscreen gave me acne. I rarely breakout and I now have five pimples on my face. I do not recommend!!!
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Reviewed in the United States on November 14, 2024
M
Verified Purchase
mamacholina
San Leandro, US
★★★★★ 3
Burns My Eyes
If your eyes have a sensitivity to sunscreen, they may have a sensitivity to this one. This product made my eyes burn for two days, with multiple washings. I have had problems with La Roche Posay sunscreen — if that is a helpful association. It has dimethicone —a silicone— in it (which might be the irritant). Its common in beauty products but some people avoid it for various reasons. If you have no sensitivities and don’t mind the silicone, then it could be an acceptable option for the value. It went on smooth and light, left no cast, and had a very mild scent. I will use it on my limbs, but I can’t use this on my face.
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Reviewed in the United States on September 15, 2023
C
Verified Purchase
CHERYL
Charlottesville, US
★★★★★ 5
WORKS! LIGHT! EASY TO APPLY AND USE!
Took and trip and knew I would be out in the sun. I know this is for the face, but I used on my arms, legs and face. It is light and easy to apply. Not sticky and heavy as some sunblocks can be. I am very pleased with this purchase/find, as it works well and was a fabulous price for this tube.
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Reviewed in the United States on July 15, 2025

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