SKU: 13215153976

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

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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: 13215153976

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4.5 ★★★★★
Based on 15 reviews
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M
Verified Purchase
Michael
Massapequa, US
★★★★★ 5
Grub for a good price you wont be disappointed
**Works wonderfully with Apple devices** Plugged the hub into an M2 MacBook Air and everything was recognized instantly: the 4K @ 60 Hz HDMI output displayed crisp colors, the 100 W PD pass‑through kept the laptop charged at full speed, and the SD/TF slots read cards without any lag. The same seamless experience repeated on an iPad Pro 2024, proving the hub s broad Apple compatibility. **Good flexible cables & build** The included 1 m USB‑C cable is surprisingly supple; it doesn t kink when you bend the hub around a laptop stand, and the strain‑relief sleeve prevents the connector from pulling out. The hub s aluminum body feels solid yet lightweight, and the rounded edges match Apple s design language, giving it a premium look that blends nicely on a desk. **Ethernet port performance** The Gigabit Ethernet port delivers stable, low‑latency connections even when the hub is powering the laptop at 100 W. It s a reliable fallback for Wi‑Fi‑poor environments **Overall impression** The Revodok 7‑in‑1 hub hits the sweet spot between functionality and aesthetics. It provides everything a Mac‑centric workflow needs high‑resolution HDMI, fast data ports, card readers, and robust Ethernet while looking like an extension of Apple s own product line. For anyone juggling multiple peripherals on a MacBook, iPad, or even a Steam Deck, it s a solid, hassle‑free solution.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 20, 2025
E
Verified Purchase
Emily G
Houston, US
★★★★★ 5
Reliable Dongle
Works well! Very helpful for work and has all the connector ports I need. Never have trouble connecting with this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
A
Verified Purchase
Austin DeFord
Fort Morgan, US
★★★★★ 4
Works perfectly aside from how hot it gets
The ability to add more ports to my different devices has been very helpful. I’ve tested it on my tablet, phone, desktop, and laptop and it’s worked exactly how I needed to. The only issue I’ve had with it is how hot it gets when using it especially when it’s using pass through charging. It will get noticeably hot when you touch it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
T
Verified Purchase
Tommy
Lowell, US
★★★★★ 5
Worked great (quick test)
Just got this and did a quick test on both steam deck and Nintendo switch and it worked great I first plugged in Ethernet and then added HDMI and then power On the steam deck all three worked as they were plugged in On the switch nothing worked until the power was plugged in, then everything worked, this is expected for hdmi but it seems like Ethernet should have worked in isolation. I unplugged hdmi and then power and as soon as power was disconnected so was the internet connection. This is trivial and maybe expected but I figured it was worth noting
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
M
Verified Purchase
Martín Fortain
Lexington, US
★★★★★ 5
Lo vale
De 10, su calidad de construccion, cable, ranuras, todo barbaro. Lo vale, esta marca nunca falla. Ademas lo uso en mi mac que tiene la porqueria de solamente 2 puertos usb-c, asi que uso siempre el hub.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026

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