Square D KC34175 – 175A 480VAC 3‑Pole I‑Line Molded Case Circuit Breaker, KC Frame, Thermal Magnetic, 100kA @240V / 65kA @480V

Description

KC34175

KC34175 is a Square D KC-frame molded case circuit breaker rated for 175 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, making it suitable for commercial and industrial power distribution. The breaker 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 does not have a UL listed interrupting rating at 600 VAC

Key Specifications

• Manufacturer: Square D

• Part Number: KC34175

• Amperage: 175 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: KC34175

• Manufacturer: Square D

• Category: Circuit Breaker

• Item Subcategory: Molded Case

• Family: I-Line

• Type: KC

• Voltage: 480 VAC

• Amperage: 175 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: 785901255604

• GTIN: 00785901255604

• Weight: ~13 lb

Returns are easy

You may return items within 30 days of delivery for a refund.

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