DK3400 - Cutler Hammer 400 Amp 3 Pole 240V/250V Molded Case Circuit Breaker, Series C, DK Frame, Thermal Magnetic Trip, Bolt-On, 65kAIC, UL/CSA Listed

DK3400

DK3400 is a Cutler Hammer molded case circuit breaker designed for reliable branch circuit protection in industrial and commercial applications.

This 3-pole, 400 amp breaker features a DK frame, thermal magnetic trip unit, and is rated for 240V AC/250V DC. It offers a high interrupting capacity of 65kA at 240V AC and is certified for safety and performance. The bolt-on mounting type ensures secure installation in panelboards, switchboards, and motor control centers.

Key Specifications
• Part Number: DK3400
• Manufacturer: Cutler Hammer (Eaton)
• Amperage: 400A
• Voltage: 240V AC / 250V DC
• Poles: 3
• Mounting Type: Bolt-On
• Interrupt Rating: 65kA at 240V AC, 10kA at 250V DC
• Series/Frame: Series C, DK Frame
• Trip Unit: Fixed Thermal Magnetic
• Certifications: UL and CSA Listed
• Connection: Feed-Thru, Line & Load Side Lugs
• Frequency: 50/60 Hz
• Weight: Approx. 13 lbs

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Specifications

• Part Number: DK3400
• Manufacturer : Cutler Hammer
• Brand : Cutler Hammer
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : Series C
• Type : DK
• Voltage : 240
• Amperage : 400
• Phase : 3
• Poles : 3
• AIC rating : 65kA@240V
• Connection : Bolt-On
• Functions : LI - Long-Time and Instantaneous
• Terminal Connection : Line/Load Lug
• Frame Size : 400A/K
• Temp Rating : Minimum Operating Temp -4 Degrees F Max. Operating Temp.158 Degrees F
• MCM Size : Min. Wire Size 400 MCM Max. Wire Size 500 MCM
• Breaker Type : Standard
• Protection : Thermal Magnetic
• Phase Connection : ABC

Product Data

• UPC : 786679044155
• GTIN : 00786679044155
• Country of Origin : Dominican Republic
• Dimensions : 14 in x 6.5 in x 7 in (Length/Depth x Height x Width)
• Weight : 12.6
• Panel Type : Allen Bradley MCC, Eaton MCC Eaton, Rockwell Automation Enclosed Control, Switchboard, Westinghouse
• Standards : CSA Certified, IEC Rated, UL Listed
• Certification : CSA Certified, IEC Rated, UL Listed