Eaton Series C Complete Molded Case Circuit Breaker – High-Performance Electrical Protection

The Eaton Series C complete molded case circuit breaker is designed for reliable circuit protection in low voltage power distribution systems. Suitable for industrial and commercial applications, this three-pole breaker provides fixed thermal and magnetic trip functions to safeguard equipment and personnel from overloads and short circuits. It is ideal for electrical distributors, lighting solutions, wire and cable, and switchgear suppliers requiring high interrupting capacity and robust protection at 400 amperes.

Specifications

• Manufacturer: Eaton
• Manufacturer Part #: KDB3400KX02Y12
• Amperage: 400 amperes
• Interrupt Rating: 35 kiloamps at 480 Vac
• Voltage Rating: 600 Vac, 250 Vdc
• Poles: Three-pole
• Frame Size: K-frame
• Dimensions (WxHxL): 5.5 in x 5.5 in x 4.1 in
• Product Weight: 11.5 lbs
• Switching Neutral Line: 5/16
• Short-Circuit Current Rating (kAIC): 65 kA at 240 Vac, 35 kA at 480 Vac

Features

• Fixed thermal and fixed magnetic trip for precise overload and short circuit protection
• Molded case switch design for durability and safety
• High interrupting capacity suitable for industrial power distribution
• Compact dimensions facilitate installation in various switchgear and panelboard configurations
• Designed to meet UL 489 standards for molded case circuit breakers

Downloads & Links

• Breaker service centers
• Motor protection circuit breakers product aid
• Series C J-Frame molded case circuit breakers time current curves
• MOEM MCCB product selection guide
• Power metering and monitoring with Modbus RTU product aid
• Current limiting Series C molded case circuit breakers product aid
• Eaton Specification Sheet - KDB3400KX02Y12
• Multi-wire lugs product aid
• Circuit breaker motor operators product aid
• Eatons Volume 4-Circuit Protection
• Series C F-Frame molded case circuit breakers
• Installation Instructions for DK, KDB, KD, HKD, KDC, KW, HKW, KWC, CKD, CHKD Circuit Breakers and Molded Case Switches
• Instruction Leaflet for the KES 310+ Electronic Trip Unit
• Series C G-Frame molded case circuit breakers time current curves
• StrandAble terminals product aid
• Application of Tap Rules to Molded Case Breaker Terminals
• Application of Multi-Wire Terminals for Molded Case Circuit Breakers
• Plug-in adapters for molded case circuit breakers product aid