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The EATON KDC3400F is a Series C K-frame molded case circuit breaker designed for high-capacity industrial and commercial applications. Featuring fixed thermal and magnetic trip elements, this 3-pole breaker frame provides robust protection for 400A circuits up to 600V AC or 250V DC. With high interrupting ratings of 200 kAIC at 240V AC and 100 kAIC at 480V AC, it ensures reliable short-circuit and overload protection. Compact yet durable, it is ideal for integration into panelboards, switchgear, and industrial control systems.
| Specification | Value |
|---|---|
| Catalog Number | KDC3400F |
| Series | Series C |
| Frame Type | K-Frame |
| Circuit Breaker Type | KDC |
| Breaker Configuration | Frame Only |
| Amperage Rating | 400 A |
| Voltage Rating | 600 VAC, 250 VDC |
| Number of Poles | 3-Pole |
| Trip Type | Fixed Thermal, Fixed Magnetic (T186) |
| Frequency Rating | 50–60 Hz |
| Interrupting Rating | 200 kAIC at 240 VAC, 100 kAIC at 480 VAC |
| Product Dimensions | 4.1 in × 5.5 in × 5.5 in |
| Product Weight | 9.85 lb |
| Certifications | UL Listed |
| Warranty | Eaton Selling Policy 25-000: 1 year from installation or 18 months from shipment |
| Product Type | Molded Case Circuit Breaker |
| Application | Panelboards, switchgear, industrial control systems |
| Feature | Benefit |
|---|---|
| Series C K-Frame Design | Provides high-capacity circuit protection for industrial and commercial applications |
| Fixed Thermal & Magnetic Trip | Reliable protection against overloads and short-circuit conditions |
| High Interrupting Ratings | 200 kAIC at 240V AC and 100 kAIC at 480V AC ensures safety in high-fault environments |
| 3-Pole Configuration | Ideal for three-phase systems, maximizing protection and efficiency |
| Frame Only Design | Flexible for use in custom panelboard or switchgear assemblies |
| Compact Dimensions | Saves panel space while maintaining durability |
| UL Listed | Meets global safety and performance standards for industrial applications |