Delivering high-capacity protection for commercial systems, the Eaton KDC3200 is a 200A, 3-pole MCCB. It provides dependable performance for demanding networks. This K-Frame breaker installs into Eaton Series C panelboards, switchboards, and motor control centers. It includes line and load lugs to accommodate 3 AWG to 350 kcmil wiring. With a 100 kAIC rating at 480VAC, it utilizes a thermal-magnetic trip unit featuring adjustable magnetic protection. It is HACR rated and supports reverse feed.
Current Limiting, HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit, Reverse Feed, Trip-Free Mechanism, Visual Trip Indicator
Product FAQs
6 answers
What are the torque specifications for the standard TA300K lugs?
When terminating 3 AWG to 350 kcmil wire in the standard TA300K lugs, torque the wire binding screws to 275 lb-in. The lug mounting screws that secure the terminal body to the breaker frame must be torqued to 6 to 8 lb-ft.
How is the instantaneous magnetic trip adjusted on the KDC3200?
The magnetic trip is adjusted via dials on the front of the trip unit. For this 200A model, the adjustable range is 5 to 10 times the continuous current rating, allowing you to set the instantaneous trip point anywhere from 1000A to 2000A.
Can the Eaton KDC3200 replace older legacy breakers?
Yes. Because Eaton acquired the Cutler-Hammer and Westinghouse distribution equipment lines, the Eaton KDC3200 serves as a direct, drop-in replacement for legacy Westinghouse KDC3200 and Cutler-Hammer KDC3200 circuit breakers.
What hardware is required to install this breaker in a panelboard?
While the KDC3200 is designed for Eaton Series C panelboards, switchboards, and motor control centers, it requires specific K-frame mounting hardware kits or base mounting plates. The exact hardware depends on your specific enclosure and whether it is being used as a main or branch breaker.
Are internal accessories interchangeable across the K-frame family?
Yes, internal accessories like shunt trips, auxiliary switches, and undervoltage releases are standardized across the Eaton Series C K-frame family. They can be installed in KD, HKD, and KDC models.
Are line and load lugs included with the KDC3200?
Standard configurations include TA300K lugs on both the line and load sides, which accommodate 3 AWG to 350 kcmil aluminum or copper conductors. If you are installing the breaker in a switchboard requiring bus connections, you may need to remove these lugs or order a version without terminals.
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