Built for demanding electrical systems, this 2000-amp high-interrupting capacity breaker provides reliable long-time and short-time (LS) protection. The unit-mount configuration integrates seamlessly into Eaton Series C panelboards and motor control centers. Equipped with a Digitrip 310 RMS electronic trip unit, it enables precise adjustability for complex coordination schemes. Note that this specific R-Frame model has been officially replaced by the newer Power Defense PDG63P2000E2NN series.
This breaker is engineered specifically for use within Eaton Series C panelboards, switchboards, and motor control centers. It is not intended for standard load centers or residential panels.
How does the T33W trip unit function on the RDC320T33W?
The T33W suffix designates an advanced electronic trip unit with adjustable Long-Time (L) and Short-Time (S) settings. This allows panel builders to fine-tune the breaker's response curve for precise selective coordination with downstream devices.
What is required for terminating conductors on the RDC320T33W?
This unit mount breaker features a bolt-on connection design and requires lugs for terminating the line and load conductors. Because it is a 2000A frame, you must select and install the appropriate multi-wire lug kits based on your specific conductor size and material.
What is the advantage of the electronic LS trip unit on this breaker?
The electronic trip unit provides highly accurate, adjustable overcurrent and short-circuit protection. Unlike thermal-magnetic breakers, electronic units are not affected by ambient temperature changes, ensuring precise coordination in industrial systems.
Can this breaker replace legacy Cutler-Hammer R-Frame units?
Yes, the RDC320T33W is fully backward compatible with older Cutler-Hammer Series C R-Frame installations. It maintains the same physical footprint and bolt-on mounting configuration for seamless retrofitting in existing switchboards.
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