A dependable solution for legacy infrastructure, the Eaton CF3060 is a 3-pole, 60A molded case circuit breaker. It delivers fixed thermal and magnetic protection for commercial and industrial electrical systems up to 600VAC. Engineered for exact compatibility, this unit mount MCCB installs into older Challenger, Westinghouse, and Eaton panelboards. It replaces the FD3060, ensuring a secure fit without requiring panel modifications. The HACR-rated breaker features a 25kAIC rating at 480V.
Can the Challenger CF3060 be installed in Eaton or Westinghouse panelboards?
Yes. Because Eaton acquired both the Challenger and Westinghouse distribution equipment lines, the CF3060 is compatible with specific Eaton and Westinghouse panelboards that are listed to accept CF frame bolt-on breakers.
How is the CF3060 secured inside the panelboard?
This is a unit mount, bolt-on circuit breaker. It fastens directly to the panelboard bus using bolted connections, which provides a highly secure contact for commercial and industrial applications.
Does the CF3060 support direct current (DC) applications?
Yes. While primarily used in AC systems, this breaker is also rated for DC circuits up to 250VDC. It provides an interrupting capacity of 10kA for compatible DC applications.
What wire gauges are compatible with the factory lugs on the CF3060?
The standard lugs on this breaker accept wire sizes from 14 AWG up to 1/0 AWG. Always torque the terminal connections to the manufacturer specifications based on your specific wire gauge.
What protection functions are included in the CF3060 trip unit?
The breaker features a fixed thermal-magnetic trip unit with LI functions. This provides Long-Time (thermal) protection against sustained overloads and Instantaneous (magnetic) protection against short circuits.
Is the Challenger CF series still in active production?
Challenger is a legacy brand, but Eaton continues to support these systems. The CF3060 is part of the legacy molded case circuit breaker family and is used to maintain or expand existing Challenger, Eaton, or Westinghouse installations.
Does the interrupting capacity of the CF3060 change based on the system voltage?
Yes. The breaker provides a 65kA interrupting capacity at 240VAC, which decreases to 25kA at 480VAC and 18kA at 600VAC. You must verify the available fault current at your installation point does not exceed these ratings.
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