Part of the legacy F3B series, this 3-pole, 60A Siemens MCCB provides dependable thermal-magnetic protection for commercial and industrial applications. Designed as an exact replacement, the breaker mounts into older ITE and Siemens E-Frame panelboards. It serves as a substitute for the ED63B060, ensuring a seamless fit without retrofit kits. Rated at 25kAIC at 240V and 14kAIC at 480V, it features a non-interchangeable trip unit and HACR certification.
Which panelboards are compatible with the F3B060 circuit breaker?
This bolt-on breaker is designed specifically for installation in legacy ITE and Siemens E-Frame panelboards.
Can the F3B060 replace an older ED63B060 breaker?
Yes, the F3B060 serves as a direct substitute for the discontinued ED63B060. It utilizes the same bolt-on mounting configuration for seamless integration into existing E-Frame panelboards.
What type of conductors can be used with the F3B060 lugs?
The factory-installed lugs are dual-rated for both copper (Cu) and aluminum (Al) wire, accepting sizes from 14 AWG up to 1/0 AWG.
Are the trip settings adjustable on the F3B060?
No, the thermal-magnetic LI (Long-Time and Instantaneous) trip unit features fixed thermal and fixed magnetic settings.
Is the F3B060 suitable for direct current applications?
Yes, in addition to standard AC voltages, this breaker is rated for use in DC power systems up to 250VDC.
How is the F3B060 secured inside the panelboard?
It uses a bolt-on mounting configuration, which fastens directly to the panelboard busbars. This provides a secure connection that is highly resistant to vibration in industrial environments.
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