Engineered for commercial and industrial applications, the Eaton FS220070A is a 2-pole, 70-amp molded case circuit breaker from the proven Series C F-Frame family. It provides dependable long-time and instantaneous (LI) thermal-magnetic trip functions for robust electrical system defense. This bolt-on MCCB mounts into Eaton Series C panelboards, motor control centers, and switchboards. Rated at 22 kAIC at 240VAC, it serves as an exact replacement for legacy FD2070 breakers.
What type of enclosures or panels accept the FS220070A breaker?
This breaker is designed for use in Eaton Series C panelboards, switchboards, and industrial enclosures that accommodate F-Frame bolt-on breakers.
Can I mount this breaker on a standard DIN rail?
No, the FS220070A is a bolt-on, feed-thru molded case circuit breaker. It is not designed for direct DIN rail mounting without a specialized adapter.
Is the FS220070A rated for direct current (DC) applications?
Yes, in addition to its 240VAC rating, this breaker is rated for up to 250VDC with a 10kAIC interrupting capacity. This makes it suitable for specific DC control circuits.
What does the LI trip function code mean on this breaker?
The LI designation indicates that the thermal magnetic trip unit provides Long-Time overload protection and Instantaneous short-circuit protection.
How does a feed-thru connection differ from a standard plug-on breaker?
A feed-thru breaker like the FS220070A bolts directly to the panel chassis or mounting plate and uses lugs on both the line and load sides to connect wiring, rather than plugging directly onto a busbar.
Does the FS220070A accept aluminum wiring?
Yes, the factory lugs are rated for both copper and aluminum conductors ranging from 14 AWG to 1/0 AWG.
What is the difference between the FS and FD frame breakers?
Both are Eaton Series C F-Frame breakers, but they have different interrupting ratings. The FS frame is rated at 22kAIC at 240VAC, while the FD frame has a higher interrupting capacity.
Are the thermal and magnetic trip settings adjustable on the FS220070A?
No, this specific breaker features a fixed thermal and fixed magnetic trip unit. The trip settings cannot be field-adjusted.
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Customers rate this product 5.0 out of 5 based on 1 review.