Built for robust commercial and industrial power systems, the FAL36035 is a 3-pole, 35A molded case circuit breaker. It mounts into standard Square D enclosures, switchboards, and control panels. As a legacy F-Frame component, it is replaced by the newer HGL36035 model for facility upgrades. The breaker features fixed long-time and instantaneous trip functions, delivering a 25kAIC rating at 240VAC and 14kAIC at 600VAC for dependable overcurrent protection.
What is the difference between FAL and FHL or FCL breakers?
FAL, FHL, and FCL are all Square D F-frame circuit breakers. The primary difference is their interrupting capacity. FAL provides the standard interrupting rating, while FHL offers high interrupting ratings and FCL provides extra-high current limiting capabilities. They share the same physical dimensions and mounting footprints.
How does a unit mount breaker like the FAL36035 install into a system?
Unit mount breakers are designed to be bolted directly to a backpan or mounting plate within a control panel or enclosure. They do not plug onto busbars like I-Line or load center breakers. Line and load connections are made using the provided feed-thru lugs.
What is the modern replacement for the legacy FAL36035 circuit breaker?
The Square D F-frame series is a legacy product line. In new installations, Schneider Electric typically replaces the 35A FAL series with the PowerPact H-frame series, such as the HDL36035. However, the FAL36035 remains widely used for direct replacements in existing enclosures where retrofitting a newer frame size is not feasible.
Can this breaker be used in direct current applications?
Yes, the FAL36035 is rated for use in DC systems up to 250VDC. When applying thermal magnetic breakers in DC circuits, ensure proper wiring configurations as specified by the manufacturer to maintain the DC voltage rating and safely clear faults.
Will this breaker fit in a standard Square D QO or Homeline load center?
No. The FAL36035 is an industrial molded case circuit breaker and is physically too large for standard residential QO or Homeline load centers. It is designed for industrial enclosures, switchboards, and control panels that accommodate F-frame unit mount breakers.
Are the terminal lugs removable on this breaker?
Yes, the standard mechanical lugs on Square D F-frame breakers can typically be removed. This allows installers to replace them with compression lugs or other specialized terminal hardware if required by the specific application or control panel design.
What precautions should be taken before installing this breaker in a control panel?
Always verify that the power supply is completely de-energized and locked out before installation. Ensure the panel's available fault current does not exceed the breaker's interrupting rating at the system voltage. Installation should only be performed by a qualified electrician following local electrical codes.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 38 reviews.
5.0
Rated 5.0 out of 5 stars
Based on 38 reviews
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Reviews Summary
Generated by AI from 31 most recent customer reviews
Last updated 7/31/25
Customers say these electrical components arrive quickly and match their specifications perfectly. Many reviews mention competitive pricing and reliable shipping times. Common feedback includes satisfaction with product condition and fit. While most orders arrive as expected, a few customers note shipping delays. Frequent comments address the accuracy of product descriptions and ease of ordering.