Engineered for robust power distribution, the Square D IFL36060 is a 60A, 3-pole molded case circuit breaker. It provides thermal-magnetic protection for systems up to 600VAC. The breaker features a unit-mount design with included lugs. It is built for compatibility with Square D switchboards and motor control centers, and is replaced by the HRL36060. Highlighting its current-limiting capabilities, this model boasts a 200kAIC rating at 480VAC and includes a Visi-Trip indicator.
Current Limiting, High Interrupting Capacity, HACR Rated, Visual Trip Indicator
Special Features
Current Limiting
Product FAQs
7 answers
What is the modern replacement for the legacy IFL36060 circuit breaker?
The IFL36060 is part of the legacy Square D I-Limiter series. It is directly replaced by the PowerPact H-frame series, specifically catalog number HRL36060, which maintains the 60A, 3-pole, and 600VAC ratings.
Where is the unit-mount IFL36060 typically installed?
This breaker is designed for unit-mount applications and is compatible with Square D switchboards, motor control centers, and standalone enclosures. It is a feed-thru breaker and is not designed for I-Line panelboards, which require plug-on bracket mounting.
How does the current-limiting feature of the IFL36060 benefit a power distribution system?
Current-limiting breakers clear severe short circuits in less than a half-cycle. This rapid response significantly reduces the peak let-through current and thermal energy, protecting downstream components from extreme mechanical and thermal stress.
Is the IFL36060 suitable for high-fault industrial environments?
Yes, this current-limiting breaker offers exceptionally high interrupting ratings. It provides a 200kA interrupting capacity at 480VAC and a 100kA interrupting capacity at 600VAC, making it ideal for industrial facilities with high available fault currents.
What are the wire gauge limits for the factory lugs on this breaker?
The included line and load lugs are dual-rated for aluminum and copper conductors, accepting wire sizes from 14 AWG up to 1/0 AWG. Ensure conductors are sized appropriately for the 60A load and 40C ambient temperature rating.
What type of trip unit is installed in the IFL36060?
It features a fixed thermal-magnetic trip unit with Long-Time and Instantaneous (LI) functions. The thermal element provides inverse-time overload protection, while the magnetic element provides instantaneous short-circuit protection. Both settings are fixed and non-adjustable.
How can an electrician quickly identify if the IFL36060 has tripped?
The breaker is equipped with a Visi-Trip indicator. When a thermal or magnetic fault occurs, the handle moves to the center position and a high-visibility indicator appears, allowing for rapid identification of the tripped circuit during maintenance.
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