Designed to safeguard industrial power networks, the Square D FHL26030 is a 30A, 2-pole molded case circuit breaker. It incorporates a thermal-magnetic trip mechanism to ensure precise long-time and instantaneous (LI) fault response. The breaker mounts into standard Square D enclosures, panelboards, and switchboards. As part of the legacy F-Frame family, it can be upgraded to the newer HGL26030 model when facility requirements change. It provides a robust 65kAIC interrupt rating at 240VAC.
Specifications
Key specifications
Amperage
30A
Voltage
240VAC, 480VAC, 600VAC, 250VDC
Functions
LI - Long-Time and Instantaneous Trip
Protection
Standard
Electrical ratings
Poles
2
Phase
1
Interrupting Rating
25kAIC at 480V
Fit and installation
Mounting Type
Unit
Frame Type
FHL
Connection Type
Feed-Thru
Terminal Connection
Line and Load Side Lug
Wire Gauge
14-4 AWG (Cu/Al)
For Use With
Square D Enclosures, Switchboards, Panelboards
Configuration
Single
Standards and features
Approval
CSA, UL
Accessories
Line and Load Lugs Included
Standards
CSA C22.2 No. 5, UL 489, NEMA AB 1
Temperature Rating
40C
Product details
Series
FHL
Brand
Square D
Product FAQs
8 answers
What enclosures and panels are compatible with the FHL26030 circuit breaker?
The FHL26030 is designed for use with compatible Square D enclosures, switchboards, and panelboards that accept legacy F-frame unit mount breakers.
Is the Square D FHL26030 still in active production?
The FHL series is a legacy F-frame molded case circuit breaker. Schneider Electric has designated the PowerPact B-frame series as the modern replacement for legacy FAL and FHL control panel applications.
Can the FHL26030 breaker be used in DC electrical systems?
Yes, this thermal magnetic breaker is rated for DC applications up to 250VDC, where it provides a 10kA interrupting capacity for specific control or distribution circuits.
What type of mounting does the FHL26030 require?
This breaker features a unit mount, feed-thru design. It is installed using mounting hardware and direct cable connections to the lugs, rather than plugging directly into a panelboard busway.
What wire sizes are accepted by the standard lugs on the FHL26030?
The factory lugs on this breaker accommodate 14 AWG to 4 AWG copper or aluminum conductors. Always ensure proper torque is applied during installation as specified on the breaker faceplate.
How does the trip unit function on the FHL26030?
It features a fixed thermal magnetic trip unit that provides both long-time overload protection and instantaneous short circuit protection. The trip settings are fixed and cannot be adjusted in the field.
What is the maximum interrupting rating for the FHL26030 on AC systems?
While it provides a 25kA interrupting capacity at 480VAC, the breaker achieves its maximum interrupting rating of 65kA when applied on 240VAC systems. It is also rated for 18kA at 600VAC.
Can the FHL26030 be used for single-phase applications?
Yes, as a 2-pole breaker, the FHL26030 is designed for single-phase applications in compatible Square D enclosures and panelboards.
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Reviews
Review summary
Customers rate this product 4.7 out of 5 based on 3 reviews.