Built for heavy-duty commercial environments, this 25-amp molded case breaker delivers dependable LI protection. The PowerPacT architecture ensures consistent performance across diverse control panel applications. Featuring a standard unit-mount design, it fastens securely into compatible switchboards using included line and load lugs. Facility managers can utilize this model to upgrade aging FAL26025 installations. The D-interrupting tier provides 18kAIC at 480VAC for mid-level fault currents.
What does Unit Mount mean for the HDL26025 installation?
Unit mount means this circuit breaker is designed to be individually mounted to a backpan or mounting plate using screws, rather than plugging onto an I-Line panelboard bus. It features feed-thru lugs on both the line and load sides.
What legacy Square D circuit breakers does the HDL26025 replace?
The PowerPacT H-frame HDL26025 is the modern replacement for legacy Square D F-frame circuit breakers, such as the FAL24025 or FHL24025. Note that the physical dimensions and mounting footprints differ, so retrofitting may require enclosure modifications or adapter plates.
Can I mount the HDL26025 on a DIN rail?
Yes, the HDL26025 can be mounted on a standard 35mm DIN rail by using the Square D S29305 DIN rail mounting kit accessory.
What internal accessories are compatible with this 2-pole H-frame breaker?
The HDL26025 supports field-installable internal accessories, including auxiliary switches (OF), overcurrent trip switches (SDE), shunt trips (MX), and undervoltage releases (MN). These install directly into the accessory compartments behind the front cover.
What type of lugs are standard on the HDL26025?
This breaker comes standard with AL150HD mechanical lugs on both the line and load ends. These lugs accept 14 AWG to 3/0 AWG aluminum or copper wire.
What is the recommended wire stripping length for the HDL26025 lugs?
When terminating conductors in the standard AL150HD mechanical lugs, the recommended power wire stripping length is 0.6 inches (16 mm).
Is this breaker suitable for reverse feeding?
Yes, standard unit-mount PowerPacT H-frame thermal-magnetic circuit breakers with factory-sealed trip units, like the HDL26025, do not have line and load restrictions and can be reverse fed.
What is the difference between the HDL26025 and the HDA26025?
The HDL26025 is a unit-mount circuit breaker with mechanical lugs on both ends for wire connections. The HDA26025 is the I-Line version, which features plug-on jaw connections on the line side designed specifically for Square D I-Line distribution panelboards.
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Customers rate this product 4.0 out of 5 based on 1 review.