Square D HDL26125 125A 2P 600V Circuit Breaker | AmpState

The Square D HDL26125 125A 2P 600V Circuit Breaker, available from AmpState, is a purpose-built solution for everyday electrical protection in panelboards, load centers, and distribution systems. With a 125 A rating and a two-pole design, it interrupts both hot legs, delivering dependable fault current interruption and safer shutdown when faults occur.

Why this model stands out

• 125 A, 2-pole, 600V specification: robust protection for mid-range commercial and industrial circuits, ensuring reliable response under fault conditions.
• Two-pole design for complete isolation: disconnects both conductors simultaneously, reducing arc flash risk and protecting connected equipment.
• Retrofit-friendly with consistent part number: ideal for maintenance planning and retrofit projects where HDL26125 must remain the same part number, simplifying stocking and replacements.
• OEM-grade reliability from Square D: trusted protection for panelboards, load centers, and distribution panels, built to withstand everyday electrical workloads.

Ideal use cases

• Retrofit installations in existing panels where the HDL26125 is specified, ensuring a seamless upgrade without changing the design or wiring layout.
• Ongoing maintenance planning and spare-part stocking for facilities with Square D protection schemes.
• Medium-duty commercial or light-industrial distribution setups that require dependable, straightforward circuit protection.

Specifications at a glance

• Manufacturer: Square D
• Part Number: HDL26125
• Product Type: Circuit Breaker
• Amperage: 125 A
• Poles: 2
• Voltage: 600V

What you gain with AmpState

Access to trusted Square D protection with straightforward compatibility confirmation. If you’re unsure about fit, our team can help verify compatibility and ensure the HDL26125 matches your panelboard or distribution setup.

Practical installation tips

• Verify that the panelboard and conductors are rated for 600V and that a 2-pole device is appropriate for the circuit you’re protecting.
• Install per applicable electrical codes and the panel manufacturer’s guidelines, and apply proper torque to terminal screws to maintain a secure connection.
• Keep a stock of the HDL26125 for planned maintenance cycles to minimize downtime during service windows.