Square D KH36125 - 125 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D KH36125 is a 125A, 600V, 3-pole plug-in molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its fast plug-in connection allows for quick installations and swift replacements, reducing downtime during upgrades or service calls while keeping your electrical system secure.

• Plug-in convenience: Fast, secure connection that simplifies installation and reduces panel downtime when upgrading or replacing breakers.
• Thermal-magnetic trip unit: Combines thermal sensing for overload protection with magnetic trip for instantaneous short-circuit response, delivering stable, repeatable protection performance you can trust.
• 3-pole design for 3-phase systems: Suitable for commercial and light industrial applications where three-phase distribution is required, while still accommodating residential-scale panelboards in appropriate setups.
• 125A, 600V rating: Built to handle demanding loads while maintaining reliable interruption protection within its specified voltage and current ranges.
• OEM compatibility: Designed to mount in matching OEM load centers and panelboards, ensuring a cohesive, field-replaceable solution with your existing infrastructure.
• Plug-in molded case construction: Compact, robust enclosure that fits standard plug-in panels and resists the wear associated with frequent switching in active electrical environments.
• Applications: Ideal for branch circuit overcurrent protection and short-circuit protection in residential, commercial, and light industrial settings where dependable protection is essential.

Who benefits from the KH36125? electricians and facilities teams looking for a reliable, easy-to-replace breaker that aligns with Square D panelboard ecosystems. If you’re upgrading an older panel, expanding a service, or replacing a failed unit, this 3-pole plug-in breaker offers a precise fit and predictable performance for everyday electrical loads.

Practical notes for use: ensure the breaker is compatible with your panelboard model, de-energize the system before replacement, and verify appropriate tooling and safety procedures during installation. With its clean plug-in design, the KH36125 helps you maintain continuous protection for critical circuits across a range of commercial and light industrial environments.