Square D KI36150 - 150 A, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D KI36150 is a 150 A, 3-pole plug-in molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a fast plug-in connection, it simplifies installation and quick replacement, helping you minimize downtime during upgrades or maintenance.

Key advantages that set this breaker apart

• Fast plug-in connection for streamlined installation and rapid field replacements, reducing labor time and project delays.
• Thermal-magnetic trip unit provides stable, repeatable protection by responding to both overload and short-circuit conditions, maintaining consistent performance across temperature and load variations.
• OEM-compatible design is built to work with matching Square D panelboards and loadcenters, ensuring reliable integration and coordinated protection across your electrical distribution system.
• Versatile for multiple environments suitable for residential, commercial, and light industrial applications where dependable branch-circuit protection is essential.

Specs at a glance

• Manufacturer: Square D
• Part Number: KI36150
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150 A
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this 3-pole plug-in breaker is the right choice

If you’re upgrading a panelboard or adding a new distribution point, the KI36150 offers a robust, plug-and-play solution that aligns with Square D’s engineering standards. The 3-pole configuration protects three phases and a shared neutral in many commercial and light industrial setups, delivering synchronized tripping and coordinated protection across circuits. The plug-in design reduces installation complexity, making field retrofits faster and more predictable.

Ideal use cases

• Residential and light commercial panel upgrades where a reliable 150 A main or feeder protection is required
• Loadcenter installations in small offices, workshops, or retrofit projects that demand quick replacement during maintenance cycles
• New construction where fast, scalable plug-in protection is preferred for modular panel assemblies

Installation and compatibility tips

Ensure your panelboard or loadcenter is compatible with the KI36150 first, and follow the manufacturer’s torque specifications for plug-in connectors to maintain proper electrical contact. This unit is designed to integrate with matching OEM components to deliver aligned trip curves and predictable protection, helping you meet code requirements and maintain system reliability.

With the Square D KI36150, you gain a precise, dependable protection option that blends quick installation with durable, thermal-magnetic performance. It’s a practical choice for electricians and facility managers seeking consistent protection for high-demand circuits without compromising on installation efficiency.