Square D KI36250 - 250 A, 3-Pole Plug-In Circuit Breaker | AmpState

Square D KI36250 is a 250 A, 3-pole plug-in molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. Designed to deliver precise, reliable performance when it matters most, it’s the right choice for builders, facilities managers, and electricians who demand quick installation, durable protection, and compatibility with Square D OEM systems.

• Fast plug-in connection for swift installation and straightforward replacement, minimizing panel downtime and simplifying maintenance.
• Thermal-magnetic trip unit provides stable, repeatable protection against both overloads and short circuits, helping prevent nuisance trips while guarding downstream equipment.
• OEM-compatible design ensures a seamless fit with matching Square D panelboards and load centers, preserving proper trip curves and electrical clearance.
• Versatile application suitable for residential, commercial, and light industrial environments, capable of protecting large feeders and critical branch circuits.
• 3-pole configuration and a 250 A rating support multi-phase circuits and higher-current protection in centralized electrical systems.

Why this matters

In panelboards and load centers, the KI36250 delivers robust overcurrent and short-circuit protection without requiring complex wiring or customized solutions. The plug-in format reduces installation time, while the thermal-magnetic mechanism offers predictable, repeatable performance across temperature and load conditions. This combination is essential for systems where reliability, speed of service, and compatibility with existing Square D infrastructure are non-negotiable.

Technical snapshot

• Manufacturer: Square D
• Part number: KI36250
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 250 A
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Use the KI36250 when upgrading or expanding panelboards and load centers in residential complexes, commercial offices, or light industrial facilities. It’s well-suited for protecting feeders that serve high-demand equipment, HVAC installations, lighting systems, or motor loads where a reliable, quick-replaceable plug-in breaker is advantageous. When you need a proven, OEM-aligned solution that reduces downtime and maintains system integrity, this 250 A, 3-pole breaker is a strong, practical choice.

Choose the Square D KI36250 for a mission-critical balance of installation simplicity, protective accuracy, and durable performance aligned with your existing Square D infrastructure.