Square D IKL36125 Circuit Breaker, 125A, 3-Pole, 600V

The Square D IKL36125 is a 3-pole circuit breaker engineered for industrial electrical service, maintenance, and replacement projects. With a 125 A rating and a 600 V maximum, it delivers dependable protection for demanding three-phase systems while supporting robust load requirements.

Designed for use in industrial environments, this breaker is ideal for protecting power distribution panels, motor circuits, and critical equipment in manufacturing facilities, processing plants, and utility settings. Verify fit by the part number and your specific application requirements to ensure a seamless integration.

What makes the IKL36125 distinctive

• Three-pole design (3P): perfectly suited for balanced three-phase circuits common in industrial installations.
• 125 A current rating: delivers strong protection for wiring and equipment while accommodating substantial load demands.
• 600 V maximum system voltage: compatible with a wide range of industrial power distribution setups.
• Reliability you can trust: built by Square D to align with Square D panels and accessories for cohesive system protection.
• Part-number clarity: IKL36125 as the quick reference to ensure you’re selecting the correct breaker for your panel and application.

Who should consider this breaker? Electrical service and maintenance teams, facilities managers, and contractors responsible for upgrading or replacing protection devices in plant floors, warehouses, and utilities infrastructure will find it a solid fit.

Real-world use cases

• Replacing aging 3-phase breakers in 600 V distribution panels during routine maintenance.
• Installing in new equipment or retrofitting existing systems that operate on three-phase power up to 600 V.
• Protecting heavy machinery and motor loads where reliable tripping behavior reduces downtime and safeguards investments.

Need help confirming compatibility? Send us a message with your application details, and we’ll assist in verifying that IKL36125 fits your panel, bus arrangement, and circuit requirements before you purchase.