KI36125 - 125 Amp Circuit Breaker

KI36125 - 125 Amp Circuit Breaker

The KI36125 molded case circuit breaker is built to deliver dependable protection in heavy-duty electrical systems. Rated at 600 V and 125 A, this breaker from Schneider Electric / Square D is designed for serious applications—industrial facilities, commercial switchboards, and infrastructure systems. Its performance is backed by a strong interrupting rating and thermomagnetic trip characteristics, making it a trusted choice for safeguarding equipment, wiring, and personnel.

Key Features and Benefits

• High Load Capacity: With a 125 A continuous current rating at up to 600 V, it accommodates substantial power demands without strain.
• Reliable Fault Protection: The thermomagnetic trip mechanism responds quickly to overloads, short circuits, and abnormal current surges.
• Current Limiting Design: Helps reduce peak energy during faults, thereby lowering stress on upstream components and enhancing safety.
• Plug-In / I-Line Compatibility: Designed for easy installation into I-Line panels or switchgear, reducing labor time and minimizing wiring errors.
• Long Service Life: Durable internal components and sturdy housing promote years of reliable operation with minimal maintenance.
• Eco-Aware Manufacture: Produced under environmental protocols that aim to reduce waste, support recyclability, and lower the carbon footprint.

Technical Specifications

• Voltage Rating: 600 V AC
• Current Rating: 125 A
• Poles: 3
• Interrupting Capacity: 100 kA at 600 V AC
• Trip Type: Thermal-magnetic (long-time + instantaneous)
• Mounting / Connection Style: Plug-in / I-Line (plug-on style)
• Wire Range: 4 AWG to 350 kcmil (Al/Cu) (approx)

Material Compliance and Certifications

• Certifications: This unit conforms to global safety and quality standards. It carries UL and IEC certifications, ensuring it meets rigorous testing for performance and safety.
• Environmental Compliance: Its components are designed with environmental compliance in mind—materials are selected for potential recyclability and reduced climate impact. Its manufacture aligns with Schneider Electric’s “Use Better, Use Longer, Use Again” sustainability philosophy.

Where It Works Best

• Industrial plants — to protect motors, distribution panels, and power feeders
• Commercial buildings & malls — for branch circuit protection in switchboards
• Infrastructure / utility projects — where high fault current capacity is essential
• Retrofitting or expanding existing electrical panels — thanks to its plug-in compatibility