Square D | KHL36000M1021 | Circuit Breaker | 250A | 3-Pole

Meet the Square D KHL36000M1021 Circuit Breaker—a genuine Square D three-pole protection device designed for demanding 250A service. This breaker is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring reliable overcurrent protection and seamless panel compatibility.

Key specifications

• Amperage: 250A
• Poles: 3-Pole
• Part number: KHL36000M1021 (Square D)

Fitment and compatibility

To ensure proper operation, confirm fit and ratings before ordering. The part number is the most reliable reference for compatibility with your Square D panel and bus configuration. Use this exact model when the panel documentation specifies a 250A, 3-pole device to maintain approved protection coordination and safe operation.

Ideal use cases

• Maintenance and servicing of three-phase electrical systems in commercial or industrial panels
• Retrofit projects where an exact 250A, 3-pole Square D breaker is required
• Replacement of a failed 3-pole 250A unit in compatible electrical panels

Why this genuine Square D breaker stands out

• Authentic Square D component designed to integrate with official panels and protective coordination schemes
• Three-pole configuration delivers robust protection for three-phase circuits
• Using the precise part number reduces the risk of mismatches and unexpected trips
• Consistency in trip performance helps minimize downtime and maintain system reliability

Practical installation and maintenance tips

• Power down the system and follow approved lockout/tagout procedures before any work
• Verify the panel’s rated amperage and bus arrangement to confirm compatibility
• Refer to your panel manufacturer’s torque and mounting guidelines when securing the breaker
• Keep a spare compatible breaker on hand for proactive maintenance and faster replacements