Square D | KI36125 | Circuit Breaker | 125A | 3-Pole | 600V

Meet the Square D KI36125 circuit breaker — a genuine, factory-built safety device designed for demanding electrical systems that require 125 amps, three poles, and a 600 V rating.

Designed for maintenance, retrofit, and replacement, this 3-Pole breaker fits purpose-built Square D panels where this exact specification is required. The KI36125 part number is the most reliable reference for compatibility, helping you avoid mismatches that can disrupt protection or violate code.

Key specifications:

• Amperage: 125 A
• Poles: 3-Pole
• Voltage: 600 V
• Brand: Square D
• Part number: KI36125

Why choose this Square D circuit breaker? Because it’s built to deliver reliable, predictable overcurrent protection in commercial and light industrial environments. It’s the right choice when you’re upgrading existing panels or replacing a unit that must meet exact specifications without compromising safety or code compliance.

Practical uses and scenarios:

• Routine maintenance or panel retrofit where 125A trip capacity and 600V rating are required
• Replacement in service panels that specify a 3-Pole, 125A, 600V device
• New installations in systems designed for three-phase distribution in commercial facilities

Compatibility and installation notes:

• Always confirm fit and ratings before ordering; the KI36125 part number is the best compatibility reference
• Ideal for electricians and facilities engineers planning panel upgrades or service replacements
• Professional installation recommended in accordance with local electrical codes and manufacturer guidelines

Distinct advantages compared to generic breakers:

• Exact spec alignment reduces risk of nuisance tripping and protection gaps in three-phase systems
• Genuine Square D component backed by Schneider Electric’s support network and availability
• Designed to integrate with existing Square D enclosures and bus systems where this specification is required

Invest with confidence knowing you’re choosing a proven solution built to resist wear in busy electrical rooms, distribute power safely, and protect valuable equipment downstream. If you’re cataloging parts for a retrofit or replacement project, keep KI36125 in your reference pool for a seamless match to your existing Square D installation.