KH36090 - 90 Amp Circuit Breaker

KH36090 - 90 Amp Circuit Breaker

Engineered for high-demand environments, the KH36090 90 Amp circuit breaker delivers dependable protection and peace of mind for your industrial or commercial electrical systems. Whether you’re managing a factory floor, data center, or large-scale infrastructure, this unit stands ready to defend your circuits against overloads and short circuits—helping reduce costly downtime and prevent equipment failures.

Key Features and Benefits

• High Current Capability: Rated at 90 A, the KH36090 is suited for power-hungry loads in three-phase systems.
• Three-Pole Protection: Delivers balanced fault protection across all three phases, keeping your system stable.
• Strong Interrupting Power: Interrupts fault currents quickly and cleanly, reducing risk to downstream equipment.
• Durable Construction: Built to resist wear in industrial settings, giving you confidence that it will last.
• Streamlined Installation: Designed to slot easily into standard panels, cutting your setup time.
• Thermal-Magnetic Molded Case: Combines both thermal and magnetic trip elements to handle both long-duration overloads and instantaneous faults.
• Stable Performance Range: Operates reliably at 60 Hz and tolerates ambient temperatures up to 40 °C.

Each feature is designed to translate into a real benefit: lower maintenance costs, safer operation, and fewer unexpected shutdowns.

Technical Specifications

• Poles: 3
  
• Current Rating: 90 A
  
• Interrupting (A.I.C.):
  • 25,000 A @ 600 VAC
  • 35,000 A @ 480 VAC
  • 65,000 A @ 240 VAC
• Frame Type: KH
  
• Dimensions:
  • Width: 4.50 inches
  • Length: 10.50 inches
  • Depth: 4.38 inches
• Shipping Weight: 12.00 lbs
  
• Panel Compatibility: I-Line panelboards
  

This level of interruption capacity ensures the breaker can handle severe fault events without letting a failure cascade through your system.

Material Compliance and Certifications

• UL Listing: The KH36090 is manufactured in full compliance with leading electrical safety standards. It carries UL listing, which confirms that it has passed rigorous testing in alignment with UL 489 for molded-case circuit breakers. This certification is widely accepted in industrial and commercial installations throughout North America and beyond.
• RoHS Compliance: The materials used are RoHS compliant, which means the product avoids certain hazardous substances—supporting safer disposal and reduced environmental impact.

By meeting both performance and regulatory standards, this breaker gives you confidence in both operational security and code compliance.

Where It Works Best

• The KH36090 is ideal for environments where heavy-duty protection is essential:
• Manufacturing plants and process control systems
• Commercial buildings with high electrical load centers
• Infrastructure projects and substations
• Data centers, server rooms, and backup power systems
• Any three-phase application needing reliable overcurrent protection