THHQB2190 - 90Amp Circuit Breaker

THHQB2190 - 90Amp Circuit Breaker

The THHQB2190 is a 90-amp, 2-pole thermal-magnetic miniature circuit breaker from the Q-Line series, designed to deliver reliable overcurrent protection in residential and commercial electrical systems. With a strong interrupting rating of 22kA at 120/240V, this breaker ensures safe and efficient circuit control and fault mitigation.

Key Features and Benefits:

• Thermal-Magnetic Protection: Provides long-time overload and short-time overcurrent protection, ensuring dependable circuit operation.
• Quick-Make/Quick-Break Mechanism: Enhances safety by responding swiftly to electrical faults, minimizing arc duration and damage.
• Compact Design: Only one inch wide per pole, ideal for maximizing space in load centers and panelboards.
• Bolt-On Mounting: Allows for easy, secure installation onto bus bars, reducing labor and installation time.
• Visible Trip Indicators: Enable quick visual detection of tripped circuits, aiding in fast diagnostics and reducing downtime.

Technical Specifications:

• Amperage: 90 A
• Poles: 2
• Voltage: 120V / 120/240V systems
• Interrupting Rating: 22 kAIC at 120/240V
• Trip Style: Non-Interchangeable
• Trip Function: LI (Long-Time and Instantaneous)
• Frame Type: Q-Line

Material Compliance and Certifications:

• UL Listed: Complies with UL safety standards (UL File #E11592)
• HACR Rated: Approved for Heating, Air Conditioning, and Refrigeration applications

Suitability:

• Residential Installations: Excellent for protecting home branch circuits and load centers.
• Commercial Applications: Ideal for use in commercial lighting panels and industrial equipment.
• Reverse Feed Compatible: Flexible installation allows for use in systems requiring reverse feed capability.

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.