QJ22B090H - 90Amp Circuit Breaker

QJ22B090H - 90Amp Circuit Breaker

The QJ22B090H is a 2-pole, 90-amp molded case circuit breaker designed for use in 120/240VAC electrical distribution systems. Built with a 42 kA interrupting rating, this breaker provides overcurrent and short-circuit protection for branch circuits and equipment where high interrupting capacity is required. Designed for 40°C applications, it is HACR-rated for use with heating, air conditioning, and refrigeration equipment, where applicable. This breaker also includes load-side lugs for straightforward installation. Whether you're replacing an existing breaker with the same specifications or maintaining an established electrical system, the QJ22B090H Type QJ2H is designed to provide the proper form, fit, and function for compatible equipment. Built to last, it offers dependable circuit protection while helping keep electrical systems operating safely and efficiently.

Key Features and Benefits

• 90-amp current rating: 90-amp current rating for medium- to high-capacity electrical circuits.
• 2-pole configuration: 2-pole configuration for 120/240VAC applications.
• 42kA interrupting capacity: 42kA interrupting capacity at 120/240VAC.
• Type QJ2H molded case circuit breaker: Type QJ2H molded case circuit breaker.
• Designed for 40°C operating environments: Designed for 40°C operating environments.
• HACR rated: HACR rated for compatible heating, air conditioning, and refrigeration applications.
• Includes load-side lugs: Includes load-side lugs to simplify installation.
• Form, fit, and functional replacement: Designed as a form, fit, and functional replacement for compatible electrical systems.
• Built to last: Built to last for long-term service in properly maintained electrical equipment.

Technical Specifications

• Part Number: QJ22B090H
• Type: QJ2H
• Product Type: Molded Case Circuit Breaker
• Poles: 2
• Amperage: 90A
• Voltage: 120/240VAC
• Interrupting Rating (A.I.C.): 42kA @ 120/240VAC
• Operating Temperature: 40°C
• HACR Rated: Yes
• Included: Load-Side Lugs
• Dimensions:
  • Height: 7.0 in.
  • Width: 3.0 in.
  • Depth: 2.53 in.

Material Compliance and Certifications

• Molded case circuit breaker construction: Molded case circuit breaker construction.
• HACR rated: HACR rated for qualifying heating, air conditioning, and refrigeration applications.
• Manufactured for use: Manufactured for use according to its published electrical ratings and compatible equipment requirements.
• Designed to meet form, fit, and function: Designed to meet the specified form, fit, and function of the original application when installed by qualified personnel.

Where It Works Best

• The QJ22B090H is well-suited for commercial, industrial, and institutional electrical distribution systems requiring a 2-pole, 90A molded-case circuit breaker with a 42kA interrupting rating at 120/240VAC. It is commonly used for protecting feeders, branch circuits, HVAC equipment, panelboards, switchboards, and other compatible power distribution equipment where a Type QJ2H breaker is specified. Its combination of current rating, interrupting capacity, and included load-side lugs makes it an appropriate choice for maintaining existing electrical systems while ensuring compatibility with the original equipment specifications.