QO2501021 - 50 Amp Circuit Breaker

QO2501021 - 50 Amp Circuit Breaker

The QO2501021 is a 2-pole, 50-amp Type QO plug-on circuit breaker featuring an integrated 120VAC shunt trip device, making it an excellent choice for your applications that require both dependable overcurrent protection and the ability to remotely trip the breaker when connected to an external control circuit. Designed for use in compatible Type QO load centers and panelboards, this breaker helps you protect electrical systems from overloads and short circuits while supporting emergency shutdown systems, fire safety interfaces, and other remote disconnect applications. With a 10kA interrupting capacity at 120/240VAC, the QO2501021 is well suited for commercial, industrial, and residential installations where reliability and code-compliant performance are essential. Its plug-on design also helps you to simplify installation and maintenance, reducing downtime during service or replacement.

Key Features and Benefits

• 50 Amp Current Rating: 50 Amp current rating for branch circuit protection.
• 2-Pole Configuration: 2-pole configuration for 120/240VAC applications.
• Type QO Plug-On Design: Type QO plug-on design for straightforward installation in compatible equipment.
• Integrated 120VAC Shunt Trip Device: Integrated 120VAC shunt trip device allows remote electrical tripping when activated by an external control signal.
• 10kA A.I.C. Rating: 10kA A.I.C. rating at 120/240VAC for dependable fault interruption.
• Circuit Protection: Protects circuits from overloads and short circuits.
• Emergency Disconnect Applications: Suitable for emergency power disconnect and automated safety system applications.
• Compact Footprint: Compact footprint helps maximize available panel space.
• Dependable Long-Term Performance: Designed for dependable long-term electrical performance.
  

Technical Specifications

• Part Number: QO2501021
  
• Type: QO
  
• Circuit Breaker Style: Plug-On Circuit Breaker with 120VAC Shunt Trip Device
  
• Poles: 2
  
• Amperage: 50 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA @ 120/240VAC
  
• Dimensions:
  • Height: 3.0 in.
  • Width: 2.25 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Industry Standards: Manufactured to meet applicable industry standards for molded case circuit breakers within its product class.
• Installation Requirements: Designed for installation in compatible Type QO electrical distribution equipment. Always install and operate in accordance with applicable local, state, and national electrical codes, as well as manufacturer installation requirements.
  

Where It Works Best

• The QO2501021 is well suited for electrical systems that require both branch circuit protection and remote breaker tripping capabilities. Typical applications include: Commercial buildings, Industrial control panels, Manufacturing facilities, Emergency shutdown (EPO) systems, Fire alarm interface systems, Building automation systems, Mechanical equipment disconnect applications, Compatible Type QO load centers and panelboards. By combining dependable overcurrent protection with a built-in 120VAC shunt trip, the QO2501021 offers a practical solution for installations where remote disconnection enhances operational safety and system control.