Q221150BC - 150 Amp Circuit Breaker

Q221150BC - 150 Amp Circuit Breaker

The Q221150BC is a high-performance 150 Amp molded-case circuit breaker built for durability and dependable protection. Designed especially for industrial and commercial systems, this device delivers both overcurrent and short-circuit safety in one compact package. You’ll appreciate its plug-on mounting and dependable operation when uptime matters most.

Key Features & Benefits

• Plug-On Installation: installs quickly and cleanly, reducing labor time during maintenance or upgrades
• Thermal + Magnetic Protection: handles slow overloads (thermal) and sudden short circuits (magnetic) for complete circuit safety
• B-C Phasing Compatibility: works across varied phasing systems, granting flexibility in design and retrofits
• Built for Continuous Service: engineered to run reliably in challenging settings, from factories to large commercial sites

Technical Specifications

• Poles: 2
  
• Amperage: 150 A
  
• Voltage: 120/240 VAC
  
• Interrupting Rating (A.I.C.): 10,000 A
  
• Frame Type: Q2
  
• Dimensions:
  • Width: 3.00 in
  • Length: 7.88 in
  • Depth: 4.31 in
• Weight: 6.50 lb
  

Material Compliance & Certifications

• The Q221150BC adheres to rigorous industry safety and quality standards. Its molded-case housing provides robust insulation and resistance to environmental stress.
• All internal components are manufactured under certified processes, ensuring compliance with applicable UL, IEC, or other regulatory benchmarks (depending on market).
• The design also meets durable performance thresholds for vibration, thermal cycles, and mechanical stress over long service life.

Where It Works Best (Suitability)

• Industrial plants, machinery control centers, and manufacturing lines
• Commercial buildings, data centers, and large office facilities
• Heavy-duty residential or mixed-use installations where high-current protection is needed
• Environments where sensitive equipment must be shielded from power anomalies