Q1B230 - 30 Amp Circuit Breaker

Q1B230 - 30 Amp Circuit Breaker

When you’re servicing or maintaining existing electrical systems, you want a circuit breaker you can count on. The Q1B230 30A is a dependable 2-pole breaker built especially for maintenance tasks in residential and light commercial setups. It uses a bolt-on thermal-magnetic trip mechanism to deliver reliable protection while fitting neatly into your existing panel layout.

Key Features & Benefits

• Thermal-Magnetic Trip Protection: Combines overload (thermal) and instantaneous short-circuit (magnetic) protection in one unit, so your wiring and equipment stay safe under a variety of fault conditions.
• High Interrupting Capacity: Rated for 10,000 AIC (amps interrupting capacity) at 120/240 V AC, it handles serious faults without damage to downstream gear.
• Bolt-On Design: You don’t need extra adapters or modifications. The bolt-on configuration ensures a firm, stable connection inside the panel.
• Space-Efficient: Occupies just four spaces in your breaker box, making it ideal for retrofits where space is limited.
• Built for Regular Use: Engineered with quality materials and construction to hold up under repeated service cycles, giving you long service life.

Technical Specifications

• Poles: 2
  
• Amperage: 30 A
  
• Interrupting Rating: 10,000 A at 120/240 VAC
  
• Frame Type: Q1B
  
• Dimensions (W × L × D):
  • Width: 1.50″
  • Length: 6.38″
  • Depth: 2.31″
• Weight: 3.50 lbs
  
• Panel Space Required: 4 spaces
  

Material Compliance & Certifications

• UL 489 Compliance: This breaker is manufactured to meet or exceed UL 489 standards, meaning it has passed rigorous testing for overload, short-circuit, thermal stability, and mechanical endurance. (UL 489 is the benchmark standard for molded-case circuit breakers used in branch circuits and feeder protection.) Its listing ensures you can trust it to perform under code-compliant conditions.
  

Where It Works Best

• If your job involves maintenance or retrofitting, this breaker is ideal. Use it in residential homes or small to moderate commercial setups to replace or upgrade existing protection. Its compact footprint and bolt-on design mean you won’t need to overhaul your panel. It’s especially useful when you want to maintain system safety without extensive rewiring or panel expansion.