Q1-320 - 20 Amp Circuit Breaker

Q1-320 - 20 Amp Circuit Breaker

The Q1-320 20 Amp 3-Pole Circuit Breaker delivers dependable, high-performance protection for your three-phase electrical circuits—especially during maintenance tasks in residential and light commercial settings. Designed to guard against overloads and short circuits, it safeguards your wiring and connected equipment, giving you peace of mind. Though compact, it spans six panel spaces, maximally balancing size and functionality without sacrificing safety.

Key Features & Benefits

• Thermal-magnetic trip action: Reacts promptly to excessive current and short circuits, ensuring reliable protection.
• Three-pole configuration: Tailor-made for three-phase systems, letting you maintain balanced circuit control across phases.
• Plug-on mounting system: Enables fast, secure installation—ideal when you need to minimize downtime during maintenance.
• High interrupting capacity: 10 kA at 240 VAC so the breaker can safely handle short-circuit currents in many standard installations.
• Compact footprint: Despite requiring six panel spaces—clever design to suit retrofit or existing panels with limited room.
  

Technical Specifications

• Poles: 3
  
• Amperage Rating: 20 A
  
• Interrupting Rating: 10 kA at 240 VAC
  
• Frame Type: Q1
  
• Dimensions:
  • Width: 2.25″
  • Length: 6.38″
  • Depth: 2.31″
• Approximate Weight: 3.10 lbs
  
• Panel Space Required: 6 spaces
  

Material Compliance & Certifications

• Industry Standards: The Q1-320 meets or exceeds UL 489 standards for molded-case circuit breakers, ensuring consistent safety performance under demanding conditions.
• Material Quality: All materials are selected for durability, long life, and reliable electrical integrity. Internal components undergo strict quality control to maintain compliance with industry safety requirements.
  

Where It Works Best

• This circuit breaker is purpose-built for maintaining or upgrading existing three-phase systems where a 20 A, 3-pole breaker is needed. It’s beneficial in residential or light commercial installations that require dependable overcurrent protection without major panel rework. Its high interrupting capacity means it can handle many typical fault levels, and the plug-on design simplifies replacement or upgrades. Use it in situations where you want a dependable safety component you can trust for years, even under changing loads or periodic electrical inspections.