QOB270 - 70 Amp Circuit Breaker

QOB270 - 70 Amp Circuit Breaker

Upgrade your electrical protection with the Schneider Electric QOB270 70 Amp Miniature Circuit Breaker, a trusted member of the proven QO series. Engineered for safe, reliable service in residential, commercial, and light industrial settings, this 2‑pole bolt-on breaker handles up to 120/240 VAC at 70 amps, offering a 10 kA interrupting capacity to guard against overloads and short circuits. Installation is fast and secure thanks to its bolt‑on design, and troubleshooting is simple with the built-in VisiTrip window that lets you instantly see if the breaker has tripped

Key Features and Benefits.

• High Interrupting Capacity: Rated at 10 kA @ 120/240 VAC to protect circuits during fault conditions
• Thermal‑Magnetic Trip Unit: Offers dependable overload and short‑circuit protection with accurate automatic shutdown.
• Quick‑Make, Quick‑Break Toggle Mechanism: Trip‑free mechanism ensures fast switching and positive handle feedback, optimizing safety and performance
• VisiTrip Trip Indicator: Visual red flag shows clearly when the breaker trips, so maintenance or resets are faster.
• Bolt‑On Mounting: Stable, professional installation that fits standard QO panelboards.
  

Technical Specifications

• Series: QO
  
• Ampere Rating: 70 A
  
• Voltage Rating: 120/240 VAC; also UL rated 48 V DC (5 kA at 48 V DC) 
  
• Interrupting Rating: 10 kA @ 120/240 VAC; 5 kA @ 48 V DC
  
• Poles: 2‑Pole
  
• Mounting: Bolt‑on
  
• Electrical Connection: Box lugs
  
• Wire Range: AWG 8 to AWG 2 (copper or aluminum)
  
• Tightening Torque: 44. 
  
• Dimensions:
  • Height: 3.1″
  • Width: 1.5″
  • Depth: 2.9″
• Weight: ~0.61 lb (0.277 kg)
  
• Ambient Rating: Up to 104 °F (40 °C) for continuous duty 
  

Material Compliance and Certifications

• UL Listed (File E84967) and CSA Certified (Master Contract 153555): meets industry safety standards 
• HACR Rated: Approved for HVAC and motor loads
• Fully RoHS and REACh compliant: Free from mercury and halogens for eco‑safe installation
  

Suitability

• This breaker is ideal for homes, businesses, and light‑industrial facilities where dependable overcurrent protection at 70 amps is required. It's a go‑to choice for electricians, contractors, and facility managers installing or upgrading QO panelboards, especially when a reliable, easy‑to‑install bolt‑on breaker with strong safety credentials is needed. The VisiTrip feature speeds up diagnosis in maintenance scenarios, and the wide wire compatibility (AWG 8–2) ensures flexibility with copper or aluminum wiring.