QOB340VH - 40 Amp Circuit Breaker

QOB340VH - 40 Amp Circuit Breaker

Looking for dependable overcurrent protection with easy installation and clear trip notification? The Schneider Electric QOB340VH, a 40-amp, 3-pole thermal‑magnetic circuit breaker, delivers just that for both AC and DC systems. It’s UL-listed and CSA-certified—giving you safety you can count on in residential, commercial, and industrial panels. This bolt-on breaker supports circuits up to 22 kA interrupting capacity and includes a handy VisiTrip indicator so you can tell at a glance when it’s tripped.

Key Features and Benefits

• Thermal‑magnetic trip protection: Responds quickly to overloads and short circuits, keeping your electrical systems safe
• 22 kA interrupting capacity: Ideal for demanding or heavy-duty circuits
• VisiTrip indicator: Gives instant visual reassurance if the breaker has tripped, supporting fast troubleshooting
• Bolt‑on design: Ensures a snug, secure fit in panels and lets you install it quickly—no fuss
• Compact footprint: Helps maximize panel space without sacrificing performance
• Built to last: With durable internal components and strong construction for everyday use

Technical Specifications

• Amperage: 40 A
• Voltage: 120/240 VAC (AC) and compatible with equivalent DC systems
• Interrupting Capacity: 22,000 A (22 kA)
• Poles: 3‑pole
• Mounting: Bolt-on style
• Dimensions:
  • Height: ~3.1″
  • Width: ~2.2″
  • Depth: ~2.9″
• Wire Size Compatibility: AWG 8–2 (copper or aluminum)
• Weight: ~1.05 lb (0.476 kg)

Material Compliance and Certifications

• Certifications: This breaker meets UL Listing and CSA Certification, ensuring top-tier electrical safety.
• Environmental Compliance: It also complies with RoHS and REACH, free from heavy metals or halogens. It carries the Green Premium™ label, meeting modern environmental regulations to support eco-conscious projects.

Where It Works Best

• Residential, commercial, and industrial electrical panels
• Protecting both AC and DC circuits in critical systems
• High-demand or high‑interrupting‑capacity environments where safety and reliability matter
• Green-friendly builds or projects requiring compliance with environmental safety standards