The Schneider Electric Square D QOH1100X is a single-pole circuit breaker designed for reliable overcurrent protection and switching in electrical distribution systems. This unit is part of the QO series, a widely recognized line known for its robust construction and dependable performance in residential, commercial, and light industrial environments. It serves as a critical component for safeguarding circuits against faults and enabling manual disconnection of power.

Technical details

• Series: Square D QO
• Type: Miniature Circuit Breaker (MCB)
• Poles: Single-pole
• Amperage Rating: 100 Amperes (A)
• Voltage Rating: Designed for standard North American residential and commercial voltages (typically 120/240V AC, verify with manufacturer datasheet for specific configurations).
• Interrupting Rating: Standard interrupting ratings for QO breakers are typically 10,000 Amperes (kA) at 120/240V AC, but this specific rating should be confirmed via the manufacturer's datasheet.
• Mounting Type: Plug-in style for compatible load centers and panelboards.
• Trip Mechanism: Thermal-magnetic trip unit for overload and short-circuit protection.

Applications & compatibility

The Schneider Electric Square D QOH1100X is commonly utilized in residential electrical panels, commercial sub-panels, and light industrial control cabinets. Its 100A rating makes it suitable for branch circuits supplying significant loads such as HVAC systems, electric ranges, or large motor loads where a single-pole breaker is specified. It is designed to be compatible with Square D QO series load centers and panelboards.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D QOH1100X or contact our technical team for cross-reference assistance with compatible QO series components.