Part of the Schneider Electric Square D QOB series, the QOB120EPD5237 is a single-pole miniature circuit breaker engineered for reliable circuit protection in demanding environments. This breaker incorporates Equipment Protection Device (EPD) technology, offering enhanced safety features beyond standard overcurrent protection. It is designed for use in electrical distribution systems requiring precise fault detection and interruption.

Technical details

• Series: Square D QOB
• Type: Miniature Circuit Breaker (MCB)
• Poles: 1
• Voltage Rating: 120V AC
• Current Rating: 20A
• Interrupting Capacity: 10kA
• Residual Current Sensitivity: 30mA (Ground Fault Protection)
• EPD Functionality: Equipment Protection Device

Applications & compatibility

The Schneider Electric Square D QOB120EPD5237 is suitable for a wide range of applications including residential, commercial, and light industrial settings where ground fault protection is critical. It is commonly found in control panels, sub-distribution boards, and machinery requiring protection against both overloads and ground faults, such as HVAC systems, lighting circuits, and small motor loads.

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 QOB120EPD5237 or contact our technical team for cross-reference assistance with compatible Square D QOB components.