The Schneider Electric Square D QOB350VH1021 is a 3-pole miniature circuit breaker designed for reliable overcurrent protection in commercial and industrial electrical distribution systems. This QOB series breaker offers robust construction and precise tripping characteristics to safeguard equipment and personnel from electrical faults. It is commonly integrated into panelboards and switchgear for branch circuit protection.

Technical details

• Series: Square D QOB
• Poles: 3
• Voltage Rating: 120/240 VAC
• Frequency: 50/60 Hz
• Current Rating: 50 Amps
• Interrupting Rating: To be verified against manufacturer datasheet.
• Terminal Type: Lug terminals (specific type to be verified against manufacturer datasheet).
• Mounting Type: Bolt-on (standard for QOB series, specific mounting dimensions to be verified against manufacturer datasheet).

Applications & compatibility

This 50 Amp, 3-pole circuit breaker is suitable for protecting circuits in a wide range of applications, including lighting panels, motor control circuits, and general power distribution in commercial buildings, manufacturing facilities, and data centers. It is compatible with standard Square D QOB 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 QOB350VH1021 or contact our technical team for cross-reference assistance with compatible Square D QOB components.