Square D QOB3125VH – 125 Amp Circuit Breaker – 3-Pole – 240V AC – 22 kAIC – Bolt-On – QO Series

The Square D QOB3125VH is a 125A, 3-pole molded case circuit breaker from the QO Bolt-On Series, designed to provide reliable overload and short-circuit protection in compatible commercial and industrial electrical distribution systems. It is rated for 240V AC and features thermal-magnetic protection with Long-Time and Instantaneous trip functions.

The breaker provides a 22 kAIC interrupting rating at 240V AC and uses bolt-on mounting with box lug terminals. It is designed for use with compatible Square D NQOD panelboards and electrical distribution equipment.

Specifications

• Manufacturer: Schneider Electric / Square D
• Product Type: Molded Case Circuit Breaker
• Catalog No.: QOB3125VH
• Product Family: QO Bolt-On
• Series: QO
• Current Rating: 125A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 240V AC
• Trip Technology: Thermal-Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Interrupting Rating: 22 kAIC at 240V AC
• Mounting Type: Bolt-On
• Terminal Connection: Box Lugs
• Wire Range: 4 AWG to 300 kcmil
• Frequency: 50/60 Hz
• Ambient Rating: 40°C
• Application: Commercial and Industrial Circuit Protection
• Protection: Overload and Short-Circuit Protection
• Certifications: UL Listed, CSA Certified
• Authenticity: Genuine Square D / Schneider Electric Product

Part Numbers & Identification

• Manufacturer Part Number (MPN): QOB3125VH
• Catalog Number: QOB3125VH
• Product Family: Square D QO Circuit Breakers
• Series: QO Bolt-On
• Brand: Square D
• Manufacturer: Schneider Electric
• Product Type: Molded Case Circuit Breaker
• Model: QOB3125VH
• Breaker Configuration: 3-Pole, 125A
• UPC / GTIN: 785901065470
• upc:785901065470

Compatibility

Designed for use with compatible Square D / Schneider Electric QO Bolt-On panelboards and electrical distribution equipment, including compatible NQOD panelboards.

The QOB3125VH is intended for 3-phase, 240V AC applications and provides thermal-magnetic overload and short-circuit protection. Its bolt-on mounting and box lug terminals provide a secure connection for compatible conductors.

Always verify the specific panelboard model, approved breaker type, voltage, pole configuration, interrupting rating, conductor size, and manufacturer requirements before installation.

Certifications

• UL Listed
• CSA Certified
• 125A Rated
• 3-Pole / 3-Phase
• 240V AC Rated
• 22 kAIC at 240V AC
• Thermal-Magnetic Protection
• Long-Time and Instantaneous Trip Functions
• Bolt-On Mounting
• Box Lug Terminals
• QO Bolt-On Series
• Compatible with Listed NQOD Panelboards
• Genuine Square D / Schneider Electric Product

Returns are easy

You may return items within 10 days of delivery for a refund.

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