Square D QO2301021 Miniature Circuit Breaker – 30A – 2 Pole – 120/240V – Plug-In – AC Shunt Trip – QO Series

The Square D QO2301021 is a QO-series plug-in miniature circuit breaker designed for use in QO load centers, NQOD panelboards, and OEM distribution systems. It provides thermal magnetic protection against overload and short-circuit faults and includes an integrated AC shunt trip feature for remote tripping capability. This model is suitable for residential, commercial, and light industrial applications requiring dependable branch circuit protection with remote control functionality.

Electrical Ratings

• Current Rating: 30 A
• Voltage Rating: 120/240 VAC
• Frequency: 50/60 Hz
• Phase: 1 Phase
• Poles: 2 Pole
• Interrupting Rating: 10 kA @ 120/240 VAC

Protection and Function

• Trip Technology: Thermal Magnetic
• Trip Function: Common Trip (Overload + Short-Circuit Protection)
• Additional Feature: AC Shunt Trip (120/208/240 VAC)
• Protection Type: Branch circuit protection with remote disconnect capability
• Application: General distribution, lighting, and appliance circuits

Configuration and Function

• Series: QO Series (Square D / Schneider Electric)
• Model: QO
• Catalog Number: QO2301021
• Frame Type: QO Miniature Frame
• Mounting Style: Plug-On
• Terminal Type: Pressure Plate
• Compatibility: QO Load Centers, NQOD Panelboards, OEM interiors / Speed-D switchboards

Mechanical and Physical Characteristics

• Compact molded breaker body for panelboard integration
• Plug-on mounting system for fast installation
• Integrated AC shunt trip coil for remote operation
• Pressure plate terminals for secure conductor connection
• Designed for standard residential and light commercial branch circuits
• Space-efficient QO-frame construction

Standards and Certifications

• UL Listed
• CSA Certified
• Manufactured by Schneider Electric / Square D
• Designed to meet North American electrical distribution standards

Features

• Thermal magnetic protection for overload and short-circuit faults
• Integrated AC shunt trip for remote control/disconnect capability
• Plug-on mounting for QO compatibility
• Compact design optimized for panel space efficiency
• Suitable for residential and light commercial use
• Reliable performance in QO and NQOD systems
• Enhanced safety and control in a single breaker unit

Returns are easy

You may return items within 30 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.