Square D QOB1301021 Circuit Breaker 30A 240V 1 Pole

Product Description

The SQUARE D QOB1301021 is a single-pole, bolt-on miniature circuit breaker rated for 30 amps at 240 VAC. It is designed to provide overcurrent protection in branch circuit applications and mounts directly to compatible panelboard bus bars using a bolt-on connection. The pressure plate terminal accepts wire sizes from 14 to 8 AWG, making it suitable for a range of branch circuit conductor gauges. This breaker is UL Listed and CSA certified, and it is RoHS compliant. Licensed electricians install this device as part of load center and panelboard assemblies in both residential and light commercial electrical systems.

The QOB1301021 is suited for bolt-on panelboard installations requiring a 30-amp single-pole breaker on a 240-volt circuit. It is rated for use with shunt trip accessories operating at 120, 208, or 240 VAC, which makes it applicable in systems where remote trip capability is required. Typical applications include sub-panel branch circuits, equipment disconnects, and similar single-phase 240-volt loads that require reliable overcurrent protection.

Key Features

• 30-amp overcurrent protection at 240 VAC on a single pole
• Bolt-on mount type for secure installation in compatible panelboards
• Pressure plate terminal connection accommodates 14 to 8 AWG conductors
• Compatible with shunt trip accessories rated at 120, 208, or 240 VAC
• UL Listed and CSA certified for compliance with recognized safety standards
• RoHS compliant construction

Compatibility

Rated for use with shunt trip devices at 120, 208, and 240 VAC. Designed as a bolt-on replacement miniature circuit breaker for compatible Square D QOB-series panelboards and load centers.

Installation Notes

Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the panelboard and verify the absence of voltage before handling or installing this breaker. Ensure conductor sizing and torque at the pressure plate terminal comply with the breaker rating and the conductor gauge being used. Do not exceed the 30-amp or 240 VAC rating of this device.