Square D QOB390 Miniature Circuit Breaker 90A 240V 3Ph Bolt-On

Product Description

The Square D QOB390 is a miniature circuit breaker with a rated current of 90A and is suitable for 240V three-phase systems. Designed for bolt-on mounting, this circuit breaker ensures reliable overcurrent protection in various electrical applications.

• Three-pole configuration for enhanced circuit protection
• Quick make and break action with clear trip indication
• Suitable for HACR rated applications

Product Highlights

The QOB390 is equipped with multiple safety features, including a trip-free toggle mechanism. Its compact size makes it ideal for applications requiring effective power distribution.

Product Information

Standard Information

• Brand: Square D
• Mounting Type: Bolt-on

Technical Specifications

• MPN: QOB390
• Type: Miniature Circuit Breaker
• Current: 90 Amp
• Voltage: 120 Volt
• Amperage: 90 Amp
• Number of Poles: 3 Pole
• Breaking Capacity: 10 kAIC
• Operating Temperature: 40 degrees C