Square D QO390 Type QO Mini Circuit Breaker 90A (3-Pole Plug-In Mount)

Product Description

The Square D QO390 is a Type QO 3-pole thermal-magnetic mini circuit breaker rated 90 A at 120/240 VAC. It provides overcurrent protection with a 10 kA interrupting capacity and features plug-in mounting for QO load centers. The breaker includes an over-center, trip-free toggle with quick-make/quick-break action and VisiTrip visual trip indication, and accepts factory accessories such as shunt trips and auxiliary switches.

• Thermal-magnetic protection, rated 90 A at 120/240 VAC for 3-pole applications
• 10 kA interrupting capacity with plug-in mounting and screw terminal connection
• Over-center, trip-free toggle with quick-make/quick-break action and VisiTrip visual trip indication

Product Highlights

90 A, 3-pole thermal-magnetic breaker; 120/240 VAC; 10 kA interrupting capacity; plug-in mount; UL and CSA listed

Product Information

Standard Information

• Brand: SQUARE D
• Manufacturer Part Number: QO390
• Country of Origin: Mexico