Miniature Circuit Breaker, QO Series, 90A, 3 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QO390
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In Stock
Free Shipping
In Stock
SKU
510-G1407996
Miniature Circuit Breaker, QO Series, 90A, 3 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your electrical systems with the Square D QO Series 90A 3 Pole Miniature Circuit Breaker. Designed for use with QO Load Centers and NQ Panelboards, this circuit breaker offers reliable performance and efficient protection. With a maximum air rating of 10kA at 120/240V AC, it provides enhanced safety and peace of mind. Suitable for a wide range of applications, including residential and commercial settings, this circuit breaker is ideal for use in areas with high electrical demand. Its compact design and plug-in mounting style make it easy to install and replace, ensuring seamless operation and optimal system performance.
Top product features:
- Protects against overcurrent conditions with a 90A rating
- Trips at 10kA to prevent damage from severe electrical surges
- Has a 3-pole design for safe and reliable operation in three-phase electrical systems
Top product applications:
- General purpose circuit protection in residential and commercial applications
- Circuit protection in three-phase 120/240V AC systems
- Protection of QO Load Centers and NQ Panelboards
Miniature Circuit Breaker, Amps 90 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center Series QO, Phase Three, Series QO, Max. AIR Rating 10kA at 120/240V AC, For Use With QO Load Centers and NQ Panelboards, Terminal Connection Lug, Frame Size 100A/QO, Length 3.5 in, Width 2.25 in, Depth 2.91 in, Min. Operating Temp. 77 Degrees F
Additional Information
- Country of Origin: MX
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 3.70
- Package Width: 3.40
- Package Height: 2.30
- Package Weight: 1.06
Product info last updated on March 16, 2026 4:08pm UTC
Category: Circuit Protection