Miniature Circuit Breaker, QO Series, 90A, 3 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QOB390
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In Stock
Free Shipping
In Stock
SKU
510-G1334286
Miniature Circuit Breaker, QO Series, 90A, 3 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your electrical system with the Square D QO Series 90A 3-Pole Miniature Circuit Breaker. Ideal for residential and commercial applications, this circuit breaker provides reliable overload and short-circuit protection for your electrical panel. With a high interrupting capacity of 10kA at 120/240V AC, it can handle demanding loads. Its compact design fits easily into Square D NQOD panelboards, making it a convenient solution for new installations or upgrades. The QO Series circuit breaker is a trusted choice for professionals and homeowners alike, offering peace of mind and protecting against electrical hazards.
Top product features:
- Triples the protection for three-phase applications with a three-pole design
- Protects against overloads and short circuits with a 90A rating
- Meets high fault current requirements with a 10kA maximum air rating
Top product applications:
- Main electrical panel breaker
- Distribution board breaker
- Industrial electrical panel breaker
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 Bolt On, Compatible Panelboard/Load Center Series QO, Phase Three, Series QOB, Max. AIR Rating 10kA at 120/240V AC, For Use With Square D NQOD 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: 3.90
- Package Width: 2.50
- Package Height: 3.10
- Package Weight: 1.08
Product info last updated on February 1, 2026 1:08am UTC
Category: Circuit Protection