Miniature Circuit Breaker, QO Series, 40A, 3 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QOU340
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In Stock
Free Shipping
In Stock
SKU
510-G1760455
Miniature Circuit Breaker, QO Series, 40A, 3 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your electrical system with the Square D QO Series Miniature Circuit Breaker, designed for use with air conditioning and refrigeration equipment, heating, and other high-power applications. This 40A, 3-pole breaker provides reliable protection against overloads and short circuits, with a maximum air rating of 10kA at 120/240V AC. Its surface/DIN rail mounting style and toggle actuator make it easy to install and maintain. With its compact size and high-performance capabilities, this circuit breaker is ideal for use in commercial and industrial settings, including panelboards, load centers, and equipment that requires reliable and efficient power distribution.
Top product features:
- Breaks overcurrents up to 10kA at 120/240V AC
- Protects against electrical fires and damage with a 40A rating
- Has a toggle actuator for easy on/off operation
Top product applications:
- Air Conditioning and Refrigeration Equipment
- Heating
- Terminal Connection Slotted Box Lug
Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating 48V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Compatible Panelboard/Load Center Series QO, Phase Three, Series QOU, Max. AIR Rating 10kA at 120/240V AC, For Use With Air Conditioning and Refrigeration Equipment, Heating, Terminal Connection Slotted Box Lug (Reversible Line and Load), Frame Size 100A/QOU
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: 4.20
- Package Width: 2.60
- Package Height: 3.60
- Package Weight: 1.13
Product info last updated on January 15, 2026 6:09am UTC
Category: Circuit Protection