Miniature Circuit Breaker, QO Series, 45A, 3 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QOU345
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In Stock
Free Shipping
In Stock
SKU
510-G2017364
Miniature Circuit Breaker, QO Series, 45A, 3 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your electrical system with the Square D QO Series 45A 3 Pole Miniature Circuit Breaker. Ideal for use with air conditioning and refrigeration equipment, heating systems, and more, this circuit breaker provides reliable protection against overloads and short circuits. With a maximum AIR rating of 10kA at 120/240V AC, it's designed to handle high electrical demands. The toggle actuator and slotted box lug connections make installation and maintenance easy. The compact design fits perfectly on surface-mounted panels or DIN rail, making it a versatile solution for a variety of electrical applications.
Top product features:
- Protects against electrical overloads with a maximum interrupting rating of 10kA at 120/240V AC
- Can be used in three-phase applications due to its three-pole design
- Features a toggle actuator for easy circuit breaker operation
Top product applications:
- Air Conditioning and Refrigeration Equipment
- Heating
- Terminal Connection Slotted Box Lug (Reversible Line and Load)
Miniature Circuit Breaker, Amps 45 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: 3.60
- Package Height: 2.60
- Package Weight: 1.05
Product info last updated on February 22, 2026 9:31pm UTC
Category: Circuit Protection