Miniature Circuit Breaker, Q Series, 40A, 1 Pole, 120V AC, 10kA at 120V AC MPN:Q140
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Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G1666025
Miniature Circuit Breaker, Q Series, 40A, 1 Pole, 120V AC, 10kA at 120V AC
Protect your electrical system with the Siemens Q Series Miniature Circuit Breaker, a reliable and efficient solution for residential and commercial applications. This 40A, 1-pole breaker is designed for use in Siemens EQ Load Centers and is compatible with a variety of panelboard and load center systems. With a maximum air rating of 10kA at 120V AC, it provides superior protection against electrical surges and overloads. Easy to install and maintain, this circuit breaker features a toggle actuator and plug-in mounting style, making it a convenient choice for electrical contractors and homeowners alike.
Top product features:
- Protects against overcurrent conditions with a maximum interrupting capacity of 10kA at 120V AC
- Has a toggle actuator for easy on/off switching
- Can be installed in Siemens EQ load centers with a plug-in mounting style
Top product applications:
- Main Panel Circuit Breaker
- Branch Circuit Breaker
- Equipment Grounding Breaker
Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating 48V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center Series EQ, Phase Single, Series Q, Max. AIR Rating 10kA at 120V AC, For Use With Siemens EQ Load Centers, Terminal Connection Lug, Frame Size 125A/QP, Length 3 in, Width 1 in, Depth 3 in, Min. Wire Size 8 AWG, Max. Wire Size 4 AWG (Al), 6 AWG (Cu)
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: 2.60
- Package Width: 1.00
- Package Height: 2.80
- Package Weight: 0.30
Product info last updated on February 3, 2026 3:08pm UTC
Category: Circuit Protection