RC3840 - 40Amp Circuit Breaker
- 40 Amp
- 10k @ 120/240VAC
- 2 Pole
Purchase Options: New Aftermarket Replacement
RC3840 - 40Amp Circuit Breaker Description
RC3840 - 40Amp Circuit Breaker
The RC3840 40 Amp Circuit Breaker is built to deliver steady, dependable protection for your electrical system. Whether you're handling a home renovation, outfitting a commercial space, or working on light industrial equipment, this breaker is made to handle the job. Its compact plug-on design makes it easy to install without wasting panel space. More importantly, its thermal-magnetic mechanism kicks in right when it's needed—shutting off power fast in the event of an overload or short circuit.
Key Features and Benefits
- Compact Fit: Slim plug-on style helps save room in your panel, especially helpful for tight or upgraded installations.
- Reliable Protection: Built with thermal and magnetic trip elements that act quickly to shut down unsafe power levels.
- 10k AIC Rating: Handles high fault currents in 120/240V systems with ease, offering better protection during unexpected surges.
- Multi-Use Compatibility: A solid option for residential wiring, business applications, or light-duty industrial projects.
- Built to Last: Uses quality materials to ensure long-term performance without frequent replacements or wear.
Technical Specifications
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Poles: 2
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Amperage: 40A
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Voltage: 120/240VAC
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A.I.C. Rating: 10,000
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Dimensions:
- Width: 0.75 inches
- Length: 4.81 inches
- Depth: 2.50 inches
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Weight: 1.75 lbs
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Frame Type: RC38
Material Compliance and Certifications
- Industry Standards: The RC3840 meets current UL and ANSI standards, and goes through rigorous quality testing for circuit protection. You can count on it for safety, durability, and peace of mind during every installation.
Where It Works Best
- This breaker is a go-to for electricians and contractors looking for a practical, high-performing option in everyday projects. From home electrical panels to small commercial jobs, the RC3840 does what it’s supposed to—quietly and effectively.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:0.75
- Height:4.81
- Depth:2.5
- Poles:2
- Amperes:40
- A.I.C. Rating & Volts:10k @ 120/240VAC
- Type:RC38
- Approx Dimensions:0.75"W x 4.81"L x 2.50"D
- Additional Notes:Space-Saving' Plug-On, Thermal-Magnetic Circuit Breaker. *Note: As this item is no longer manufactured, in it's place, we are offering a New after-market replacement circuit breaker specially designed to replace and fit into the existing location of the RC38-40.
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).