Circuit Breaker-Square D 9080 GCB40 | Square D
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The Square D 9080 GCB40 Circuit Breaker is a compact, single‑pole thermal‑magnetic circuit protector engineered for reliable over‑current protection in industrial control systems, automation panels, and machinery circuits. Designed for track or DIN‑rail mounting, it provides dependable protection while saving panel space — ideal for control cabinets, PLC enclosures, or industrial automation setups where stable and safe circuit protection is required.
Key Features:
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Thermal‑magnetic trip mechanism offers overload and short‑circuit protection for control and auxiliary circuits.
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Compact single‑pole form factor for space‑efficient installation in control panels or DIN‑rail assemblies.
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Box‑lug terminals with wire range 16–10 AWG copper for easy wiring and secure connections.
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Trip‑free design and visual trip indication for safer maintenance and easier fault diagnosis.
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Mountable on standard 35 mm GH track / DIN‑rail, facilitating modular panel design and easy replacement.
Specifications:
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Model / Part Number: 9080 GCB40
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Type: Thermal‑Magnetic Single‑Pole Circuit Breaker / Circuit Protector
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Current Rating: 4 A
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Voltage Rating: 250 VAC / 65 V DC
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Poles: 1 Pole
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Wire Size: 16–10 AWG (copper)
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Mounting: DIN Rail / 35mm GH Track / Surface Mountable via track adapter
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Standards & Approvals: UL 1077, CSA C22.2 No. 235, CE, RoHS compliant
The Square D 9080 GCB40 Circuit Breaker delivers compact, reliable circuit protection and long-term performance — an excellent choice for protecting control circuits, automation panels, and industrial electrical systems where safety, precision, and compact design are key.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.