EHD3040 - 40Amp Circuit Breaker



- 40 Amp
- 14k @ 480VAC; 18k @ 240VAC
- 3 Pole
Purchase Options: New In Box
EHD3040 - 40Amp Circuit Breaker Description
EHD3040 - 40Amp Circuit Breaker
When you need a dependable replacement for an existing Eaton EHD3040 circuit breaker, matching the original specifications matters. This 40 Amp, 3-pole Eaton Series C molded case circuit breaker is designed to provide the form, fit, and function required for compatible electrical distribution systems. Featuring a T186 thermal-magnetic trip unit, it helps protect electrical equipment by responding to overloads and short circuits while maintaining the electrical characteristics your system was originally designed around.
Whether you're replacing a failed breaker during routine maintenance or restoring equipment to service, this breaker delivers the compatibility and protection needed without requiring modifications to the original installation.
Key Features and Benefits
- 40 Amp continuous current rating
- Three-pole configuration for three-phase electrical systems
- Eaton Series C complete molded case circuit breaker
- EHD circuit breaker design
- F-frame construction for compatible equipment
- T186 thermal-magnetic trip unit provides overload and short-circuit protection
- Rated for 50/60 Hz operation
- Load-side terminals
- Built to last for long-term service
- Designed as a form, fit, and functional replacement for compatible Eaton EHD applications
Technical Specifications
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Manufacturer: Eaton
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Catalog Number: EHD3040
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Product Type: Molded Case Circuit Breaker
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Series: Series C
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Circuit Breaker Type: EHD
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Frame: F
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Frame Type: Complete Breaker
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Amperage Rating: 40 Amps
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Number of Poles: 3
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Trip Unit: T186 Thermal-Magnetic
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Frequency: 50/60 Hz
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Interrupt Rating: 18 kAIC at 240 VAC; 14 kAIC at 480 VAC
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Terminals: Load Side
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Dimensions:
- Length: 3.38 in.
- Width: 4.13 in.
- Height: 6.00 in.
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Weight: 4.35 lbs
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UPC: 786679317129
Material Compliance and Certifications
- UL Listed
- Manufactured to Eaton published specifications
- Covered by Eaton's published warranty policy
Where It Works Best
The Eaton EHD3040 is commonly used in commercial, industrial, and institutional electrical distribution systems that require a 40 Amp, 3-pole molded case circuit breaker. It is compatible with applications designed for the Eaton Series C EHD F-frame platform, including panelboards, switchboards, motor control equipment, and distribution panels. As a form-, fit-, and function-replacement, it helps maintain the original design and protective characteristics of compatible electrical systems, making it a practical solution for maintenance, repairs, and equipment restoration.
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.
Eaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Edison®, Edison Fuse®, GTE Sylvania®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are NOT supplied by Eaton Corporation plc or its affiliates.
Specifications
- Width:4.13
- Height:6.0
- Depth:3.38
- Poles:3
- Amperes:40
- A.I.C. Rating & Volts:14k @ 480VAC; 18k @ 240VAC
- Type:EHD
- Approx Dimensions:4.13"W x 6.00"H x 3.38"D
- Additional Notes:Thermal-magnetic circuit breaker with non-interchangeable trip unit. 40°C rated. This item includes load terminals.
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE ground shipping on breaker orders over $100 and all other items with orders over $500.
Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.
If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.
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).
