LD3400L - 400Amp Circuit Breaker
- 400 Amp
- 25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
- 3 Pole
Purchase Options: New In Box
LD3400L - 400Amp Circuit Breaker Description
LD3400L - 400Amp Circuit Breaker
The LD3400L is a 400-amp, 3-pole Type LD thermal-magnetic circuit breaker with an interchangeable trip unit, built to make replacement matching straightforward. For maintenance teams, electricians, and facilities working with your compatible existing or legacy electrical equipment, select the LD3400L by matching the full set of electrical and physical specifications—not amperage alone.
Key Features and Benefits
- 400A rating for applications requiring this specific current rating
- 3-pole Type LD configuration
- Thermal-magnetic circuit breaker
- Interchangeable trip unit configuration
- Rated for 40°C
- Includes both line and load terminals
- Well suited to form, fit, and functional replacement applications where the existing equipment calls for the LD3400L specifications
Technical Specifications
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Part Number: LD3400L
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Type: LD
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Breaker Type: Thermal-magnetic circuit breaker
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Trip Unit: Interchangeable
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Amperage: 400A
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Poles: 3
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AIC at 600VAC: 25kA
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AIC at 480VAC: 35kA
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AIC at 240VAC: 65kA
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Temperature Rating: 40°C
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HACR Rated: Yes
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Terminals: Line and load terminals included
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Height: 10.75 in.
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Width: 8.25 in.
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Depth: 4.06 in.
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Overall Dimensions: 8.25"W x 10.75"H x 4.06"D
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Approximate Ship Weight: 24 lbs.
Material Compliance and Certifications
The supplied specifications identify the LD3400L as HACR rated. No specific UL, CSA, IEC, RoHS, REACH, or other material-compliance or certification information was provided, so do not assume additional listings or certifications.
Where It Works Best
The LD3400L is a sensible fit for compatible existing and legacy electrical equipment designed around a 400A, 3-pole Type LD thermal-magnetic breaker. Because this model includes both line and load terminals, make sure the connection arrangement matches the installation.
For electrical compatibility, work through the system requirements carefully. At 600VAC, the specified interrupting rating is 25kA; at 480VAC, it's 35kA; and at 240VAC, it's 65kA.
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:8.25
- Height:10.75
- Depth:4.06
- Poles:3
- Amperes:400
- A.I.C. Rating & Volts:25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
- Type:LD
- Approx Dimensions:8.25"W x 10.75"H x 4.06"D
- Additional Notes:Thermal-magnetic circuit breaker with interchangeable trip unit. 40°C rated. HACR rated. This item includes line and load terminals. - discontinued by the Manufacturer
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
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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).