LDC3400L - 400 Amp Circuit Breaker
- 400 Amp
- 50k @ 600VAC; 100k @ 480VAC; 200k @ 240VAC
- 3 Pole
Purchase Options: New In Box
LDC3400L - 400 Amp Circuit Breaker Description
LDC3400L - 400 Amp Circuit Breaker
Ready to get dependable protection that can handle serious power? The LDC3400L is a high‑performance, thermal–magnetic circuit breaker tailored for heavy‑duty electrical systems where safety and adaptability matter most. Built with a 3‑pole frame‑type LDC and rated at 400 amps, this breaker is a work‑horse solution for industrial, commercial, or HVAC setups that demand solid reliability under pressure.
Key Features and Benefits
- Thermal‑Magnetic Safety: Merges thermal overload protection with magnetic short‑circuit defense, offering dependable safeguards against electrical faults.
- Interchangeable Trip Unit: Lets you swap trip units as power demands evolve, giving you flexibility and future‑proofing in one package.
- High A.I.C. (Ampere Interrupting Capacity): Handles fault currents up to 200 kA at 240V, 100 kA at 480V, and 50 kA at 600V—ready for critical equipment protection.
- HACR‑Rated: Designed specifically for HVAC and refrigeration systems; ideal for both building‑wide and facility‑wide electrical control.
- Lightweight and Tough: Weighs just 24 lb but stands up to tough environments and long‑term use.
Technical Specifications
- Current Rating: 400 Amp
-
Voltage Ratings (A.I.C.):
- 200 kA @ 240 VAC
- 100 kA @ 480 VAC
- 50 kA @ 600 VAC
- Poles: 3‑pole
- Physical Size: 8.25″ W × 10.75″ H × 4.06″ D
- Frame Style: LDC
- Temperature Rating: 40 °C
Material Compliance and Certifications
- UL Listed: Meets rigorous safety and performance standards for industrial and commercial systems.
- RoHS Compliant: Manufactured without hazardous materials, supporting environmentally responsible projects.
- Engineered for Durability: Built from quality materials to handle demanding electrical environments day in and day out.
Where It Works Best
- Industrial Facilities: Powering production lines and large‑scale electrical systems where downtime isn’t an option.
- Commercial Buildings: Reliable protection tailored for offices, retail centers, and multi‑unit complexes.
- HVAC and Refrigeration Systems: Thanks to its HACR rating, it’s a great match for both chillers and rooftop HVAC units.
- Mission‑Critical Operations: Ideal for scenarios like data centers, manufacturing plants, or utilities where every amp counts.
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. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:8.25
- Height:10.75
- Depth:4.06
- Poles:3
- Amperes:400
- A.I.C. Rating & Volts:50k @ 600VAC; 100k @ 480VAC; 200k @ 240VAC
- Type:LDC
- 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.
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).