LDC3450L - 450 Amp Circuit Breaker

LDC3450L - 450 Amp Thermal-Magnetic Circuit Breaker

When you need dependable protection that handles even the toughest electrical loads, the LDC3450L Thermal‑Magnetic Circuit Breaker delivers. Rated for 450 amps and up to 600 VAC, this breaker stands up to heavy industrial and commercial demands without compromising safety. Built for adaptability and longevity, it thrives in environments that require reliable performance under pressure—so you can focus on keeping your operations running smoothly.

Key Features and Benefits

• Thermal‑Magnetic Dual Protection: Guards against overloads with its thermal response while delivering quick fault interruption via the magnetic component. That means double-layered safety for your system.
• Interchangeable Trip Unit: Fine‑tune how it trips with a customizable module that fits your use case. It’s flexible and easy to adapt.
• HACR Rated: Perfect for heating, air‑conditioning, and refrigeration systems. That extra rating means broader use across HVAC and industrial setups.
• Comes With Terminals: Includes both line and load connections to cut down on installation time and hassle.

Technical Specifications

• Poles: 3
• Ampere Rating: 450 A
• Interrupting Ratings:
  • 200 kA at 240 VAC
  • 100 kA at 480 VAC
  • 50 kA at 600 VAC
• Frame Type: LDC
• Temperature Rating: 40 °C
• Dimensions:
  • Width: 8.25 inches
  • Height: 10.75 inches
  • Depth: 4.06 inches
• Weight: 24 lbs

Material Compliance and Certifications

• High-Grade Components: Crafted from high‑grade components and made to meet stringent industrial safety and environmental standards, the LDC3450L is built to last and perform. You’re getting a breaker that aligns with global quality benchmarks—no unnecessary frills, just trustworthy reliability.

Suitability

• This circuit breaker is a tough match for heavy‑duty environments: think manufacturing plants, commercial buildings, and utility hubs. Its HACR rating gives it the edge in protecting HVAC systems, large electrical panels, and mission‑critical installations. Whether you’re upgrading an older panel or designing fresh infrastructure, the LDC3450L gives you the steady, safe performance you count on.