MC3800F - 800 Amp Max. *Frame Only*

MC3800F Thermal‑Magnetic Circuit Breaker Frame

Upgrade your industrial three‑phase setup with the MC3800F Thermal‑Magnetic Circuit Breaker Frame—designed for power‑workers and maintenance pros who demand both flexibility and reliability. This frame takes on high‑current duties up to 800 A at 480 VAC and pairs easily with your own choice of trip unit, offering a customizable protector that adapts to the job—not the other way around.

Key Features and Benefits

• High amperage support – Takes on circuits up to 800 amps, making it ideal for high‑demand industrial environments where current capacity matters most.
• Smooth overload and short‑circuit protection – The thermal‑magnetic combo defends your system against common faults, all within a compact, smartly designed frame.
• Customizable rating – Compatible with interchangeable rating plugs, so you can tailor the breaker's response without replacing the whole frame—handy for fast fixes or future upgrades.
• Maintenance‑friendly design – Being a frame‑only model, it lets you reuse existing trip units and components. That keeps setup simple, lowers part costs, and speeds up your work when time is tight.

Technical Specifications

• Poles: 3‑pole configuration for true three‑phase protection
• Voltage Rating: 480 VAC—perfectly matched to most heavy industrial applications
• Maximum Amperage: 800 A to handle powerful electrical loads
• Size:
  • Width: Approximately 8.25″
  • Length: Approximately 16.00″
  • Depth: Approximately 4.00″
• Temperature Rating: 40 °C ambient max, keeping its cool where other units might struggle

Material Compliance and Certifications

• Constructed with components that meet industry standards for circuit protection. The MC3800F frame doesn't skimp on safety—every part is sourced with quality in mind, aligning with established electrical safety certifications to keep your installation sound and dependable.

Suitability

• The MC3800F shines in situations where you want to refresh or upgrade only the frame, while keeping your existing trip units or plugs. If you're doing maintenance, swaps, or building multi‑unit panels from scratch, this frame‑only setup saves you money, time, and effort. It's beneficial when quick adaptability is key—add the trip unit that fits your challenge later, and you're back in business without skipping a beat.