MT3450T - 450 Amp Trip Unit

MT3450T - 450 Amp Thermal-Magnetic Trip Unit

Upgrade your electrical protection system with the Eaton MT3450T—a reliable thermal‑magnetic trip unit that delivers dependable performance when paired with MDL or HMDL series breakers. With a hefty 450 Amp rating, this trip unit offers peace of mind for industrial and commercial setups. It’s built to tackle overcurrent and short-circuit challenges without fuss, delivering the safety you need and the seamless fit your system deserves.

Key Features and Benefits

• High Amperage Capacity: With a 450 Amp rating, this trip unit easily handles demanding loads—perfect when paired with the right frame.
• Dual-Action Protection: The built‑in thermal component protects against overloads, while the magnetic component reacts fast to short circuits, keeping your system safeguarded.
• Seamless Compatibility: Crafted specifically for Eaton’s MDL and HMDL series, it snaps in effortlessly for fuss-free integration.
• Built to Last: Designed with durable materials that stand up to rough conditions, this trip unit handles daily demands with confidence.
• Clean Integration: It enhances your system’s safety, staying out of the spotlight but keeping everything running smoothly.

Technical Specifications

• Trip Type: Thermal‑Magnetic
• Amperage Rating: 450 Amp
• Poles: Three‑Pole
• Compatibility: Specifically for MDL and HMDL series breakers
• Frame Size: J–K
• Series: C
• Dimensions:
  • Depth: Approximately 7″
  • Height: Approximately 4″
  • Width: Approximately 4″
• Weight: Around 3 lbs

Material Compliance and Certifications

• UL Listed: This trip unit is UL Listed, meaning it's tested and approved for safety and performance—essential when paired with a compatible frame.
• Eaton Reputation: Eaton’s reputation matches the product itself: dependable and industry-approved.

Where It Works Best

• The MT3450T is your go-to choice in industrial and commercial environments where dependable circuit protection is non-negotiable. It’s especially handy in setups that demand both overload and short‑circuit defense. When installed in MDL or HMDL frames, it gives you worry-free operation and stable power distribution—so your business keeps humming.