MES3800LSI - 800 Amp Trip Unit

MES3800LSG - 800 Amp Electronic Trip Unit

Upgrade your electrical protection with the Eaton MES3800LSG 800 Amp Electronic Trip Unit—a high‑capacity, three‑pole solution engineered for top‑notch performance in both residential and commercial circuits. With smart ground‑fault defense and ultra‑precise electronic sensing, this trip unit delivers dependable safety and seamless integration when paired with the right circuit breaker frame.

Key Features and Benefits

• Advanced electronic trip technology: Delivers highly accurate fault detection, helping keep your system safe and humming smoothly.
• 800 Amp capacity: Handles demanding electrical loads—perfect for large panels and three‑phase setups.
• Three‑pole design: Protects all three phases evenly, giving you comprehensive coverage with the right frame.
• Ground‑fault protection: Acts fast in case of unintended current leaks, improving overall safety.
• Series C build: Is known for long‑lasting performance under repeated use—built to stay dependable.
• Compact footprint (7 in × 4 in × 4 in): Lets you keep things space‑efficient when mounting inside panels.

Technical Specifications

• Amperage Rating: 800 Amps
• Poles: Three‑pole
• Trip Mechanism: Electronic
• Fault Type Guarded: Ground‑fault protection
• Series: C
• Dimensions:
  • Length: 7″
  • Height: 4″
  • Width: 4″
• Weight: 4 lb

Material Compliance and Certifications

• UL Listed: This trip unit is UL Listed, meeting rigorous safety and performance standards widely trusted across North America.
• Manufacturer: Crafted by Eaton Corporation plc, a respected global leader in power management, it undergoes strict quality control during manufacture to ensure adherence to top safety and reliability benchmarks.

Suitability

• High-demand residential setups with three-phase systems
• Commercial buildings needing reliable ground‑fault defense
• Industrial spaces where dependable, accurate protection is critical
• Retrofit or upgrade projects—simply pair with a matched frame to bring the unit into action