MES3800LSI - 800 Amp Trip Unit



- 800 Amp
- 600VAC
- 3 Pole
Purchase Options: New In Box
MES3800LSI - 800 Amp Trip Unit Description
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
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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
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:3.75
- Height:7.5
- Depth:3.38
- Poles:3
- Amperes:800
- A.I.C. Rating & Volts:600VAC
- Type:MES
- Sub-Category:TRIP UNIT
- Approx Dimensions:3.75"W x 7.5"L x 3.38"D
- Additional Notes:600 Volts A.C. or less, for A.C. use only, Thermal Magnetic Digitrip RMS 310 Only for MDL & HMDL Frames. Adjustable Long Delay Pickup (by Adjustable Rating Plug), Adjustable Short Delay Pickup with Fixed Short Delay Time (I2t Response) or Adjustable Short Delay Time (Flat Response), and Adjustable Instantaneous Pickup by Setting Short Delay Time to Instantaneous
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).