Description
The Eaton MES3800LSI is an electronic trip unit designed to provide advanced protection and control for molded case circuit breakers in industrial power systems. Eaton MES3800LSI offers an 800 A rating with LSI (Long-Time, Short-Time, Instantaneous) protection functions for precise fault management. It is engineered for integration with Series C breakers, ensuring reliable and configurable circuit protection.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Eaton |
| Category |
Circuit Protection |
| Part Number |
MES3800LSI |
| Subcategory |
Circuit Breaker Trip Unit |
| Product Type |
Molded case circuit breaker accessory |
| Series |
Series C |
| Trip Type |
LSI (Long-Time, Short-Time, Instantaneous) |
| Amperage Rating |
800 A |
| Frame Size |
Frame J-K |
| Protection |
Ground fault |
| Number of Poles |
Three-pole |
| Technology |
Electronic trip unit |
| Certifications |
UL Listed |
| Product Length/Depth |
9 in |
| Product Height |
6 in |
| Product Width |
5.5 in |
| Weight |
4.5 lb |
Information About MES3800LSI
The MES3800LSI is a Series C electronic trip unit developed by Eaton for use with molded case circuit breakers in Frame J-K configurations. It incorporates LSI protection functionality, allowing adjustable long-time, short-time, and instantaneous trip settings for enhanced system coordination. Designed to support up to 800 A applications, it provides dependable overload and short-circuit protection along with ground fault capabilities. This accessory is commonly used in industrial distribution systems where precise protection, system flexibility, and improved fault response are essential.
Key Features:
- LSI Protection Functions: Provides long-time, short-time, and instantaneous trip settings for accurate protection.
- 800 Amp Rating: Designed for medium to high-capacity electrical distribution systems.
- Electronic Trip Technology: Ensures precise and adjustable protection performance.
- Ground Fault Protection: Enhances system safety by detecting and responding to ground faults.
- Series C Compatibility: Engineered for seamless integration with Eaton Series C breakers.
- Frame J-K Support: Compatible with specific breaker frame sizes for flexible application.
- Three-Pole Configuration: Suitable for three-phase system protection.
- UL Listed Certification: Meets recognized safety and performance standards.
The MES3800LSI delivers the reliability and precision required for advanced protection and coordination of industrial electrical distribution systems.
