Eaton MES3800LSIG LSIG Electronic Trip Unit for Series C J/K-Frame MCCB 800A Adjustable Long, Short, Instantaneous & Ground Fault Protection Module

Eaton MES3800LSIG LSIG Electronic Trip Unit

The Eaton MES3800LSIG is an LSIG electronic trip unit engineered for Series C molded case circuit breakers. Designed for J-Frame and K-Frame systems, it provides reliable overcurrent and ground-fault protection while supporting precise adjustment capabilities for safer electrical distribution performance.

Why It Helps
This trip unit enhances breaker functionality with adjustable long-delay, short-delay, instantaneous, and ground-fault protection modes. Its electronic design improves accuracy and consistency compared to mechanical alternatives, supporting safer operation in commercial and industrial power environments. Integration with Eaton Series C MCCBs ensures compatibility and predictable performance across matched protection systems.

Key Highlights

• Provides LSIG protection with adjustable long-delay, short-delay, instantaneous, and ground-fault settings for tailored system protection.

• Electronic trip technology ensures precise response and improved reliability within molded case circuit breaker assemblies.

• Designed for Series C J-Frame and K-Frame breakers, ensuring correct mechanical fit and electrical alignment.

• Supports up to 800 A operation when used with the appropriate Eaton rating plug (sold separately).

Applications
Ideal for commercial and industrial electrical distribution systems requiring adjustable circuit protection within Eaton Series C breaker assemblies. Suitable for MCCB configurations where LSIG protection and configurable trip characteristics support enhanced system reliability and operational safety.