The Square D RMS 810D DSL 416 1600A LSIG air circuit breaker from Square D is a heavy-duty low-voltage power circuit breaker engineered to provide dependable protection and control for industrial and commercial electrical distribution systems. Built on the proven DSL frame platform, this breaker is designed for high-capacity applications requiring reliable switching performance, advanced protective functions, and long operational life in demanding environments.

With a rated current of 1600A and support for three-phase power systems up to 600V class, the Square D RMS DSL416 model is suitable for use in switchgear assemblies, motor control centers, utility distribution panels, and large facility power infrastructure. The draw-out construction allows quick installation, maintenance, and replacement without major downtime, making it ideal for mission-critical facilities where operational continuity is essential.

The RMS 810D solid-state trip system provides comprehensive LSIG protection, including long-time (overload), short-time, instantaneous, and ground-fault protection. This advanced protection technology enhances system coordination, improves fault discrimination, and reduces the risk of equipment damage during abnormal electrical conditions. Electronic trip functionality also allows more precise protection settings compared with traditional thermal-magnetic breakers, improving reliability and safety across the distribution network.

Designed for durability, the breaker features robust mechanical components capable of repeated operation cycles, high interrupting performance, and dependable arc-quenching capability. Its modular architecture supports optional accessories such as shunt trips, auxiliary contacts, motor operators, and communication modules, enabling integration into automated or monitored power systems.

The Square D DSL 416 RMS 810D 1600A LSIG breaker is widely used in manufacturing plants, commercial buildings, data centers, utilities, and infrastructure projects where high current capacity and advanced protective coordination are required for safe and efficient power management.

Square D RMS 810D DSL 416 1600A LSIG Digitrip EO Air Circuit Breaker, Digitrip RMS 810D trip unit, 1600A 3-pole frame, Electrically operated (EO) mechanism, Line and load terminal lugs, LSIG protection functionality (Long-time, Short-time, Instantaneous, Ground fault), Drawout mechanism (if applicable), Control wiring harness, Mounting hardware, Test or calibration certificate (if available), User manual and installation instructions, Compliance and safety documentation, Manufacturer warranty card, Original Square D packaging