The GE AKR8D 100 4000A 635 V is a high‑capacity low‑voltage air circuit breaker engineered to deliver dependable protection, robust performance, and precise fault interruption for large industrial, commercial, and utility power distribution systems. Manufactured by General Electric, this breaker is built to handle heavy electrical loads while ensuring system safety, continuity, and operational efficiency.

Rated at 4000 amperes and designed for use at up to 635 VAC, the AKR8D 100 breaker is ideal for primary feeder circuits, switchgear assemblies, motor control centers, and large distribution infrastructure that require high fault‑clearing capability. Its sturdy mechanical design features a durable contact system and effective arc‑extinguishing technology, enabling rapid and reliable interruption of overloads, short circuits, and other electrical faults.

The breaker incorporates advanced protection elements that allow for adjustable protection settings tailored to specific system coordination requirements. Whether employed with thermal‑magnetic or electronic trip units, the AKR8D 100 provides accurate response and selective coordination with upstream and downstream protective devices. This adaptability helps minimize equipment stress and reduces the likelihood of unnecessary outages.

Designed for ease of installation and maintenance, the AKR8D 100 supports flexible mounting options and straightforward integration into existing power distribution systems. Its modular construction facilitates accessibility for inspection, service, and future upgrades—reducing downtime and overall lifecycle costs.

Engineered for high reliability and long service life, the GE AKR8D 100 4000A 635 V breaker delivers consistent performance in demanding environments such as manufacturing plants, large commercial facilities, data centers, hospitals, and infrastructure projects. With its combination of high current capacity, rugged construction, and dependable protection, this breaker is an excellent choice for mission‑critical electrical systems where safety and uptime are key priorities.

GE AKR8D 100 4000A 635V Air Circuit Breaker, Electrically operated (EO) or manually operated mechanism (MO), Line and load terminal connectors, LSIG trip unit (Long-time, Short-time, Instantaneous, Ground fault), Racking/drawout mechanism (if applicable), Control wiring harness, Mounting hardware, Test or calibration certificate (if applicable), User manual and installation instructions, Safety and compliance documentation, Manufacturer warranty card, Original GE packaging