Square D FA100DS Type 4X Circuit Breaker Disconnect

Square D FA100DS is a stainless‑steel, Type 4X circuit‑breaker enclosure from the FA Series, designed for surface‑mount installation and rated for 100 A at up to 600 V. This corrosion‑resistant enclosure is listed for NEMA 4/4X environments and can be used in demanding indoor or outdoor settings where a reliable disconnect enclosure is required. Exterior dimensions are approximately 9.13 in wide, 4.88 in deep, and 19.5 in high, and the unit is intended to house a compatible FA‑series circuit breaker within the 15–100 A range at up to 600 V. The FA100DS provides a rugged stainless‑steel shell suitable for harsh environments and is designed to accept FA‑frame breakers with lug‑termination configurations; verify the exact FA model compatibility and termination arrangement before installation. This enclosure is commonly selected for industrial or commercial disconnect applications where a durable, weather‑resistant housing is needed to protect a circuit‑breaker assembly.