Specifications Specification Typical Value / Description Product Type Manual switch‑disconnector / load‑break safety switch Manufacturer Schneider Electric (or Square D by Schneider) Model / Family WNTS100B/4AV (interpreted as 100 A, 4‑pole) Number of Poles 4 poles (4P) — three phases + neutral Rated Current (Ie) 100 A (operational current rating) Rated Operational Voltage (Ue) Up to 690 V AC, 50/60 Hz (typical for LV switch‑disconnectors) Rated Insulation Voltage (Ui) 1000 V AC (typical IEC switch rating) Short‑Circuit Making Capacity (Icm) Depends on exact model; typical switch bodies are designed to comply with IEC 60947‑3 categories such as AC‑23A/AC‑22A at rated current. Utilisation Category AC‑23A / AC‑22A (industrial power switching & isolation) Mounting Fixed panel or enclosure mounting Handle Operation Manual rotary/lever handle (typically padlockable in OFF position) Standards Compliance IEC 60947‑1, IEC 60947‑3 (switch‑disconnectors) Isolation Function Provides clear ON/OFF isolation of electrical circuits Typical Use Cases Main isolator in switchboards, service disconnect, safety disconnect for motors or distribution feeders