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WNTS40/4AV CLASS PC 40A AC33B/AC33A

The Schneider Electric WNTS40/4AV is a four‑pole manual changeover switch designed for low‑voltage power distribution and control applications. It enables safe manual selection between two supply sources or circuits for operation, isolation, or maintenance purposes. The switch is rated for 40 A continuous current and is suitable for switching resistive and moderately inductive loads typical in AC distribution networks.

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Specifications General Product Type: Manual Changeover Switch / Selector Switch Series / Model: WNTS40/4AV Number of Poles: 4 (three phases + neutral) Rated Current: 40 A Utilization Categories: AC‑33A: General switching of resistive or light inductive loads AC‑33B: Switching of mixed motor and general loads Mounting: Panel mounting with front‑operated handle Electrical Ratings Rated Operational Voltage (Ue): Suitable for low‑voltage AC systems (e.g., 230/400 V AC three‑phase) Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): Appropriate for low‑voltage distribution environments Rated Impulse Withstand Voltage (Uimp): Designed to withstand transient voltages typical in distribution systems Switching & Performance Switch Type: Manual rotary handle changeover Contact Configuration: Four‑pole isolation and switching of all phases plus neutral Make/Break Capability: Engineered for frequent manual operation and switching of typical loads Contact Material / Durability: Designed for reliable electrical contact over repeated cycles Mechanical & Environmental Handle Operation: Front‑mounted handle with clear position indication Mechanical Durability: Built for repeated mechanical operations Terminal Connections: Screw/clamp type terminals for secure conductor connection Installation: Designed for integration into distribution panels and control cabinets Operating Environment: Indoor electrical distribution settings