W2R3P220V ThreePhase DINRail Automatic Transfer Switch (3Pole) 100A / 63A What this product does Automatically transfers threephase power between two sources to maintain uninterrupted operation when the primary supply fails. Designed for DINrail mounting to fit neatly inside distribution and control panels for compact, organized installations. Key benefits Reduces downtime: automatic switching removes the need for manual interventions and restores power quickly when a source fails. Protects equipment: isolates a faulty supply before connecting the alternative source, preventing backfeeding and minimizing stress on connected loads. Space efficient and easy to install: DINrail format simplifies panel layout and keeps wiring tidy for maintenance and inspection. Primary features and specifications Model: W2R3P220V, 3pole configuration for threephase systems. Rated performance: specified with 63A rating and 100A transfer capacity to cover typical threephase circuits. Function: automatic transfer switching between two power inputs for continuous threephase operation. Mounting: DINrail mounted for quick installation into standard control cabinets. Appearance: Size W2R3P220V, Color 63A. Compatibility and application Works with common threephase power setups where an automatic transfer between a main supply and backup source is required. Suitable for integration with generators, uninterruptible power supplies, or secondary distribution feeds where automatic source selection is needed. Practical use scenarios Small commercial facility: Automatically switch to a backup generator when utility power fails, keeping lighting and HVAC operating without manual intervention. Workshop or light industrial site: Maintain continuity for machine tools and production lines by switching to a secondary supply during a mains outage. Remote equipment enclosure: Provide reliable threephase switching in a compact DINrail package for remote control cabinets or pump stations. Why choose this model Clear threephase support in a compact, DINrail format that simplifies installation. Dual numeric ratings included to reflect both continuous service and transfer capability for practical planning. Designed for panel integration where reliable automatic transfer is required without adding bulky hardware. Installation notes Install in accordance with local electrical codes and wiring practices for threephase systems. Ensure wiring, protective devices, and upstream equipment are coordinated with the switch ratings before commissioning. This description reflects the model W2R3P220V threephase automatic transfer switch with its 3pole design and specified ratings.