IGEYAPA 100A 4-Pole Transfer Switch W2R — DIN-Rail Auto/Manual ATS with 0.05s Changeover

IGEYAPA 100A 4-pole automatic/manual transfer switch instantly swaps between two 220V power sources to keep critical circuits powered within 0.05 seconds.

This compact DIN-rail mount transfer switch (model W2R) is built for reliable dual-power changeover in homes, RVs, small commercial circuits and solar-plus-generator setups. It supports AC 220V at 50/60Hz, offers both automatic and manual operation modes, and provides configurable over-voltage and under-voltage protection so devices stay safe when mains or backup sources fluctuate.

How does the automatic mode protect my power supply?

When set to Auto, the switch constantly monitors the primary supply and moves to the backup source without user action if the main source fails. The built-in logic changes sources in as little as 0.05 seconds to minimize downtime while LED indicators show active supply status.

• Automatic sensing of mains and backup sources
• Switching speed: typical 0.05 seconds
• LED status lights for Source A (red) and Source B (green)
• Automatic retransfer when main supply is restored

What control do I have in manual mode?

Manual mode gives you direct, tactile control: flip the left selector to Manual and move the red handle to choose Source A or Source B. This is useful during maintenance, testing, or when you need to force a particular supply regardless of automatic sensing.

• Manual selector for hand-operated switching
• Clear mechanical handle position for chosen source
• LEDs indicate the manually selected source
• Allows safe testing or isolation of supplies

What voltage protections are built into the unit?

The ATS includes defined undervoltage and overvoltage thresholds to prevent switching onto unstable supplies. Thresholds are tuned for 220V systems with recovery points that avoid rapid flip-flopping during transient line events.

• Undervoltage trigger: approximately 175V; recovery ~195V
• Overvoltage trigger: approximately 260V; recovery ~240V
• Designed for 220V/50–60Hz dual-power grids
• Choose the correct model variant for your nominal system voltage

How and where can I install this transfer switch?

The compact 4-pole ATS is designed for DIN-rail mounting inside distribution boxes (PZ30 compatible), making it suitable for indoor electrical panels and sheltered generator enclosures. Wiring accommodates four conductors so both mains and backup can be tied to the unit with clear common and backup terminals.

• DIN-rail mounting for standard distribution panels
• Four-pole design for full phase coverage
• Suitable for mains, generator and photovoltaic inputs
• Clear labeling and wiring points for easy connection

This IGEYAPA W2R ATS is constructed from durable PA6 material with high heat resistance and mechanical strength, and is aimed at users who need dependable changeover performance for critical loads. The unit is backed by a 30-day return policy and a three-year warranty; technical support is available for installation and troubleshooting.

Who this is for: electricians, system integrators and homeowners who require fast, reliable automatic or manual changeover for critical circuits — especially in small data rooms, medical backup circuits, cold storage, RVs or homes with backup generators and solar systems. If uninterrupted power to essential equipment matters, this 100A 4P ATS provides a compact, DIN-rail solution with clear status indication and selectable control modes.