| Parameter | Specification |
| Rated Operational Current (Ie) | 80A |
| Rated Insulation Voltage (Ui) | AC690V |
| Rated Impulse Withstand Voltage (Uimp) | 8kV |
| Rated Operational Voltage (Ue) | 4P AC400V |
| Class | PC Class (Can withstand and make short-circuit current without protection) |
| Utilization Category | AC-31B |
| Number of Poles | 4P |
| Product Type | Mains Power Type / Photovoltaic Type |
| Rated Frequency | 50/60Hz |
| Transfer Time | 20ms |
| Mechanical Life | ≥6000 Operations |
| Electrical Life | ≥1500 Operations |
| Control Power Supply Voltage | AC110V |
| Standard | IEC 60947-6-1 |
| Operating Voltage Range | 80%–110% Us |
| Terminal Capacity | 1–25mm² |
| Ambient Temperature | -5°C to +40°C (24h average ≤35°C) |
| Storage Temperature | -25°C to +55°C, up to +70°C within 24h |
| Mounting Method | 35mm DIN Rail |
Product Description
EPEPRO EPM3-80AE Automatic Transfer Switch (ATS)
The EPEPRO EPM3-80AE Automatic Transfer Switch is a compact PC-class dual power transfer switch designed for reliable automatic switching between the main power source and backup power supply. With a fast transfer time of only 20ms, it ensures uninterrupted power delivery for residential, commercial, solar energy, and industrial applications.
Featuring an integrated manual and automatic operating mode, the EPM3-80AE provides stable performance, high electrical reliability, and long service life. The flame-retardant housing enhances safety, while the compact modular structure saves valuable installation space inside distribution panels.
Manufactured according to IEC 60947-6-1 standards, the switch supports AC220V (2P) and AC400V (4P) systems, with current ratings 80A. It is available in both mains power and photovoltaic versions, making it an ideal solution for solar systems, generators, UPS systems, and critical load protection applications.
