| Brand | EPEPRO |
| Model Number | EPM3-100AR |
| Rated Current (Ie) | 100A |
| Rated Insulation Voltage (Ui) | AC690V, 50Hz |
| Rated Operational Voltage (Ue) | 3P (AC400V) |
| ATS Class | PC Class |
| Utilization Category | AC-33iB |
| Pole Number | 3P |
| Type | Mains Power Type / Photovoltaic Type |
| Rated Frequency | 50/60Hz |
| Electrical Life | 2,000 Cycles |
| Mechanical Life | 5,000 Cycles |
| Rated Short-Circuit Current (Iq) | 50kA |
| Short-Circuit Protection Fuse | RT16-00-63A |
| Rated Impulse Withstand Voltage (Uimp) | 8kV |
| Rated Control Voltage | AC220V / AC110V (US Version) |
| Auxiliary Circuit | AC220V / 50Hz |
| Contactor Switching Time | ＜50ms |
| Operating Transfer Time | ＜50ms |
| Return Transfer Time | ＜50ms |
| Power-Off Time | ＜50ms |
| Terminal Type | Circular Terminal / Circular Lug Terminal |
| Standard | IEC 60947-8-1 |
| Operating Voltage Range | 85%~110% Us |
| Installation | 35mm DIN Rail Mounting |
Product Description
ATS-EPM3 Series Dual Power Automatic Transfer Switch
The EPEPRO ATS-EPM3 Series Automatic Transfer Switch is a reliable power switching solution designed to ensure uninterrupted power supply between the main power source and backup power source. When the utility power fails, the ATS automatically transfers the load to the backup source within 50 milliseconds, maintaining continuous operation of critical electrical equipment.
Built with PC-class switching technology, the ATS offers excellent electrical performance, high switching reliability, and superior safety. It is suitable for residential, commercial, industrial, photovoltaic, and generator backup systems.
Key Features
✔ Automatic transfer between main and backup power
✔ Fast switching time ＜50ms
✔ Available in 2P, 3P, and 4P configurations
✔ Current ratings: 32A, 63A, 100A
✔ PC Class ATS for reliable power transfer
✔ Supports AC220V and AC400V systems
✔ Suitable for Utility, Generator, and Solar PV systems
✔ High short-circuit withstand capability up to 50kA
✔ Flame-retardant housing for enhanced safety
✔ DIN rail mounting for easy installation
✔ AC110V and AC220V control voltage options
✔ Compact design for distribution boards and control panels
