Description
Scope
EP is mainly used for electrical equipment cabinets or three-phase asynchronous motor load start shifting and steering, used as the main and auxiliary circuits conversion, can fully replace other switches.
Type Designation
EP
- 20A has A and B, represented by A and B
- Operation Figure number or auxiliary specification code
- Rated thermal current
- Universal Changeover Switch
| Main Technical Parameters | Model Specification | EP-20 | EP-25 | EP-32 |
| Rated Thermal Current (A) | 20 | 25 | 32 | |
| Rated Operating Voltage (V) | 110 | 220 | 440 | |
| Rated operating current | AC-21A (A) | 20 | 6 | 20 |
| AC-22A (A) | 6 | 20 | 32 | |
| DC-20 (A) | 20 | 25 | 32 | |
| Rated control frequency | AC-23A (kW) | 7.5 | 11.5 | 15 |
| AC-3 (kW) | 4.5 | 7.5 | 15 | |
| AC-4 (kW) | 22 | 5.5 | 22 | |
| DC-23 (kW) | 0.77 | 1.3 | 2.2 |
EP Changeover Switch Uses
In many different electrical systems, an EP Changeover Switch performs a number of vital tasks. Some of the main applications for these switches are listed below:
1. Systems for Power Backup
Backup power systems, such those that employ generators or uninterruptible power supplies (UPS), are among the most popular applications for EP changeover switches. In the event of a power outage, the switch manually shifts the load from the primary power source to the backup power source, guaranteeing that vital equipment continues to function.
- Solar Power Systems •
EP changeover switches, which alternate between solar and grid power, are also utilized in solar power systems. The switch links the solar power system to the load during the day when the solar panels are producing electricity. The switch manually connects the system to the grid at night or in situations where solar power is not enough.
3. Commercial and Industrial Uses
To provide an uninterrupted power supply to machinery and equipment, EP changeover switches are widely used in factories, commercial buildings, and industrial plants. The switch minimizes downtime by ensuring an instant switch to the backup system in the event of the primary source failure.
4. Residential Backup Power
To guarantee residential power continuity in houses, particularly in regions that frequently experience power outages, an EP changeover switch can be used in conjunction with a generator. In the event of a power outage, this switch manually connects the home’s electrical system to a backup generator.
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