ELECTRICAL DATA OVERVIEW
Here’s the same table of the main three-phase electrical voltages and frequencies used in different countries around the world :
| Country / Region | Voltage (Volts) | Frequency (Hertz) |
|---|---|---|
| North America | 120/208 | 60 |
| 277/480 | ||
| Central America | 208/220/230/240 | 60 |
| South America | 220/380 | 60 |
| Europe | 230/400 | 50 |
| 240/415 | ||
| Africa | 220/380 | 50 |
| Asia | 220/380 | 50 |
| 230/400 | ||
| 240/415 | ||
| Australia | 230/400 | 50 |
| Middle East | 220/380 | 50 |
Please note that these voltages and frequencies may vary slightly from country to country and can also depend on specific regional regulations. Additionally, in some cases, voltages may be available in different configurations (e.g., 120/208 volts or 277/480 volts) to meet various industrial and commercial needs. It’s always important to check local standards before installing or using electrical equipment in a given area.
Performance depending also on power supply
A refrigeration compressor is an electromechanical device designed to compress refrigerant through a refrigeration circuit. Compressor performance depends on a number of factors, including power supply voltage and frequency.
So when you supply a refrigeration compressor with 400VAC at 50 Hz and another with 440VAC at 60 Hz, performance may vary due to differences in rotation speed and electrical power.
Warning : Electrical risks for air conditioners
We would like to inform you of the potential electrical risks associated with power surges, voltage drops or neutral breaks in your electrical network and the specific implications for your air conditioners.
Voltage surges, voltage dips and neutral breaks are electrical phenomena that can occur in the electrical network due to various factors such as load variations, insulation faults, equipment failures or weather incidents. These events can have significant effects on connected electrical equipment,
including air conditioners, and can lead to property damage, operating failures and safety hazards.
The following is a non-exhaustive analysis of the potential risks to air conditioners associated with these electrical events:
Damage to electrical components : Transient overvoltages can induce excessive surges in the electrical circuits of air conditioners, leading to failure of sensitive electronic components such as control circuits, relays and thermal protection devices.
Compressor failure : Voltage surges and dips can affect compressor motor operation, causing the motor to overload or undervoltage, which can lead to premature failure, loss of system efficiency and increased energy consumption.
Fire safety risks : Power surges can cause arcing in air conditioner contacts and switches, increasing the risk of fire, especially in flammable or poorly ventilated environments.
To mitigate these risks, the following measures are recommended:
- Install industrial-grade surge protection devices upstream of air conditioners to divert surges and protect sensitive equipment.
- Install voltage regulation devices to stabilize the supply voltage to air conditioners and compensate for voltage fluctuations.
- Carry out regular inspections of electrical installations to detect and correct potential problems such as insulation faults, loose connections or abnormal operating conditions.
By taking these preventive measures, you can reduce the risk of air conditioner failure and ensure safe, reliable operation in your electrical environment.