Wiring Type 30A Voltage Protector 1621 is suitable for air-conditioning equipment, especially high-power air-conditioning equipment (such as air-conditioning equipment within 6600W), to protect the air-conditioning from power grid fluctuations.
Wiring type 30A 6600W Air Conditioner Voltage Protector 1621 Advantage
● Voltage protection
● Transient voltage fluctuation
● Overload protection
● Delayed Time
Rated current and power:
Rated power: 6600W, which means it is suitable for air conditioning equipment with a power not exceeding 6600 watts (usually can support most household air conditioners).
Transient voltage fluctuation protection:
It can effectively prevent transient voltage fluctuations (such as voltage surges or drops) to avoid equipment damage or unstable operation caused by voltage fluctuations.
Overload protection:
When the voltage protector detects an overload (excessive current), it usually automatically disconnects the power supply to protect the air conditioner from damage.
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| Model No. | 1621 |
| Brand Name | YXST |
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Operating Voltage |
220VAC |
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Operating Frequency |
50 Hz-60 Hz |
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Over Voltage Cut-off |
255VAC (could be customized) |
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Under Voltage Cut-off |
165VAC (could be customized) |
| Delay Time for Reconnection | 30s/180s |
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Output Capacity |
30 Amps , 6600 Watts |
| Connect By | Direct Wiring |
| Standard Package |
Double Blister + Card or Color Box |
| Warranty | 1 Year |
| CARTON | Q’ | G.W | SINGLE PACK |
| 40*31.5*25.5cm | 50PCS | 12.5KGS | Color Box |
Air conditioner power supply requirements
1. Dedicated circuits and cables
- A dedicated branch circuit must be set up for the air conditioner, and the power cord should be led out from the main circuit breaker separately to avoid sharing with other high-power appliances.
- The cross-sectional area of the power cord should be selected according to the rated current of the air conditioner, for example:
- 1HP (about 750W): 2.5mm² wire is recommended;
- 3HP (about 1500W): 4mm² wire is recommended.
- If the wire is concealed, the wire diameter needs to be increased and protected by pipes.
2. Sockets and grounding
- The power socket must be 10A or above to ensure good contact and avoid sparks.
- A leakage protection device must be installed and the ground wire must be reliably connected.
Air conditioning power requirements
1. Comparison between horsepower and applicable area
| Number of horses | Cooling power（W） | Applicable area（㎡） | Applicable scenarios |
|---|---|---|---|
| 1 | 650-750 | 10-15 | Small bedroom, study room |
| 1.5 | 900-1100 | 15-25 | Master bedroom, living room |
| 2 | 1100-1300 | 25-35 | Large living room, small shop |
| 3 | 1300-1500 | 35-50 | Large living room and meeting room |
Air conditioner voltage requirements
Standard voltage range: Single-phase air conditioner (home use): 220V ±10% (198-242V), may not start if it is lower than 187V.
Voltage precautions for running air conditioners
Starting moment: When the voltage is lower than 187V, the compressor may not start; long-term low-voltage operation may easily damage the motor.
Safety test: Before installation, use a voltmeter to test the power supply stability to avoid insufficient voltage due to line aging.
