Manufacturer 3NO Air Conditioning Parts 220 Volt 3 Pole Small AC Contactor
Features
WCT series household AC contactors are suitable for controlling household appliances & similar usages low micro-load, also controlling household motors loading, whose controlling power shall be reduced, The products are used for family , hotel , apartment etc. places, And, it can be realized automatic function.
Advantage
* Convenient installation, volume reduction 70%.
* Energy consumption decreased by 75%.
* Compared with the traditional contactor, ultra quiet, less than 15dB, no worries.
Technical data
| WCT contactors-50Hz |
| | Raring(In) | Control voltage(V AC)(50Hz) | Consumption | Max.
power |
| AC7a | Holding | Inrush |
| 3P | 63 A | 220…240 | 6.5 VA | 53 VA | 2.1 W |
| Power circuit |
| Voltage Rating(Ue) 1P, 2P | 250VAC |
| 3P, 4P | 400VAC |
| Endurance(O-C) |
| Electrical | 100000 cycles |
| Maximum number of switching operation a day | 100 |
| Additional characteristics |
| Insulation voltage(Ui) | 500VAC |
| Pollution degree | 2 |
| Rated impulse withstand voltage(Uimp) | 2.5kV(4 kV for 12/24/48V AC) |
| Degree of protection
(IEC 60529) | Device in modular enclosure | IP40 |
| Tropicalization (IEC 60068-1) | Treatment 2(relative humidity 95% at 55℃) |
Working principle
The working principle of the contactor: Upon energization, the circuit with current will create a magnetic field and generate sufficient magnetic adhesion to overcome counterforce, close armature and connect the contacts.
When the coil voltage dies out or reduces to a certain value(i.e. at the state of voltage release), for the flux generated at the end face of the armature decreases, the magnetic adhesion becomes weaker than the counterforce generated by the reaction spring, contact spring, etc.
Attention
First confirm whether the product voltage, current, frequency and use category meet the requirements before use;
Second connect the control circuit first for no-load operation test and then connect the load in case of no abnormality;
Third regularly tighten the terminals and remove the deposited dust;
Dimension
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