Customization: | Available |
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Electricity Type: | AC |
Number of Pole: | 4 |
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Domestic Contactor 1P 2P 3P 4P 16A 20A 25A 32A 40A 63A 100A NO NC 2NO 2NC 3NO 3NC 4NO 4NC WCT DIN Rail Modular contactor
modular contactors are available in two versions:
- Contactors with manually-operated
Use of contactors from 16 to 100 A
Specifications | 16A | 20A | 25A | 40A | 63A | 100A | ||
Rated current | AC-7a | 16 | 20 | 25 | 40 | 63 | 100 | |
AC-7b | 6 | 7 | 8.5 | 15 | 20 | 30 | ||
Agreed heating current Ith(A) | 25 | 25 | 25 | 63 | 63 | 100 | ||
Rated insulation voltage Ui(V) | 500 | |||||||
Rated operating voltage Ue(V) | 250V(1P/2P) 400V(3P/4P) | |||||||
Number of main contacts | 1P | 1NO,1NC | ||||||
2P | 1NO1NC,2NO,2NC | |||||||
3P | 3NO,3NC | |||||||
4P | 2NO2NC,3NO1NC,4NO,4NC | |||||||
Control power | AC-7a | 230V | 3.5 | 4.5 | 5.5 | 9 | 14 | 22 |
400V | 6.5 | 8 | 10 | 16 | 25 | 38 | ||
AC-7b | 230V | 1.4 | 1.6 | 2 | 3.5 | 4.5 | 6.5 | |
400V | 2.4 | 2.8 | 3.4 | 6 | 8 | 11 | ||
Electrical life(times) | 10ten thousand | |||||||
Mechanical life(times) | 100ten thousand | |||||||
Maximum number of switching operations per hour | 30 | |||||||
Maximum number of switching operations per day | 100 | |||||||
Quota control power supply voltage Us(V) | AC 24/50Hz AC230/50Hz | |||||||
frequency | 50Hz/60Hz | |||||||
Class of pollution | 2 | |||||||
Rated impulse withstand voltage(Uimp) | 2.5kV(4kV--12/24/48VAV) | |||||||
Protection level (IEC60529) |
Contactor body | IP20 | ||||||
Installed in distribution box | Ip40 | |||||||
working temperature | -5ºC~+60ºC | |||||||
Storage temperature | -40ºC~+70ºC | |||||||
Hygrothermal resistance(IEC60068.1) | 2-class(At 55ºC,Relative humidity is 95%) | |||||||
ELSV(Ultra-low Safety Voltage) 12/24/48 VAC | ||||||||
Product control meets the requirements of SELV (Safe Ultra-Low Voltage) |
Note: When the contactor is installed in the distribution box, spacers must be assembled on both sides to facilitate heat dissipation.
Working principle.When the coil is electrified, the coil current generates magnetic field, which generates enough electromagnetic suction to overcome the reaction force, and the armature is sucked in to make the contact connected. When the coil voltage disappears or the coil voltage will be low to a certain value, that is, when the so-called release voltage, the magnetic flux generated by the armature end surface decreases, the electromagnetic suction begins to be smaller than the reaction force produced by the reaction spring and the contact spring. The armature of the contactor is released under the action of this reaction force, leaving the yoke, and the contact breaks off immediately.