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31. Several chamber with different configurations are designed for the AC contactor, which rated current is 63A .

32. The utility model belongs to a welding holder type controller used for controlling the on-off of a welder, mainly comprising a transformer, a contactor, a relay and a switch indicator circuit.

33. The Bypass Contactor must have an AC 1 rating equal to or greater than the motor FLC.

34. Under the cut-in wind speed, the computer controls soft-cut-in network while the main contactor is delayed in action, then the wind turbine is getting into normal performance as generator.

35. By using late-model chip, the dynamic control was adopted in breaking process for AC contactor to realize zero current interrupt, which traditional AC contactor cant realize.

36. The utility model relates to a contactor used for controlling the switching on and the switching off of an AC circuit.

37. A SCR ( silicon controlled rectifier ) or thyrister can also be substituted for the contactor.

38. The paper introduces the method and monitoring result of reliability test research on auxiliary contact of 3TB40 AC contactor.

39. Check, fasten and exchange the connecting wire of contactor and heater regularly, it causes wiring to generate heat, strike sparks etc. to prevent the junction from becoming flexible.

40. Control electric box or circuit board with contactor, relay, or triac that switches to the compressor.

41. So, output signal but the contactor with direct general drive and relay.

42. Inside is installed AC contactor, thermal relay, self-settable universal conversion switch.

43. Making use of arc image gathering system that base on high-speed picture frequency CCD technique, we proceed arc imagine gathering on CJX1 - 12/22 AC contactor.

44. This module can show the contactor control schematic diagram and the electronic control circuit schematic diagram, printed circuit board drawing and element list.

45. The static characteristics analysis is the base of the optimization design of AC contactor operation electromagnet.

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46. The fiber membrane contactor technology and its application in caustic washing of cis-1,4-polybutadiene rubber unit are introduced.

47. With the new contactor, the problems of conventional, block bearing river bottom contactor were resolved completely.

48. The traditional relay and contactor hard logical of double feed motor speed regulation system is replaced by microcomputer system which realising the operation, protection and monitor of system.

49. The endurance of contactor under the AC 4 duty condition has close relation with arc quenching performance of arc chute.

50. The original K - F - D system was replaced by SCR - D system for main transmission, while PLC was substituted for the original relay contactor control mede.