3100-20Q18999C

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A contactor is an electrically-controlled switch used for switching an electrical power circuit. The 3100-20Q18999C is a multi-pole, 50/60 Hertz (Hz) auxiliary contactor designed for AC applications. It operates in direct-on-line (DOL) or star-delta (Y-δ) starting methods at rated operational voltage up to 690 Volts (V) AC.

The 3100-20Q18999C contactor is designed for use across a wide range of applications. It is a great contactor for motor control applications including lift control, conveyor drive and mobile equipment, fans, pumps, compressors and other industrial applications. Its robust construction and ease of use makes it ideal for use in service access locations and protective applications.

The 3100-20Q18999C contactor features two, six, or nine poles, making it highly flexible and adaptable to different uses. The control circuit features a push-to-turn function for quicker reactivation than twisting, and its contact system can be operated in three different modes to suit your needs. A simple push of the contact block allows for either a maintained or momentary mode change.

The 3100-20Q18999C contactor has a trip free mechanism which ensures safe operation and smooth continuous switching during operation. The pressure plates are actuated in a smooth and quiet manner by two independently moving metal strips, the contact tips do not require maintenance for continuous use. The operating temperature range of the contactor is -25 to +70° Celsius, it is designed with a high degree of protection from dust, water, humidity and conducted interference.

The current AC-3 rating of the 3100-20Q18999C contactor is 18A @ 380-440V. It has a frequency range of 50/60 Hz and is rated for a maximum voltage of 690VAC and a minimum of 50VAC. The contactor has a power rating of 3.7 kW (4.9 HP). It has a very low voltage drop of only 0.7 VDC and a switching speed of 0.11 ms.

The working principle of the 3100-20Q18999C contactor is that when the control circuit is switched on, the contactor is automatically activated and the output current, which the contactor can drive, is determined by the size of the contactor. When the current flow is large enough, the magnetic field created by the current attracts the contactor armature and the connection is made. When the current flow is stopped, the armature springs back into its original position and the connection is broken.

The 3100-20Q18999C contactor has been a popular choice for several applications due to its robust constructions, low voltage drop, long electrical life, and simple operation. It is suitable for use in a variety of applications such as lift control, conveyor drives and mobile equipment, fans and pumps, compressors, and protective applications. Overall, its design makes it an ideal contactor for any industrial or commercial applications and a great choice for motor control applications.

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