Product description:
1, The module complies with international safety standards, control area load area isolation groove;
2, Genuine relay Songle;
3, With the power and relay action instructions, pull bright disconnect does not shine;
4, When a signal in the signal input terminal, the common terminal and the normally start conduction;
5, Microcontroller development board can be used as a module that can be used as a home appliance control;
6, The control of the DC or AC signal, can control 220V AC load;
7, There is a normally open and a normally closed contact;
8, Blue KF301 terminals to the line of control is more convenient.
Description of the high and low trigger, friends do not understand Take a look at:
High level trigger is a trigger voltage between the signal input and ground can be understood as a way of the signal input terminal and VCC cathode short trigger;
Low trigger means is the voltage between the signal input terminal and the ground for the OV trigger mode can be understood as a way of the signal input terminal and GND negative short trigger
1. We can ship the items by DHL, FedEx, TNT, UPS, EMS, Aramex and China Mail Post.
2. We need 1-3 days to process the goods after the payment arrived.
3. We are not responsible for any accidents or delays when goods were picked by logistics company.
4. The buyers should be responsible for the import fees when goods arrived at the destination.
1. We accept PayPal, Trade Assurance, MonryGram, Western Union and Bank T/T.
2. FOB price, not including shipping cost and trading charges.
3. The buyers should be responsible for the trading charges.
4. The prices we quoted are correct at this time, but maybe subject to change after few days because of the currency fluctuations and the order quantity.
1.We provide 30-90 days warrantly.
2.About the payment terms,we can accept Bank Transfer, Paypal, Western Union, MoneyGram, Alipay and Ecrow terms.
3.Prices quoted are correct at time of this quotation but may be subject to change after one week due to
currency fluctuations and change to quantity ordered.
4. If some of the items you received aren't of perfect quality,
we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
5. Stock availability subject to previous sales. All parts quoted are
new and unused and are in original factory packaging unless specified.
6. BEFORE PLACING PURCHASE ORDER RE-VALIDATE QUOTATION.
7. We depend on our customer satisfaction to succeed. Therefore, your feedback is extremely important to us.
Our company as a professional Electronic wholesaler for several years fast developing have already beening a famous trading corporation,
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If you have any other questions please feel free to contact us in any time.