2x FK407 TIMER SWITCH OFF RELAY DELAY 15MINUTE TO 10HR,CIRCUIT BOAR,UN-ASSEMBLED, US $33.18 – Picture 0

2x FK407 TIMER SWITCH OFF RELAY DELAY 15MINUTE TO 10HR,CIRCUIT BOAR,UN-ASSEMBLED, US $33.18 – Picture 1

2x FK407 TIMER SWITCH OFF RELAY DELAY 15MINUTE TO 10HR,CIRCUIT BOAR,UN-ASSEMBLED, US $33.18 – Picture 2

2x FK407 TIMER SWITCH OFF RELAY DELAY 15MINUTE TO 10HR,CIRCUIT BOAR,UN-ASSEMBLED, US $33.18 – Picture 3

2x Fk407 Timer Switch Off Relay Delay 15minute To 10hr,circuit Boar,un-assembled

US $33.18

Bangkapi, BA, Thailand
Jun 9th

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2x FK407 TIMER SWITCH OFF RELAY DELAY 15MINUTE TO 10HR,CIRCUIT BOARD, UN-ASSEMBLED KIT (2 Pcs.) Detail: The FK407 timer switch circuit uses a switched-range counter to achieve long time intervals for controlling appliances and processes in periods from 15 minutes to 10 hours in 14 ranges. Technical data - Power supply : 12VDC. - Electric current consumption : 50mA. (max.) - Adj. timer : selector switch - Maximum load : 5A@220VAC - IC board dimension : 2.76 in x 3.13 in. - Recommended housing: FB04 How does it work The circuit functions when the start switch is pressed. Then the switch is released resulting TR1 and TR2 to remain working so do TR2, the relay, IC1 and IC2. LED lights to show operation state. IC1 oscillates and divides a frequency passed on pin 3 through the collector of R4 to pin 14 of IC2. IC1 and IC2 function as frequency dividers in order to set time. The selector is available for adjustment of turning off time with 12 choice that are 15 minutes, 30 minutes, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 hours accordingly. When the set time is over, the voltage is distributed through the middle of the selector to the base of TR3. TR3 is therefore shorted the base of TR2 to the ground. Then TR2 and TR3 do not function resulting the collector of TR1 is present with any voltage so the relay and whole circuit do not work out. In addition, LED is unlighted showing time is over. If the start switch is pressed again the turned off time will be reset. Besides, the stop switch is available for cancelation of time setting. Circuit assembly The assembly of components is shown in Fig. 2. For good looking and easy assembly, the shorter components should be first installed - starting with low resistant components and then the higher. An important thing is that diodes, electrolyte capacitors, and transistors shall be carefully assembled before mounting them onto their right anode/cathode of the IC board otherwise it might cause damage to the components or the circuit. Configuration of the anode and the cathode is shown in Fig 3. Use the soldering iron/gun not exceeding 40 watts and the solder of tin-lead 60:40 with flux within. Recheck the correctness of installation after soldering. In case of wrong position, just use lead absorber or lead extractor wire to avoid probable damage to the IC. Testing Connect jumper J to PC-board. Then connect the timer switch circuit at "IN 220V" point and connect the unit at "OUT 220V" point. Connect the power supply 12VDC to the PC-board. Therefore, LED is unlighted and the aooliance does not function. Turn the selector in order to let its contact face to contact the terminal at 1H. After that press the start switch. At this stage LED1 lights as well as the appliance works out for 7 seconds and automatically stop. If the appliance does not function in this fashion, adjust VR1 and press the start switch again. Make a test many times until the result is that the appliance works for 7 seconds. Adjust the selector to point, the circuit will auto-matically turn off follow setting (jumping J1), 1H=7 sec., 2H=14 sec., 3H=21 sec., 4H=28 sec., 5H=35 sec., 6H=42 sec., 7H= 49 sec., 8H= 56 sec., 9H=63 sec., 10H=70 sec., 15H=15 min., 30H=30 min. If remove jumper J1 from the PC-board, the circuit will set time at 15 min., 30 min., an hour to 10 hours as the selector contact to which spot, 1H=1 hour and 10H=10 hours. If a counter is provided to count resolving time at "T" point that should be 0.219, the time will be more accurate. 2. Disconnect point J and set the time about 90 seconds up to three hours. Remark: This circuit is compatible with power supply of 300mA @ 6/9/12VDC Free Shipping Handling WORLDWIDE. The package will be shipped directly from Thailand via Economy/Standard Small package Airmail, and it will take about 11-23 Business Days (or about 2-5 Weeks) **Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. **Please check with your country’s customs office to determine what these additional costs will be prior to bidding / buying Return Policy 100% Satisfaction Guarantee: If you are not satisfied with the product you purchased for any reason, please contact us for a return instruction within 30 days Shipping Handling costs are not refundable. Return shipping cost will be paid by buyer. We accept ONLY PayPal for payment. Contact us Please contact us by eBay message only.

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Brand	Future Kit
MPN	FK407
Model	FK407
Country/Region of Manufacture	Thailand
UPC	Does not apply