23 Years Factory Automatic Transfer Switching Equipment-FTQ5 to Oman Manufacturer

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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Model: FTQ5-125 FTQ5-250 FTQ5-630
Rated current (A): 16,20,25,32,40,50,63,80,100,125 140,160,180,200,250 315,350,400,500,630
Pole: 3,4
Rated operational voltage: AC400V/50Hz
Rated insulation voltage: 800
Rated impulse withstand voltage Uimp(KV): 8
Connecting and breaking capacity: 10Ie
Rated short-time withstand current: 10KA/200ms 10KA/200ms 25KA/200ms
Operating position: Normal power on,backup on,Normal and backup off
Operating transfer time: ≤1.5
Electric class: PC
usage category: AC-33B




This circuit has been in use for 24 hours a day over the past 4-6 months. It operates perfectly. I used this circuit to charge two 18650 Li-Ion batteries for my cordless vacuum cleaner. You can charge many different battery types with this circuit. If you charge (2) Li-Ion batteries in series as I did, be sure to affix a 3A/ 70-90 degree Celsius thermal fuse between both batteries using thermal heatsink compound and foil tape. The fuse will then be wired in series with the 2 batteries. Also set charger output voltage to 8.33V – 8.36V, and use a 1 ohm resistor in the circuit.

Schematic here:

http://www.talkingelectronics.com/projects/200TrCcts/101-200TrCcts.html#84B

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This the is held in by two bolt which makes this a 20-30 minute job rather than a 2 minute job. But with a few simple tools and some patience anyone with average mechanical ability should be able to handle this task. The fuse burned out as the result of jumping the truck after the battery died. The cables got crossed (not blaming anyone) and the fuse blew. After the battery was replaced, the truck still didn’t start. The fuse was the next thing to check. It was burned through and a trip to the parts store $3 and 30 minutes later the truck was back on the road. So if you cross the cables don’t despair. It’s a cheap and relatively easy fix.

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