China Cheap price Automatic Transfer Switching Equipment-FTQ2 to Berlin Manufacturer

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

Related video

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Model: FTQ2
Poles: 3,4
Rated operational voltage Ue(V): AC400V/50HZ
Rated operational current Ie(A): 20,25,32,40,50,63,80,100,125,160,180,200,225,315,350,400,500,630
Rated insulation voltage Ui(V): 690V
Operating position: Normal power switch-on, backup power switch-on, Normal power& backup power switch-off
Electrical level: CB
Rated controller Operating supply voltage: AC220V
Under-voltage: Adjustable from 160-200v,factory defaults:170V
Over-voltage: Adjustable from 240-290V,factory defaults:270V
Operation Mode: R:automatic change recovery,S:automatic change but not automatic recovery,F:Generator type
Switch-off delay time: Adjustable from 0-180s,factory defaults:2s
Switch-on delay time: Adjustable from 0-180s,factory defaults:2s




Important Notice:
Thanks to Youtube users Mark Horstmeier and ramosel I now doubt my own explanation in the video. Please read
http://www.physics.princeton.edu/~mcdonald/examples/motor.pdf for a better operational theory.

Ball Bearing Motor

The parts:
(None of the dimensions is critical. Material doesn’t matter as long as it conducts electricity.)
3 M6 stainless Nuts, 1 M6 stainless Bolt (50mm long) , 2 Ball Bearings (OD: 20mm, ID: 6mm, Width:6mm, seals removed, grease removed with brake cleaner), 2 flexible isolated wires (Diameter 1.5mm, Length 20cm) Wires are soft soldered to outer races of the bearings.

The power supply: Old 12V Battery charger with conventional transformer.
Batteries must not be used (current way too high!!) Modern (eg. computer) power supplies are unlikely to work, as they switch off totally when short circuits are made.

Kids! Don’t do this at home! Danger of burns, fire and electric shock.

Be sure you have a residual-current circuit breaker (RCCB) installed. Never use mains electricity directly.

Here’s an explanation of the thermal theory (which I doubt after reading Kirk T. McDonald’s paper):

Please look at this article which also presents different explanations of how it works: https://en.wikipedia.org/wiki/Ball_bearing_motor

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