20 Years manufacturer Miniature circuit breaker-FTG11 Wholesale to Slovakia

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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Model: FTG11
Pole: 1P,2P,3P,4P
Rated current (A): 32,63,100
Rated frequency: 50
Rated operational voltage 400
Rated insulation voltage: 690
operating cycles: on-load 1500
off-load 8500
Rated short-time connecting capacity conduction time:0.1s 30Ie
Rated short-time withstand current conduction time:1s 20Ie
Rated connecting and breaking capacity 3Ie
Rated impulse withstand voltage Uimp(KV): 4
Usage category: AC-22A
 Connecting wire: 6/50
Size: 1P 74.2×17.8×80
2P 7507×3506×80
3P 7507×53.4×80
4P 75.7×71.2×80




Theory of operation and various problems encountered with voltage operated earth leakage circuit breakers.

These voltage operated devices have not been used in the UK for over 30 years, they are not manufactured any more, and all of them should have been replaced decades ago.

Unfortunately, there are plenty of buildings which still have them.
The replacement for one of these old VOELCBs would be an RCD – a current operated device which works in a totally different way.

Website: http://xo4.uk/?87x

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