Strumenti elettrici di misura

Low-Voltage Potential Transformers Custom 3TV3 3TV3N  (star connection)
In a Three-phase sistem allow the user to check the voltage (on every single phase) with one only voltmeter. It should be combined with a voltmetric switch.
3TV3
mod. 3TV3
	GENERAL FEATURES Overall dimensions:    170 x 110 x 52 mm Frequency:    50 - 60 Hz Rated secondary voltage:    100 V Rated voltage factor:    1.2 continuous Highest system voltage:    0.72 kV up to 600V    1.44 kV up to 1000V One minute test voltage between primary and secondary:    3kV up to 600V, 6kV up to 1000V Input protection:    fuse Wiring diagrams	Primary voltage ( V ) Burden (VA) Accuracy 0.5 1 3 100 110 220 380 400 500 500 600 800 3 3 3 3 3 3 3 3 3
3TV3N (star connection)
mod. 3TV3N
	GENERAL FEATURES Overall dimensions:    170 x 110 x 52 mm Frequency:    50 - 60 Hz Rated secondary voltage:    100 V Rated voltage factor:    1.2 continuous Highest system voltage:    0.72 kV up to 600V    1.44 kV up to 1000V One minute test voltage between primary and secondary:    3kV up to 600V, 6kV up to 1000V Input protection:    fuse Wiring diagrams	Primary voltage ( V ) Burden (VA) Accuracy 0.5 1 3 100 110 220 380 400 500 500 600 800 3 3 3 3 3 3 3 3 3

Wiring diagrams
3TV3	3TV3N

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