Measuring transducer E4855

Tree phase DC voltage measuting transducers. E4855 can be used without external primary transformers.

Description Е4855

Technical characteristics:

№	Type	Measured voltage, V		Iout., mA	Load resistance, Ohm	Iconsump. for each measured circuit, mA	Рconsump. for supply circuit, VA	Accuracy class
		Phase, UL-N	Netween-phase, UL-L
1	Е4855А	0..125/√3 (75/√3..125/√3)	0..125 (75..125)	0..5	0 – 3000	not more than 1	not more than 5	0,5
		0..125 (75..125)	0..125√3 (75√3..125√3)
		0..250 (150..250)	0..250√3 (150√3..250√3)
		0..400 (240..400)	0..400√3 (240√3..400√30)
2	Е4855В	0..125/√3 (75/√3..125/√3)	0..125 (75..125)	4..20	0 – 500
		0..125 (75..125)	0..125√3 (75√3..125√3)
		0..250 (150..250)	0..250√3 (150√3..250√3)
		0..400 (240..400)	0..400√3 (240√3..400√3)
3	Е4855С	0..125/√3 (75/√3..125/√3)	0..125 (75..125)	0..20	0 – 500
		0..125 (75..125)	0..125√3 (75√3..125√3)
		0..250 (150..250)	0..250√3 (150√3..250√3)
		0..400 (240..400)	0..400√3 (240√3..400√3)

Dimentions 120х80х77 mm

Weight not more than 0,6 kg.
Power supply – AC 187-242V 50 Hz frequency.
Time of setting output signal in case of input signal hopping to any value in measured range – not more than 0,5 s.
Time of setteng working condition – not more than 10 min.
Worktime between failures – not less than 50 000 h.
Average lifetime – not less than 10 years.

Note: additional measuring transformers-free usage is possible.
Three output cascades are galvanically unlinked between each other and input cascades..
Additional measuring range (pointed in brackets) can be selected with external cross-piece.

 

Е4855 indexes:

Е4855А - output current (0..5) mA
Е4855В - output current (4..20) mA
Е4855С - output current (0..20) mA