Tree phase DC voltage measuting transducers. E4855 can be used without external primary transformers.
Array ( [id] => 4233 [resource_id] => 938 [source] => 3 [parent] => 0 [name] => e4855b [alt] => [description] => [add] => [path] => 938/ [file] => e4855b.jpg [type] => image [createdon] => 2015-11-05 14:47:11 [createdby] => 1 [rank] => 0 [url] => /assets/images/resources/938/e4855b.jpg [properties] => Array ( [size] => 361564 [width] => 1619 [height] => 1080 [bits] => 8 [mime] => image/jpeg ) [hash] => c7a98eb5df93865946937e4f5af9756f6ab767d8 [active] => 1 [idx] => 1 [tags] => [120x90] => /assets/images/resources/938/120x90/e4855b.jpg [400x400] => /assets/images/resources/938/400x400/e4855b.jpg [640x640] => /assets/images/resources/938/640x640/e4855b.jpg [360x270] => /assets/images/resources/938/360x270/e4855b.jpg )| № | 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 |
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| 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) |
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| 0..250 (150..250) |
0..250√3 (150√3..250√3) |
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| 0..400 (240..400) |
0..400√3 (240√3..400√30) |
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| 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) |
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| 0..250 (150..250) |
0..250√3 (150√3..250√3) |
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| 0..400 (240..400) |
0..400√3 (240√3..400√3) |
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| 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) |
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| 0..250 (150..250) |
0..250√3 (150√3..250√3) |
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| 0..400 (240..400) |
0..400√3 (240√3..400√3) |
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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