Datasheet ND20LITE
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Catalog excerpts

Datasheet ND20LITE - 1

ND20LITE METER OF NETWORK PARAMETERS • Measurement of power network parameters in 2,3 or 4- wire balanced and unbalanced systems. • High accuracy class. • Indications considering values of programmed ratios. • THD. • Backlit LCD 3.5"screen. • Protection grade from the frontal side: IP65. • Digital transmission to the master system through the RS-485 interface (MODBUS). • Configurable alarm and pulse outputs (energy). • Configuration of displayed pages. Measurements, monitoring, recording of network parameters and energy. GALVANIC ISOLATION * Depending on the set tr_U ratio (ratio ofthe voltage transformer: 0.1...4000.0) and tr_I ratio (ratio of the current transformer: 1...10000) r - of the range mv - of the measured value

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Datasheet ND20LITE - 2

ND20LITE - METER OF NETWORK PARAMETERS outputs ditei3>LUMlL Relay output programmable relay output, normally open voltageless contacts, 250 V~/0.5 A~ Pulse output of active or reactive energy Connections: - direct, semi-indirect and indirect one-phase measurement, - direct measurement in a 3-wire network, - semi-indirect measurement in a 3-wire network, - indirect measurement with the use of 3 current transformers and 2 or 3 voltage transformers in a 3-wire network, - direct measurement in a 4-wire network, - semi-indirect measurement in a 4-wire network, - indirect measurement with the use...

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