Single-phase Watt-hour Meter

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Single-phase Watt-hour Meter

Description of Single-phase Electric Watt-hourMeter
The single-phase electric watt-hour meter is a kind of induction meter, whichis applicable to measure the rated frequency 50Hz and power loss in electrifiedwire netting. All technical targets are completely conforming to NationalStandard GB/T15283-94 and International Standard IEC 521.

Structure and Features of Single-phase Electric Watt-hour Meter
The single-phase electric watt-hour meter has separable electromagnet, and thebearing has four kinds: single-jewel, dual jewel, magnetic thrust and magneticfloating. The case has three kinds: aluminum, plastic and glass. Thedie-casting frame is alloy aluminum with excellent mechanical strength.

Technical Parameters of Single-phase ElectricWatt-hour Meter

Type

Accuracy (class)

Rated voltage(V)

Rated current(A)

Overload capacity

Starting current

Insulation performance

SE-2

220

2(4), 2.5(10) 3(6), 5(10) 10(20), 20(40) 30(60), 40(80)

200%Ib

0.5%Ib

AC voltage 2KV for 1 minute impulse voltage 6kV

SE-3

2(6), 3(9) 5(15), 10(30) 15(45), 20(60)

300%Ib

SE-4

5(20), 3(12) 10(40), 15(60) 20(80)

400 %Ib

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