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3 PHASE ENERGY ELECTRONIC METERS

AM

k

-ITF & AM2

k

-ITF

(Code  7 71 042 - 7 71 044)

INSTRUCTION MANUAL

( M 981 189 / 00 A )

(c) 

CIRCUTOR S.A.

Содержание AM2k-ITF

Страница 1: ...3 PHASE ENERGY ELECTRONIC METERS AMk ITF AM2k ITF Code 7 71 042 7 71 044 INSTRUCTION MANUAL M 981 189 00 A c CIRCUTOR S A ...

Страница 2: ... One instruction manual 1 2 Safety considerations This manual contains information and warnings that must be followed for operating the ENERGY METER safely and maintaining the instrument in a safe operating condition 2 MAIN CHARACTERISTICS Three phase electric energy meters for low voltage networks at 400 V a c provided with mechanical rotary display that are designed to measure the electric energ...

Страница 3: ... two electromecanic integrating meters in kW h The energy will be accumulated by one or the another meter according to the state of the tariff changing input provided in the own meter Common features All energy meters have one pulse outputs This output permit a remote transmission of the measurement of the kW h consumed Pulses open collector type 100 ms of duration 24 V d c 30 mA Ratio 1 pulse 1 k...

Страница 4: ...w visualisation Such led blinks each 1 kW h Particular features of the double tariff meter AM2 ITF It has an electric input for tariff change action that set the energy to be accumulated by one or another meter This is an optocoupled input 4 kV with respect to the electric network The first tariff is assigned by voltage lack between those terminals Second tariff is selected by applying a 230 Va c ...

Страница 5: ...ed and used until its definitive assembly on the cabinet s door Whether the instrument is not used as manufacturer s specifications the protection of the instrument can be damaged When any protection failure is suspected to exist for example it presents external visible damages the instrument must be immediately powered off In this case contact a qualified service representative 3 1 INSTALLATION B...

Страница 6: ...e terminals could be dangerous to touching and cover opening actions or elements removal may allow accessing dangerous parts Therefore the instrument must not be used until this is completely installed The instrument must be connected to a power supply circuit protected with gl type IEC 269 or M type fuses rated between 0 5 and 2 A This circuit should be provided with an automatic switch ON OFF or...

Страница 7: ...400 V ELECTRONIC METERS M 981 189 Page Nº 7 3 2 CURRENT TRANSFORMER RATIO As the rear side of the meter a 22 bridges have been built in to select the current transformer ratio really existing in the installation ...

Страница 8: ...NIC METERS M 981 189 Page Nº 8 Configuration of the standards current transformer ratios see table below 400 V 5 5 10 5 25 5 75 5 50 5 100 5 125 5 150 5 200 5 9 8 7 6 5 4 3 2 1 22 1 250 5 300 5 400 5 500 5 600 5 800 5 1000 5 ...

Страница 9: ... I2 Current input 2S1 7 I3 Current input 3S2 8 I3 Current input 3S1 9 N Neutral N voltage input 10 VL1 Phase 1 voltage input 11 VL2 Phase 2 voltage input 12 VL3 Phase 3 voltage input 13 AM2 ITF a c voltage input for tariff change 14 AM2 ITF a c voltage input for tariff changing 15 al 28 Not used WARNING Check following points Correct polarity Reverse the current transformer placed at this phase As...

Страница 10: ... AMk AM2k 400 V ELECTRONIC METERS M 981 189 Page Nº 10 3 4 Connection drawing of the THREE PHASE ENERGY METER in a three phase low voltage mains with or without neutral wire ...

Страница 11: ...Maximum current 6 A a c Current input burden 0 3 VA The AMk ITF AM2k ITF model energy meters type ITF have inputs galvanically isolated either between themselves and with respect to the voltage inputs Connection Through 5 A current transformer Display mode Type Mechanical rotative no reset option Display 6 digits Digit height 4 mm Energy units kW h Resolution 1 kW h Counting range 999999 kW h Accu...

Страница 12: ...h Pulse duration 100 ms Standards IEC 1036 EN 61036 EN 61010 Constructive characteristics Case type Modular self extinguishing plastic Connection Metallic terminals with posidraft screws Assembly Fixed onto DIN 46277 EN 50022 symmetrical rail Protection Built in relay IP 41 Terminals IP 20 Dimensions 140 x 70 x 110 mm 8 modules relay as per DIN 43 880 Weight 0 5 kg Operating temperature 0 º C 50º ...

Страница 13: ...ation specification described in this manual must be carefully observed by the user Note that with the instrument powered on the terminals could be dangerous to touching and cover opening actions or elements removal may allow accessing dangerous parts This instrument is factory shipped at proper operation condition ...

Страница 14: ...tenance or repairing operation is carried out the instrument must be disconnected from any power supply source When any protection failure is suspected to exist the instrument must be immediately put out of service The instrument s design allows a quick replacement in case of any failure 7 TECHNICAL SERVICE For any inquiry about the instrument performance or whether any failure happens contact to ...

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