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Single-phase induction electricity meter SO-I496

Счетчик электрической энергии СО-И496

Single-phase induction electricity meter SO-I496 is approved to be used in the Republic of Belarus as a metering tool – type certificate № 5704, State list № RB 03 13 0683 09.

Single-phase stationary induction electricity meter SO-I496 (hereinafter - the meter) of direct connection is designed to account active energy in single-phase  AC circuits rated at 50 Hz in the national economy, to work indoors at the temperature range from minus 20 to plus 55 ° C and the relative humidity of 80% at 25 ° C.

The meter is not intended to be used in explosive areas.

Basic technical data and specifications

The meter So-I496 comply with STB GOST R 52320-2007, STB GOST R 52320-2007 and TU RB 4363.030-98.


Meter type


Case type

Overall dimensions, mm

Setting dimensions,mm


OTIB. 407211.002



vertical - 91,5 ± 1

horizontal - 136,5 ± 2

With reference to the accuracy of electricity accounting the meter belongs to the accuracy class 2.0 according to STB GOST R 52320-2007, STB GOST R 52321-2007.

The meter is designed to measure the base current of 10 A and the rated voltage of 220 V.

The meter can operate at the maximum measured current that is 400% of the base one.

Duration of the meter functioning at the current of 120% from Imax - 4 h.

The total power consumed by the voltage circuit at rated voltage and rated frequency is no more than 5 V × A, active is no more than 1.3 Wt.

The total power consumed in the circuit at rated current and rated frequency is no more than 0.4 V × A.

Gear Ratio - 600 r / (kW × h).

The meter weight is not more than 1.5 kg.

The average time of service is at least 32 years.


The package includes:

  • meter with a lid - 1 pc;
  • manual             - 1 copy.;
  • package           - 1 pc.

A consumer multipack is allowed without unit packages.

The meter installation, functioning, maintenance

  • The meter should be installed according to the "Rules for Electrical Installation" (SEP).
  • The meter should be operated in accordance with the TAP 181-2009 "Rules of technical operation of electrical installations of consumers."
  • The meter should be set up in full compliance with its nominal data and schema located on the inner side of the terminal cover.
  • Installation, dismantling, stripping, repairs, calibration and marking should only be carried out by the specially authorized organizations and individuals according to the rules for installation of electrical installations. Otherwise, the manufacturer is not responsible for a malfunction.
  • The meter should undergo a mandatory state verification once in 8 years.
  • The meter calibration is performed in accordance with GOST 8,259 - 2004.
  • Readings on the metering mechanism is the result of the meter calibration at the plant, rather than evidence of its use.


Shipment and storage

  1. The meter shipment should only be performed in a closed transport (railway cars, containers, closed vehicles, the holds of ships, etc.) under the conditions of shaking with an acceleration of no more than 30 m /s2 at a frequency of strokes from 80 to 120 per minute at the temperature from minus 50 to plus 50 º C and relative humidity of 98% at 25 º C.
  2. The meter before setting into operation should be stored in the transport and consumer package.
  3. The meter should be kept indoors, where temperatures can range from 5 to 40 º C, relative humidity does not exceed 80% at 25 º C in the absence of corrosive vapors and gases.


Manufacturer's warranty


  1. The manufacturer ensures the meter compliance with the requirements of technical conditions (TU), STB GOST R 52320-2007, STB GOST R 52321-2007 under the terms of operation, transportation, storage, installation, dismantling and preservation of the verification seal.
  2. Warranty period is 24 months from the date of the meter setting into operation or from the date of sale – for the meter that is sold by the retail trade system. Warranty period is 24 months from the date of the meter manufactured.
  3. The warranty does not apply to the meter:
  • with broken seals of  OTK (quality control department)  and state verification officer;
  • with mechanical damages of the hull;
  • without the data about the meter assembling and disassembling in the meter passport that has been already in use;
  • with violation of the terms of transportation, usage, storage, installation and dismantling.

The meter, which during the warranty period failed to comply with the requirements of TU is to be returned to the manufacturer for rechecking and finding out the reasons for its failure. The defective meter is to be replaced or refurbished by the manufacturer if the customer has been observing the terms of usage, transportation, storage, installation, dismantling and seals verification.

Spare parts for the electricity meter SO – I496

1 2 3 4 5

Axis with disks IBYASH.411119.001

Ball 1-3 GOST 3722-81
Saddle OTIB.301329.007
Bearing OTIB.301524.004
Cover OTIB.305142.028
6 7 8 9 10
Gear wheel OTIB.721143.014  Gear wheel OTIB.721143.015  Magnet OTIB.301524.028 – 01
Currant loop OTIB.757442.008-01
Nut М4-6H.5. 016 GOST 5927-70
11 12 13 14 15
Terminal cover OTIB.732115.008
Base OTIB.411119.025
Woven-glass reinforced spacer OTIB.754146.048

Clamp OTIB.301527.006 with three bolts

Clamp OTIB.301527.006 with two bolts


General spare parts of single – phase and three – phase induction electricity meters (SO-I496) and (I699)

1a 2a 3a 4a 5a
Voltage coil IBYASH. 685442.000
Ring -01(to metering system)

Current loop cover OTIB.754529.009 (OTIB.754529.010)

Wheel 8PT.240.086
Wheel 8PT.240.085
6a 7a 8a 9a 10a
Screw М4-6gх14.36.016 STPG 6-93-89
Screw М4-6gх22.36.016 STPG 6-93-89
Flexible string IBYASH. 745361.000
 Short-circuited aluminum loop 8PG.546.001 Carton disk OTIB.711141.061
11a 12a 13a 14a 15a
 Aluminum disk 8PG.950.015  Pin 8PT.206.038  Wedge 8PT.194.008
Plastic nut 8PG.946.005
Actuator 8PG.448.000-01
16a 17a 18a 19a  

Set of cores (core 5PT.619.005, jumper 5PT.585.000, core 5PT.619.004)

Voltage core 5PT.619.004
Current core 5PT.619.005
 Jumper 5PT.585.016
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