Products catalog
Electrical measuring instruments
transformers industrial (T-0,66, TSh-0,66, KTPVSH and others)
current transformers
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Price:
on request
Product information updated 07 December 2024.
Found cheaper?
Let us know. Our price is the best.
Warranty:
12 months.
Warranty extension up to 5 years.
Terms of delivery:
To all regions of the country, international delivery.
Product information updated 07 December 2024.
Found cheaper?
Let us know. Our price is the best.
Warranty:
12 months.
Warranty extension up to 5 years.
Terms of delivery:
To all regions of the country, international delivery.
Technical characteristics
Current transformer TNSHL-0,66 (3000A-6000A) (TNSHL0,66, TNSHL 0,66)
Current transformer TNSHL-0,66 (3000A-6000A) is designed to signal measurement information instrumentation in plants AC 50Hz with rated voltage up to 0.66 kV.
Technical characteristics of the instrument current transformers TNSHL-0,66 (3000A-6000A):
Accuracy class - 0,5; 0,5 S, 0,2; 0,2 S, 1, 10P;
Number of windings - 1;
Rated current of the device CT TNSHL-0,66 (3000A-6000A) - 3000A, 4000A, 5000A, 6000A;
Rated secondary current of the current transformer unit TNSHL-0,66 (3000A-6000A) - 1A, 5A;
Rated secondary burden:
- At cosφ = 0,8 - 5 V · A, 10 V · A · A 15V, 20V · A;
Three-second thermal current device CT TNSHL-0,66 (3000A-6000A) - the multiplicity of at least 75;
Rated current ratio at rated primary current:
- 3000A - 13;
- 5000 A - 15;
- 4000A, 6000A - 14;
The calculated values of the resistance unit CT TNSHL-0,66 (3000A-6000A), reduced to a temperature of 20 º C are shown in Table 1;
Table 1 Calculated values of resistance of the device CT TNSHL-0,66 (3000A-6000A), reduced to a temperature of 20 º C
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Rated primary current
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The resistance of the secondary windings of the DC with accuracy class
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0,2 S
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0,2
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0,5 S
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0.5, 1
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10P
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3000A
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-
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0.829 Ohm
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|||
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4000A
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1.433 Ohm
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5000A
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1.839 Ohm
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6000A
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1.832 Ohm
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Calculated values of the nominal current ratio of secondary winding device CT TNSHL-0,66 (3000A-6000A) for protection in terms of rated secondary load are given in Table 1;
Table 1 Calculated values of the nominal current ratio of secondary winding device CT TNSHL-0,66 (3000A-6000A) for protection in terms of rated secondary load
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Ratio of transformation
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Rated current ratio
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Rated secondary burden, B ∙ A
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3
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5
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10
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15
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20
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30
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40
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50
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60
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75
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100
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200/5
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11.3
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8
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4.5
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3
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2
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1,6
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1,2
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1
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0.8
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0,7
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0,4
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300/5
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14,4
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10
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6
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4.4
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3,5
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2,3
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1,8
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1,5
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1,2
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1
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0,7
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400/5
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17
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12
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8
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6
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4
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3
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2
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2
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1
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1
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500/5
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18
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14
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9
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7
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5
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3
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2
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600/5
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19
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15
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10
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6
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4
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2
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|||||
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800/5
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17
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11
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8
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7
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5
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4
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3
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3
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1000/5
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18
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16
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12
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10
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8
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6
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5
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4
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3
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2
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1500/5
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20
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17
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14
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12
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10
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8
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6
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5
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5
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4
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3
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2000/5
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18
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15
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13
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11
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9
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8
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7
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6
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5
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4
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3000/5
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19
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17
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12
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10
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9
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8
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7
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6
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5
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4000/5
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14
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13
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11
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10
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9
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8
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7
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6
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5000/5
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16
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12
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9
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8
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8
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Dimensions of the device CT TNSHL-0,66 (3000A-6000A) are shown in Figure 1;
Figure 1 Dimensions of the device CT TNSHL-0,66 (3000A-6000A)
The housing CT TNSHL-0,66 (3000A-6000A) is made of self-extinguishing hard inflammable materials;
The transformers are manufactured in model "U" are designed for operation in the following conditions:
Height above the sea level - no more than 1000 m.
Ambient temperature
- In operation - from -45 ° C to +50 ° C;
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
Instrument current transformer TNSHL-0,66 (3000A-6000A) has a cast from epoxy resin insulation grevostoykosti class "B" and Flammability PG1;
Earthquake-proof devices when exposed zemletraseny intensity of 8 points on the MSK-64 at the facility level above ground level up to 70m;
Instrument current transformer TNSHL-0,66 (3000A-6000A) is for delivery to the AU, with class security for 3H-001 NP-97 and 2 seismic category for NP-031-01;
Warranty period - 8 years from the date of entry into operation of the transformer, but not more than 8.5 years from the date of shipment from the factory;
The warranty applies to devices CT TNSHL-0,66 (3000A-6000A), after January 1, 2005;
Service life - 30 years;
Devices CT TNSHL-0,66 (3000A-6000A) equipped with protective transparent cover for separate sealing of secondary findings;
In transformers may be used to account for the secondary windings, accuracy classes 0,2 S and 0,5 S with the value of the secondary load below 25% of nominal;
Minimum permissible load current transformer unit TNSHL-0,66 (3000A-6000A) for the windings of accuracy class 0,2 S and 0,5 S is 1B · A;
The certificate on the current transformers with secondary windings for accounting accuracy classes 0,2 S and 0,5 S indicates the measured current and the angular error at rated secondary burden 1B · A;
The manufacturer guarantees that the quality of the instrument current transformer TNSHL-0,66 (3000A-6000A) to the technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.
Photos: TNSHL-0,66 (3000A-6000A)
TNSHL-0,66 (3000A-6000A) transformer image.
TNSHL-0,66 (3000A-6000A) transformer scheme.
