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TOP-0,66  Current transformer TOP 0.66.

TOP-0,66

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Current transformer TOP-0,66 (TOP0,66, TOP 0,66)
 
Current transformer TOP-0,66 is a signal measurement information instrumentation in plants AC 50Hz or 60Hz with rated voltage up to 0.66 kV.
 
Technical characteristics of the instrument current transformers TOP-0,66:
 
Accuracy class - 0,5; 0,5 S, 0,2; 0,2 S, 1;
Number of windings - 1;
Rated current of the device CT TOP-0,66 - 1A, 5A, 10A, 15A, 20A, 30A, 40A, 50A, 75A, 80A, 100A, 150A, 200A;
Rated secondary current - 1A, 5A;
Rated secondary current transformer load device TOP-0,66 - 1 V to 5 V · A · A · A or 10V (for accuracy class 1);
Rated current of the device and the safety factor of the CT TOP-0,66 are listed in Table 1;
 
Table 1 Rated primary current safety factor device CT TOP-0,66
 
Rated primary current
Safety factor at rated secondary burden
3B · A
5 V · A
10 V · A
 
6
3.5.
2,5
 
3 *, 5,5
3
Note. * - For accuracy classes 0,2 S and 0,5 S;
 
Dimensions and weight of the device CT TOP-0,66 are shown in Figure 1 and Table 2;
 
Figure 1 Dimensions of the device CT TOP-0,66
TOP-0,66 - transformer - drawing
 
Table 2: Dimensions and weight of the device CT TOP-0,66
 
Rated primary current
s
C1
In
B1
Н
H1
M
1A to 200A
81mm
86mm
46mm
53mm
108mm
43mm
65mm
40A, 200A, 250A, 300A, 400A
76mm
83mm
40mm
47mm
103mm
d
K
S
D
L
{0}L{/0}{1}1{/1}
Weight
without bus
bus
-
30mm
3mm
9mm
-
-
-
0.75 kg
21mm
6mm
11mm
127mm
-
0.6 kg
0.8 kg
 
Rated primary current and the highest primary current working device CT TOP-0,66 are shown in Table 3;
 
Table 3 Primary rated current and the highest primary current working device CT TOP-0,66
 
Parameter's name
Parameter value
Rated primary current
1A
5A
10A
15A
20A
30A
40A
50A
Maximum operating current of primary
1A
5A
10A
16A
20A
32A
40A
50A
Rated primary current
75A
80A
100A
150A
200A
300A
400A
500A
Maximum operating current of primary
80A
80A
100A
160A
200A
320A
400A
500A
Rated primary current
600A
750A
800A
1000A
1200A
1500A
2000A
 
Maximum operating current of primary
630A
800A
800A
1000A
1250A
1600A
2000A
 
 
Test one-minute power frequency - 3 kV;
Transformers of accuracy class 0,2; 0,5; 0,2 S and 0,5 S used in accounting schemes customer calculations, accuracy class 1.0 - in schemes of measurement;
The housing CT TOP-0,66, is made ​​of self-extinguishing hard inflammable materials;
The transformers are manufactured in model "U" or "T", are designed to operate under the following conditions:
Height above the sea level - no more than 1000 m.
Ambient temperature
- In operation - from -45 ° C to +50 ° C;
- Transport and storage - from -50 ° C to +50 ° C;
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
Primary bus unit CT TOP-0,66 copper, tin-plated;
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 appliances CT TOP-0,66, after January 1, 2005;
Service life - 30 years;
Devices CT TOP-0,66 set of 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 TOP-0,66 for winding precision 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 TOP-0,66 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.


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