Secondary Burden & Output Voltage
1-2. Supreme Accuracy Model ( I )
   
Application
 
0.2/0.5 Class watt hour meter for power station & substation.
Transformer operated & Indirect connected solid state energy meter for the high accuracy class.
Accuracy power transducer
Genset controller
Power sensor
Precision power meter
Power calibrator
   
Features
 
Supreme accuracy at the range of 0.25Amp or less
Zero phase displacement
Supreme linearity
   
General Specification
 
No problem with 1.2times continuous overload and 4 times overload for 1sec. against rated current being decided on the applied burden.
Dielectric withholding voltage : 3.5KV for 1 minute.
Humidity: Completely epoxy encapsulated & no humidity affected.
 
Standard Accuracy : 0.2/0.5 Class ( Meter )
   
Recommended Current Rating & Burden
 
High End Model
 
Model Current Ratio Ratio Error Burden at 20 Current Rating
TN77L/V 2,500 / 1 ±0.1% 0.1415VA 1Amp, 6Amp
TZ31L/V 5,000 / 1 ±0.1% 0.0480VA 5A, 10A, 120A
TZ76L/V 2,500 / 1 ±0.1% 0.1843VA 5A, 60A, 120A
TZ87L/V 4,000 / 1 ±0.1% 0.1361VA 5A, 80A, 120A
TZ105L/V 2,000 / 1 ±0.1% 0.4805VA 5A, 100A, 200A
   
 
Low End Model
 
Model Current Ratio Ratio Error Burden at 20 Current Rating
TZ77SL/V 2,500 / 1 ±0.2% 0.0135VA 1Amp, 6Amp
TZ77L/V 2,500 / 1 ±0.2% 0.0131VA 5Amp, 20Amp
TZ71L/V 2,500 / 1 ±0.2% 0.0276VA 5A, 50A, 60A
TZ84L/V 1,000 / 1 ±0.2% 0.2040VA 60A, 80A, 100A
   
Drawing & Dimension
   
 
Drawing
   
 
   
 
Dimension
 
Lead Wire Type ( unit : mm/inch )
 
Model A(min) B(max) C(max) D(max) E(max) F(±3) G(±1)
TZ77SL
TZ77NL
TZ 77L
6.9
0.272"
23.3
0.917"
11
0.433"
26.6
1.047"
7
0.276"
71
2.795"
3
0.118"
TZ71L 8.9
0.350"
25.3
0.996"
17
0.669"
28.6
1.126"
7
0.276"
65
2.559"
3
0.118"
TZ76L
TZ84L
12.9
0.508"
37.5
1.476"
14
0.551"
41.3
1.626"
10.3
0.406"
68
2.677"
3
0.118"
TZ31L 13
0.512"
31.5
1.240"
16.5
0.650"
34.9
1.374"
6.4
0.252"
74
2.913"
5
0.197"
TZ105L(A) 19.4
0.764"
48.2
1.898"
19.3
0.760"
51
2.008"
12.2
0.480"
270
10.63"
5
0.197"
TZ105L(B) 19.8
0.780"
48.2
1.898"
17.8
0.701"
52
2.047"
13.1
0.516"
270
10.630"
3
0.118"
TZ87L 12.9
0.508"
37.5
1.476"
14
0.551"
41.3
1.626"
10.3
0.406"
68
2.677"
3
0.118"
   
 
PCB Mountable type ( unit : mm/inch )
 
Model A(min) B(max) C(max) D(max) E(±0.3) F(±0.3) G(±0.5) H(±0.3)
TZ77SV
TZ77NV
TZ77V
6.8
0.268"
25
0.984"
11
0.433"
23.5
0.925"
15.1
0.594"
19.1
0.752"
3
0.118"
9.1
0.358"
TZ71V 8.9
0.350"
27.5
1.083"
17
0.669"
25.3
0.996"
15.1
0.594"
19.1
0.752"
3
0.118"
15.1
0.594"
TZ76V
TZ84V
12.9
0.508"
39
1.535"
14
0.551"
37.5
1.476"
25.2
0.992"
32.8
1.291"
3
0.188"
12.1
0.476"
TZ105V 18.5
0.728"
55.5
2.185"
20.3
0.799"
50.5
1.988"
30.0
1.181"
60.0
2.362"
4
0.157"
10.0
0.394"
 
 
  288-2, Misan-Dong , Sihung-City, Kyunggi-Do, South Korea, 429-822
Tel : (82 31) 315-8161~4,  Fax : (82 31) 315-8165
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