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LZZB7-35 35KV safe resin cast instrument ht current transformer
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LZZB7-35 Post type current transformer
This type current transformer is a cast of epoxy resin,with post type whol-enclosed structure.It can be applied to the indoorpower system of rated voltage 35kv or below and the rated frequency of 50Hz or 60Hz,used for as a current,energy gauge and relay protection, It has the features of stable thermodynamic parameter,large secondary output calacity,stable insurability and anti-dirt.It can completely replace the old same kind of products such as LCZ-35Q
This transformer has the post type whole-enclosed structure with circulariron ring core and experiences the annealing treatment. The prinary and secondary wires are treated with is a cast of epoxy resin. Being strengthend the insurability,it performs in order even in damp or second-level dirt circumstances. There are four holes on the pedestal for installation use.
1. Rated insulation level:40.5/85/185kV
2. Load power factor:cos=0.8(lagging);
3. Rated secondary current:5Aor1A;
4. Surface creep age distance;uP to the standard of second-level dirt section;
5. This product is used for the are where altitude is not more than 3000mm;
6. Safe factor of gauge:Fs≤10;
Type
| Rated current Ratio(A) | Accuracy class combination | Rated output(VA) | 4S thermal current(KA) | |
LZZB7-35GYW1 | 15/5 | 0..2/0.5 0..2/10P15 0..2/10P 0..5/10P10 10P10/10P10
| 15/15 15/20 50/20 50/30 15/15 | 3.0 | 8 |
20/5 | 4.0 | 10 | |||
30/5 | 6.0 | 15 | |||
40/5 | 8.0 | 20 | |||
50/5 | 10 | 25 | |||
75/5 | 15 | 37.5 | |||
100/5 | 20 | 50 | |||
200/5 | 25 | 62.5 | |||
300/5 | 0.2/0.5 0.2/10P15 0.2/10P15 0.5/10P10 10P15/10P15
| 50/50 50/50 50/50 50/50 20/25
| 31.5 | 80 | |
400/5 | |||||
500/5 | |||||
600/5 | |||||
800/5 | |||||
1000/5 | |||||
1200/5 | 40 | 100 | |||
1500/5 | |||||
2000/5 |
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