Description:
The Insulating end rings are made of pre-compressed paperboard, which are suitable for oil-immersed transformers. They have good compatibility with transformer oil and can be processed into trapezoidal and open styles.
Dimension (mm)
Outer Diameter D | D≤3150 |
Width B | W≥15 |
Thickness T | T≤120 |
Chamfering angle r | r≥2 |
Tolerance (mm)
Outer Diameter D | ≤500 | 500～1000 | 1000～2000 | ≥2000 | |
0 | 0 | 0 | 0 | ||
Inner Diameter d | ≤500 | 500～1000 | 1000～2000 | ≥2000 | |
+2 | +2.5 | +3 | +4 | ||
Thickness T | T≤10 | 10<T≤20 | 20<T≤30 | 30<T≤50 | T>50 |
±0.5 | ±1.0 | +1. 5 | +1.75 | +2 | |
Chamfering angle r | ±1.5 | ||||
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