Flexible busbars for transformers with a capacity of 200-630 kVA
Flexible busbars are intended for use in low voltage chambers of flameproof transformers manufactured by AEG “MEFTA” (GEC Alsthom) – Mikołów with a power of 200-630 kVA.
Flexible busbars are used to make connections between the bushings providing voltage from the flameproof tank of flameproof transformers manufactured by AEG “MEFTA” (GEC Alsthom) – Mikołów of the transformer core, and the lower terminals of the SH-630 / M circuit breaker.
Flexible busbars for 200-630 kVA transformers are made of cable, depending on the type 70 mm2 or 95 mm2 with rubber insulation made of flame-retardant rubber.
- The ends of the flexible rails are pressed in copper sleeves.
- Mounting holes are drilled in the pressed ends of the rail (clamp).
- The pressed ends of the rails are galvanized with zinc.
Technical data of flexible busbars for transformers 200-630 kVA:
|Rated current In||220 A||346 A||440 A||220 A||550 A||346 A|
|Rail cross-section||2×70 mm2 = (140 mm2)||2×95 mm2 = (190 mm2)||2×95 mm2 = (190 mm2)||2×70 mm2 = (140 mm2)||3×95 mm2 = (295 mm2)||2×95 mm2 = (190 mm2)|
|End clamp dimensions||38x38x13mm||38x38x13mm||38x38x13mm||38x38x13mm||42x38x13mm||38x38x13mm|
|Mounting holes diameter||Ø17,5 mm, Ø17,5 mm,||Ø17,5 mm,|
|Ø17,5 mm, Ø17,5 mm,||Ø17,5 mm,|
or Ø25,5 mm
|Ø17,5 mm, Ø17,5 mm,|
|Length per set||4 pieces x 350 mm|
1 piece x 620 mm
2 pieces x 700 mm
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