25 kV 250A Apparatus Bushing

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25 kV 250A Apparatus Bushing
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Standard:

● DIN 47636-7-1990 Power cable with extension cones, separable, with Um below 35kV Sub-connector device size·

● Exposed Semiconductor Sheaths for High – Voltage Cable Fittings and Detachable Insulated Connectors; IEEE.

● IEC60502 Extruded insulated power cables with rated voltages from 1 kV (Um= 1.2 kV) to 30 kV (Um= 35 kV) and annex;

● IEC61442 Test methods for accessories for power cables with rated voltages from 6kV (Um= 7.2kV) to 30kV (Um= 35kV);

● GB 12706-2002 Extruded insulated power cables with rated voltages from 1 kV(U m= 1.2 kV) to 35 kV (Um= 40.5 kV)And its annexes;

● GB311.1-1997 high-voltage power transmission and distribution equipment with the insulation;

● GB I T41.9.1999 high-voltage casing technical conditions;

● GB11032.2010 AC non-gap metal oxide surge arresters;

● DIN 47636-7-1990 Power cables with extended cones, separable, with Um below 35kV Sub – connector device size.

 

Introduction:

25kV 250A Apparatus Bushing provide the interface for the 200A Cable connector and mostly used on the oil-insulated (R-temp, hydrocarbon, or silicone) apparatus, including switchgear, transformers, and capacitors.

The Apparatus Bushing are molded using high quality Epoxy Rubber, meet the requirement of standard EN50180/EN50181 DI N4 7636/HN52-S-61

Continuous voltage rating:

Item

15kV

25kV

35kV

Continuous operating voltage

8.7kV/15kV

12kV/20kV 18/20kV

26kV/35kV

AC withstand voltage

45kV/1min

55kV/5min

117kV/5min

DC withstand voltage

53kV/15mins

78kV/15mins

104kV/15mins

1.5/50 μ s Im pulse with stand voltage

95kV

125kV

215kV

Partial discharge voltage(<10PC)

13kV

20kV

45kV

 

Current rating:

Item

250AMP

600AMP

Heat stable current

16kA 1S

30kA 2S

Peak withstand current

40kA

105kA

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Order information:

Description Reference No. Length(A) Length(B)
24kV 250A Apparatus Bushing(standard) AH TGZ-24/250 224 108
24kV 250A Apparatus Bushing(short) AH TGZ-24/250S 189 73
24kV 250A Apparatus Bushing(long) AH TGZ-24/250L 284 168

Inquiry

If you have any enquiry about quotation or cooperation,please feel free to email us at global@anhelec.com or use the following enquiry form. Our sales will contact you within 24 hours. Thank you for your interest in our products.