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Beta Type Fuse Disconnecting Switches 30/36 kV

Single Pole Fuse Disconnecting Switches operating at (30/36) kV, type BETA AF 36, with nominal current at 200 A. Operated through an insulating rod, they are capable for outdoor installation.

The Fuse Disconnecting Switches are manufactured by Stalco S.A. according to the Technical Description of the PPC SS – 14/2 and IEC 62271-102, IEC 60282-1.

Description

The Fuse Disconnecting Switches are installed vertically or on a 300 angle on a steel frame and they are equipped with fuse links operating at 1-5 A (up to 80 A).

Their base is made of hot dip galvanized steel according to ASTM Standards – Specification A153 - 65, that two TR-7 insulators are fixed on. One insulator has a fixed contact made of tin-plated electrolytic copper equipped with the fuse link locking mechanism. The other insulator has a rotating fuse link made of tin-plated brass.

The fuse links are equipped with striker and automatic disconnecting mechanism that operates when a fuse is blown. The fuse link can be operated using an insulating rod.

All the necessary materials for the mounting of the Fuse Disconnecting Switch are provided (mounting screws).

Operating Conditions

Ambient Temperature

 

-150C to +450C

Max. Altitude

 

1.000 m

Relative Humidity

 

≤ 95 %

Max. Ice Coating

 

10 mm

Pollution Level

 

Moderate to Heavy

Wind Speed

 

150 km/h

Properties

Rated Voltage

 

20 kV

Max. Operating Voltage

 

24 kV

Nominal Frequency

 

50 Hz

Nominal Current

 

200 A

Net Weight

 

27 kgr

Rated Temperature Rise which the Fuse Disconnecting Switch shall not exceed under normal operation

 

33 oC

Withstand Without Flashover of Other Electrical Failure

Power Frequency Withstand (dry), 1 min.

 

70 kV

Power Frequency Withstand (wet), 10sec.

 

60 kV

Full Wave Impulse Withstand (positive and negative) 1,5 / 40μsec

 

150 kV

Fuse Links Ratings

Current Rating

 

3,15 Α / 10 A

Rated Voltage

 

20 kV

Interrupting Current Rating

 

10 kA

OFFICE

  • 13 Str Nikitara, Chalandri P.C. 15123

  • +30 210 6824538

  • +30 210 6824661

  • +30 210 6826256

PLANT

  • 1st Industrial Area of Volos, P.C. 38500

  • +30 24210 95102

  • +30 24210 95124

  • +30 24210 95403

CUSTOMER SERVICE

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