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Tủ trung thế 40,5kV - Safe Plus 40,5kV (Mã: )

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STANDARDS AND MECHANICAL DATA

 

Metal Enclosed switchgear:                                            IEC 62271-200

General Purpose switches:                                              IEC 60265-1

Disconnectors and Earthing switches:                             IEC 62271-102

Switch Fuse Combination:                                              IEC 62271-105

Common clauses:                                                          IEC 60694

Pressure of SF6 gas:                                                     1.4 bar at 20 °C

Cable bushings outside cone:                                         CENELEC EN 50181 interface C

Temperature class:                                                         -25 °C - +40 °C indoor

Degree of protection:

  - SF6 tank:                                                                   IP 67

  - Fusecanisters:                                                            IP 67

  - Front cover:                                                               IP 2X

  - Cable cover:                                                              IP 3X

Busbars:                                                                        306 mm2 Cu

Earth bar (external):                                                        120 mm2 Cu - Bolt dimension: M10

Thickness of Stainless Steel Tank:                                  2.0 mm

Colours:

- Front cover:                                                                 RAL 7035

- Side and cable cover:                                                   RAL 7035

 

ELECTRICAL DATA – 40,5 kV

 

Nominal voltage: 40.5kV

Rated frequency: 50 Hz

Rated current for busbars: 630 A

Rated current for cable switch disconnector : 630 A

Short time withstand current (3 sec) cable switch disconnector : 20 kArms

Rated current for transformer T-off : 200 / 630 A

Short time withstand current (3 sec) V-module vacuum circuit breaker: 20kArms

 

Impulse withstand voltage :

To earth and between phases: 185 kV

Insulation level:

-  Power  frequency 1 min: 95 kV

SafePlus36 C is a cable switch module with a two position load break switch, earthing switch, busbars, interlocking and earthbar.

 

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SafePlus 36 type C: Cable switch 40,5kV, 630A, 20kA

 

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Cable compartment standard

 

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Manometer

 

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Cable support bars, standard for 1-way unit

 

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Cable bushings interface C (400 bolted), 630 A, standard

 

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Single cable connection

 

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Snap action mech. for manual operation

 

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Additional sidewall left side

 

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Capacitive voltage indication fixed type VPIS

 

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Short circuit & Earth fault indicator EKL-1

 

SafePlus36 F is a switch fuse combination module with two position load break switch, earthing switch, fuse canisters, fuse tripping, busbars, interlocking, earthbar and stored spring energy mechanism (A-mech.).

 

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SafePlus 36 type F: Switch fuse combination 40,5kV, 200A, 20kA

 

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Cable compartment standard

 

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Cable support bars, standard for 1-way unit

 

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Cable bushings interface C (400 bolted), 630 A, standard

 

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Single cable connection

 

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Stored energy mech. for manual operation

 

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Additional sidewall right side

 

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Capacitive voltage indication fixed type VPIS

 

SafePlus36 V is a vacuum circuit breaker module with vacuum circuit breaker, stored energy spring mechanism for O - 0,3 s - CO – 15 s - CO operating sequence, two-position operating mechanism for the isolator and earthing switch, busbars , interlocking and earthbar.

 

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SafePlus 36 type V: Vacuum circuit breaker 40,5kV, 630A

 

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Protection relay type ABB REJ 603

 

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Ring core current transformer type CT2 16-56A

 

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Cable compartment standard

 

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Cable support bars, standard for 1-way unit

 

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Cable bushings interface C (400 bolted), 630 A, standard

 

1

Single cable connection

 

1

Stored energy mech. for manual operation

 

1

Additional sidewall right side

 

1

Capacitive voltage indication fixed type VPIS

 
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