2000 Amps, Siemens, 3 AP 2 3AP2, 500 KV, live tank circuit breaker, FI-550 kV w/ SF6+CF4 gas

General technical data

Technical data according to

IEC 62271-100

Brand

SIEMENS ENERGY

Type

live Tank

Model

3AP2 FI-550 kV

Mechanical Construction Data

Number of poles

3

Number of circuit breaker operating mechanism

3

Interrupter units per pole

2

Seismic Level

0.3 g according to IEC

Wind Speed

144 Km/h

m.a.s.l. Operation

Up to 1,000 m

Ambient Temperature Range

-50°C to 20°C.

Insulation Capacity

Rated Voltage

275 kV

Design Voltage

550 kV

Frequency

60 Hz

Lightning impulse withstand voltage:

-Phase to ground

1550 kV

-Across the open breaker

1550 kV

Rated power frequency withstand voltage:

-Phase to ground

620 kV

-Across the open breaker

800 kV

Insulator

Material

Porcelain

Color

Brown or Grey

High-voltage terminals

NEMA 4

Creepage distance

25 mm/kV L-L

Creepage distance (total)

>10500 mm

Operating mechanism unit

Degree of protection

IP 55

Material

Carbon steel painted in gray

Arc quenching medium

Arc quenching medium

SF6+CF4

Rated pressure SF6 at 20°C

8.0 bar

Signal loss of SF6 at 20°C

7.2 bar

General lockout at 20°C

7.0 bar

No. of gas compartments/ density monitors

3

SF6- leakage-rate/year (max)

<0.5 %

Breaking Capacity

Rated normal current

2000 Amp.

Rated short-circuit breaking current

40 kA

Rated duration of short-circuit

3 s

Rated frequency

60 Hz

Rated operating sequence, required

O – 0.3s – CO – 3 min. – CO

Rated short-circuit making current

104 kA

First-pole-to clear factor

1.3

Phase opposition (short-circuit breaking

10 kA

Control unit Data

Control Voltage

125 VDC

Voltage of heating

120 VAC

Motor Voltage

125 VDC

10/10/1 STANDARD WIRING

Free auxiliary contacts, wired (NO/NC/W)

Circuit Breaker Scope of Supply

Operation and maintenance instruction manual

IEC Routine test protocols

SF6/CF4 gas needed for the first filling

Galvanized support structure for a height of 2.3 mts between the lower part o bushing and the lower part of the support structure. If a different height is needed extra costs will apply and a longer manufacturing time will possibly be required.

2 Grounding connectors for 4/0 AWG copper

Interpole cables AB & CB 7m BB 3 m