The circuit-breaker panels must be designed as follows:

In panel-type construction, equipped with:

1 set of busbars in single-pole enclosure, Cu

Rated continuous current of the feeder:

X 1250 A

O 1600 A

O 2000 A

O 2500 A

The following systems for equipping the busbar compartment may only be installed as an option:

• Voltage transformers at the busbar with or without three-position disconnector
• Current transformers at the busbar
• Earthing switch at the busbar
• Capacitive voltage detecting system
• Top-mounted bus sectionalizer including three-position disconnector

Voltage transformers at the busbar:

X without voltage transformers

O with voltage transformers, 3 x single-pole

O with voltage transformers, 3 x single-pole, with earth-fault winding and damping resistor

Rating / Class:

IEC

O 10 VA / 0.5

O 10 VA / 1

O 20 VA / 0.5

O 20 VA / 1

O 50 VA / 1

ANSI

O WXY / 0.3

HV HRC fuse for voltage transformer:

X without (IEC only)

O with (ANSI only)

O Three-position disconnector at the voltage transformer
Rated continuous current and rated short-time withstand current according to the general technical stipulations,
with the switch positions CLOSED-OPEN-EARTHED,
installed in the gas-filled switchgear housing,
operation through slow motion mechanism, equipped with
X manual operating mechanism for DISCONNECTING function and EARTHING function
O motor operating mechanism for DISCONNECTING function and EARTHING function
with mechanical position indicator,
with auxiliary switch
DISCONNECTING function: 2NO+2NC
EARTHING function: 2NO+2NC

with mechanical position indicator,

with locking device,

with operating mechanism designed for separate operating levers (acc. to FNN recommendation)

Current transformers at the busbar:

X without current transformers at the busbar

O with current transformers at the busbar, 3 current transformers with 1 core

O with current transformers at the busbar, 3 current transformers with 2 cores

Current transformer values, core 1:

IEC

O 600A-1200A/1A; 15VA / Cl. 10P20

O 1250A-2500A/1A; 15VA / Cl. 10P20

O 600A-1200A/1A; 10VA / Cl. 0.5 / FS10

O 600A-1200A/1A; 10VA / Cl. 1 / FS10

O 1250A-2500A/1A; 10VA / Cl. 0.5 / FS10

O 1250A-2500A/1A; 10VA / Cl. 1 / FS10

ANSI

O 1200A MR/5A; Cl. C200

O 2000A MR/5A; Cl. C200

O 3000A MR/5A; Cl. C200

O 1200A MR/5A; Cl. 0.3B0.9

O 2000A MR/5A; Cl. 0.3B0.9

O 3000A MR/5A; Cl. 0.3B0.9

Current transformer values, core 2:

IEC

O 600A-1200A/1A; 15VA / Cl. 10P20

O 1250A-2500A/1A; 15VA / Cl. 10P20

O 600A-1200A/1A; 10VA / Cl. 0.5 / FS10

O 600A-1200A/1A; 10VA / Cl. 1 / FS10

O 1250A-2500A/1A; 10VA / Cl. 0.5 / FS10

O 1250A-2500A/1A; 10VA / Cl. 1 / FS10

ANSI

O 1200A MR/5A; Cl. C200

O 2000A MR/5A; Cl. C200

O 3000A MR/5A; Cl. C200

O 1200A MR/5A; Cl. 0.3B0.9

O 2000A MR/5A; Cl. 0.3B0.9

O 3000A MR/5A; Cl. 0.3B0.9

Earthing switch in busbar compartment:

X without earthing switch

O with earthing switch, with manual operating mechanism

O with earthing switch, with motor operating mechanism

Capacitive voltage detecting system at the busbar (tapping through capacitive layers in the busbar bushings):

X without

O ________ acc. to description

Top-mounted bus sectionalizer at the busbar:

X without

O to right-hand panel

O to left-hand panel

O Three-position disconnector for top-mounted bus sectionalizer
Rated continuous current and rated short-time withstand current according to the general technical stipulations,
with the switch positions CLOSED-OPEN-EARTHED or READY-TO-EARTH,
installed in the gas-filled switchgear housing for earthing the busbar (attention: the disconnector must not be operated under load; interlocks must be provided),
operation through slow motion mechanism, equipped with
X manual operating mechanism for DISCONNECTING function and EARTHING function
O motor operating mechanism for DISCONNECTING function and EARTHING function
with mechanical position indicator,
with auxiliary switch
DISCONNECTING function: 2NO+2NC
READY-TO-EARTH function: 2NO+2NC
with mechanical position indicator,
with locking device,
with operating mechanism designed for separate operating levers (acc. to FNN recommendation)

1 vacuum circuit-breaker
Rated continuous current and rated short-time withstand current according to the general technical stipulations,
with maintenance-free operating mechanism as stored-energy spring mechanism,
with motor operating mechanism, with AR capability acc. to VDE / IEC (=O-t-CO-t'-CO),
with mechanical pushbuttons for CLOSING and OPENING,
OPENING operation lockable,
with auxiliary switch, free contacts: 4NO+4NC,
with mechanical indication and signaling for "closing spring charged" and "circuit-breaker trip",
with counter for operating cycles,
with shunt release
Number of operating cycles: 10000
Capacitor bank circuit:
X single
O back-to-back

1 three-position disconnector
Rated continuous current and rated short-time withstand current according to the general technical stipulations,
with the switch positions CLOSED-OPEN-EARTHED or READY-TO-EARTH,
installed in the gas-filled switchgear housing for earthing the cable feeder (via circuit-breaker),
operation through slow motion mechanism, equipped with
X manual operating mechanism for DISCONNECTING function and EARTHING function
O motor operating mechanism for DISCONNECTING function and EARTHING function
with mechanical position indicator,
with auxiliary switch
DISCONNECTING function: 2NO+2NC
READY-TO-EARTH function: 2NO+2NC
with mechanical position indicator,
electromechanical interlock:
X without
O at the disconnector (-Y1)
O at the earthing switch (-Y5)
O at the disconnector and earthing switch
with locking device,
with operating mechanism designed for separate operating levers (acc. to FNN recommendation)

With capacitive voltage detecting system ________ at the feeder acc. to description.

Current transformers at the feeder:

X without

O 3 current transformers with 1 core

O 3 current transformers with 2 cores

O 3 current transformers with 3 cores (ANSI only)

Current transformer values, core 1:

IEC

O 100A-150A/1A; 2.5VA / Cl. 10P20

O 200A-500A/1A; 15VA / Cl. 10P20

O 600A-1200A/1A; 15VA / Cl. 10P20

O 1250A-2500A/1A; 15VA / Cl. 10P20

O 100A-150A/1A; 10VA / Cl. 1 / FS10

O 200A-500A/1A; 10VA / Cl. 0.5 / FS10

O 200A-500A/1A; 10VA / Cl. 1 / FS10

O 600A-1200A/1A; 10VA / Cl. 0.5 / FS10

O 600A-1200A/1A; 10VA / Cl. 1 / FS10

O 1250A-2500A/1A; 10VA / Cl. 0.5 / FS10

O 1250A-2500A/1A; 10VA / Cl. 1 / FS10

ANSI

O 600A MR/5A; Cl. C200

O 1200A MR/5A; Cl. C200

O 2000A MR/5A; Cl. C200

O 3000A MR/5A; Cl. C200

O 600A MR/5A; Cl. 0.3B0.9

O 1200A MR/5A; Cl. 0.3B0.9

O 2000A MR/5A; Cl. 0.3B0.9

O 3000A MR/5A; Cl. 0.3B0.9

Current transformer values, core 2:

IEC, GB, GOST

O 100A-150A/1A; 2.5VA / Cl. 10P20

O 200A-500A/1A; 15VA / Cl. 10P20

O 600A-1200A/1A; 15VA / Cl. 10P20

O 1250A-2500A/1A; 15VA / Cl. 10P20

O 100A-150A/1A; 10VA / Cl. 1 / FS10

O 200A-500A/1A; 10VA / Cl. 0.5 / FS10

O 200A-500A/1A; 10VA / Cl. 1 / FS10

O 600A-1200A/1A; 10VA / Cl. 0.5 / FS10

O 600A-1200A/1A; 10VA / Cl. 1 / FS10

O 1250A-2500A/1A; 10VA / Cl. 0.5 / FS10

O 1250A-2500A/1A; 10VA / Cl. 1 / FS10

ANSI

O 600A MR/5A; Cl. C200

O 1200A MR/5A; Cl. C200

O 2000A MR/5A; Cl. C200

O 3000A MR/5A; Cl. C200

O 600A MR/5A; Cl. 0.3B0.9

O 1200A MR/5A; Cl. 0.3B0.9

O 2000A MR/5A; Cl. 0.3B0.9

O 3000A MR/5A; Cl. 0.3B0.9

Current transformer values, core 3:

ANSI

O 600A MR/5A; Cl. C200

O 1200A MR/5A; Cl. C200

O 2000A MR/5A; Cl. C200

O 3000A MR/5A; Cl. C200

O 600A MR/5A; Cl. 0.3B0.9

O 1200A MR/5A; Cl. 0.3B0.9

O 2000A MR/5A; Cl. 0.3B0.9

O 3000A MR/5A; Cl. 0.3B0.9

Voltage transformers at the feeder, incl. earthing device for voltage transformers:

X without voltage transformers

O voltage transformers, plug-in type (IEC only)

O voltage transformers with cable connection

Rating / Class:

IEC

O 10 VA / 0.5

O 10 VA / 1

O 20 VA / 0.5

O 20 VA / 1

O 50 VA / 1

ANSI

O WXY / 0.3

HV HRC fuse for voltage transformer:

X without (IEC only)

O with (ANSI only)

Cable connection with inside-cone plug-in system according to EN 50181

Number of cables per phase / plug size at the panel connection:

at rated continuous current feeder up to 2500 A

X 1 / 1 x S2

O 1 / 1 x S3

O 2 / 2 x S2

O 2 / 1 x S2 and 1 x S3

O 2 / 2 x S3

O 3 / 3 x S2

O 3 / 2 x S2 and 1 x S3

O 3 / 1 x S2 and 2 x S3

O 3 / 3 x S3

O 4 / 4 x S2

O 4 / 3 x S2 and 1 x S3

O 4 / 2 x S2 and 2 x S3

O 4 / 1 x S2 and 3 x S3

O 4 / 4 x S3

O 5 / 5 x S2

O 5 / 4 x S2 and 1 x S3

O 5 / 3 x S2 and 2 x S3

O 5 / 2 x S2 and 3 x S3

O 5 / 1 x S2 and 4 x S3

O 5 / 5 x S3

O 6 / 6 x S2

O 6 / 2 x S2 and 4 x S3

O 6 / 1 x S2 and 5 x S3

O 6 / 6 x S3

Zero-sequence current transformer for earth-fault detection:

X without

O with

Zero-sequence current transformer version:

IEC

O 60A / 1A / 1.25VA / Cl. 1 FS 10

O 100A / 1A / 1.25VA / Cl. 1 FS 10

ANSI

O 50A / 5A C5

O 100A / 5A C10

O 200 A / 5A C20

Surge arresters/limiters, pluggable via inside-cone plug-in system:

X without

O with, plug size S2

1 mimic diagram (preferably printed)

1 low-voltage compartment

for accommodation of secondary devices, with terminal strips, completely wired, with feeder designation label.

Height:

X 850 mm

O 1200 mm

including the necessary secondary devices for control, protection and monitoring.

• Protection device according to preliminary description:
  O Universal protection device 7SX82
  O Universal protection device 7SX85
  O Universal protection device Compact 7X800
  O Feeder and overcurrent protection 7SJ82
  O Feeder and overcurrent protection 7SJ85
  O Motor protection 7SK82
  O Motor protection 7SK85
  O Generator protection 7UM85
  O Differential protection for
    two-winding transformers 7UT82
  O Transformer differential protection 7UT8
  O Line differential protection 7SD82
  O Distance protection 7SA82
  O Voltage and frequency protection 7RW80
  O Line differential protection 7SD80
  X Time-overcurrent protection 7SJ80
  O Motor protection 7SK80
  O Time-overcurrent protection 7SR11
  O Time-overcurrent protection 7SR12
  O Time-overcurrent and earth-fault protection 7SR100
  O Motor and generator protection 7SR105
  O Current-transformer operated time-overcurrent protection 7SR45
• Second protection device according to preliminary description:
  O Universal protection device 7SX82
  O Universal protection device 7SX85
  O Universal protection device Compact 7X800
  O Feeder and overcurrent protection 7SJ82
  O Feeder and overcurrent protection 7SJ85
  O Motor protection 7SK82
  O Motor protection 7SK85
  O Generator protection 7UM85
  O Differential protection for
    two-winding transformers 7UT82
  O Transformer differential protection 7UT8
  O Line differential protection 7SD82
  O Distance protection 7SA82
  O Voltage and frequency protection 7RW80
  O Line differential protection 7SD80
  O Time-overcurrent protection 7SJ80
  O Motor protection 7SK80
  O Time-overcurrent protection 7SR11
  O Time-overcurrent protection 7SR12
  O Time-overcurrent and earth-fault protection 7SR100
  O Motor and generator protection 7SR105
  O Current-transformer operated time-overcurrent protection 7SR45