The disconnector panels must be designed as follows:

In panel-type construction, equipped with:

1 set of busbars, insulated, Cu

Rated continuous current of the feeder:

O 1200 A (only ANSI)

X 1250 A

O 1600 A

O 2000 A

O 2500 A

O 2750 A

O 3000 A (only ANSI)

O 3150 A

The following systems for equipping the busbar compartment can only be installed individually, not at the same time:

• Voltage transformers at the busbar, with or without three-position disconnector
• Current transformers at the busbar
• Earthing switch in the busbar compartment
• Capacitive voltage detecting system
• 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, GB, GOST

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 (only IEC, GOST, GB)

O with (only ANSI)

O Three-position disconnector at the voltage transformer
Rated continuous current and rated short-time withstand current according to the general technical specifications,
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
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)

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, GB, GOST

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

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

O 2750A-3150A/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

O 2750A-3150A/1A; 10VA / Cl. 0.5 / FS10

O 2750A-3150A/1A; 10VA / Cl. 1 / FS10

ANSI

O 600A-1200A MR/5A; Cl. C200

O 1300A-2000A MR/5A; Cl. C200

O 2100A-2500A MR/5A; Cl. C200

O 2750A-3150A MR/5A; Cl. C200

O 600A-1200A MR/5A; Cl. 0.3B0.9

O 1300A-2000A MR/5A; Cl. 0.3B0.9

O 2100A-2500A MR/5A; Cl. 0.3B0.9

O 2750A-3150A MR/5A; Cl. 0.3B0.9

Current transformer values, core 2:

IEC, GB, GOST

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

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

O 2750A-3150A/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

O 2750A-3150A/1A; 10VA / Cl. 0.5 / FS10

O 2750A-3150A/1A; 10VA / Cl. 1 / FS10

ANSI

O 600A-1200A MR/5A; Cl. C200

O 1300A-2000A MR/5A; Cl. C200

O 2100A-2500A MR/5A; Cl. C200

O 2750A-3150A MR/5A; Cl. C200

O 600A-1200A MR/5A; Cl. 0.3B0.9

O 1300A-2000A MR/5A; Cl. 0.3B0.9

O 2100A-2500A MR/5A; Cl. 0.3B0.9

O 2750A-3150A 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

O with make-proof earthing switch, with manual operating mechanism

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

X without

O ________ acc. to description

Bus sectionalizer at the busbar compartment:

X without

O to right-hand panel

O to left-hand panel

O Three-position disconnector for bus sectionalizer
Rated continuous current and rated short-time withstand current according to the general technical specifications,
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,
with locking device,
with operating mechanism designed for separate operating levers (acc. to FNN recommendation)

1 three-position disconnector
Rated continuous current and rated short-time withstand current according to the general technical specifications,
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 (only ANSI)

Current transformer values, core 1:

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 2750A-3150A/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

O 2750A-3150A/1A; 10VA / Cl. 0.5 / FS10

O 2750A-3150A/1A; 10VA / Cl. 1 / FS10

ANSI

O 100A-150A MR/5A; Cl. C200

O 200A-500A MR/5A; Cl. C200

O 600A-1200A MR/5A; Cl. C200

O 1300A-2000A MR/5A; Cl. C200

O 2100A-2500A MR/5A; Cl. C200

O 2750A-3150A MR/5A; Cl. C200

O 100A-150A MR/5A; Cl. 0.3B0.9

O 200A-500A MR/5A; Cl. 0.3B0.9

O 600A-1200A MR/5A; Cl. 0.3B0.9

O 1300A-2000A MR/5A; Cl. 0.3B0.9

O 2100A-2500A MR/5A; Cl. 0.3B0.9

O 2750A-3150A 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 2750A-3150A/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

O 2750A-3150A/1A; 10VA / Cl. 0.5 / FS10

O 2750A-3150A/1A; 10VA / Cl. 1 / FS10

ANSI

O 100A-150A MR/5A; Cl. C200

O 200A-500A MR/5A; Cl. C200

O 600A-1200A MR/5A; Cl. C200

O 1300A-2000A MR/5A; Cl. C200

O 2100A-2500A MR/5A; Cl. C200

O 2750A-3150A MR/5A; Cl. C200

O 100A-150A MR/5A; Cl. 0.3B0.9

O 200A-500A MR/5A; Cl. 0.3B0.9

O 600A-1200A MR/5A; Cl. 0.3B0.9

O 1300A-2000A MR/5A; Cl. 0.3B0.9

O 2100A-2500A MR/5A; Cl. 0.3B0.9

O 2750A-3150A MR/5A; Cl. 0.3B0.9

Current transformer values, core 3:

ANSI

O 100A-150A MR/5A; Cl. C200

O 200A-500A MR/5A; Cl. C200

O 600A-1200A MR/5A; Cl. C200

O 1300A-2000A MR/5A; Cl. C200

O 2100A-2500A MR/5A; Cl. C200

O 2750A-3150A MR/5A; Cl. C200

Voltage transformers at the feeder, incl. disconnecting facility for voltage transformers:

X without voltage transformers

O voltage transformers, plug-in type

O voltage transformers with cable connection

Rating / Class:

IEC, GB, GOST

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 (only IEC, GOST, GB)

O with (only ANSI)

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

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

for rated continuous current of 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

for rated continuous current of feeder up to 3150 A

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 6 / 6 x S2

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.