The auxiliary transformer panels must be designed as follows:

In panel-type construction, equipped with:

X 1 set of busbars, insulated, Cu (only possible if there is no lateral cable connection in the panel)

Voltage sensor at the busbar:

X without

O with (resistor divider)

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:

for IEC, GOST, GB:

O 10 VA / Cl. 0.2

O 10 VA / Cl. 0.5

O 10 VA / Cl. 1

O 20 VA / Cl. 0.2

O 20 VA / Cl. 0.5

O 20 VA / Cl. 1

O 45 VA / Cl. 1

O 60 VA / Cl. 1

for CSA:

O WXY / Cl. 0.3

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:

for IEC, GOST, GB:

O 600A-1200A/1A; 10VA / Cl. 0.2 / FS10

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

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

O 600A-1200A/1A; 15VA / Cl. 10P / 20

O 1250A-2500A/1A; 10VA / Cl. 0.2 / FS10

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

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

O 1250A-2500A/1A; 15VA / Cl. 10P / 20

for CSA:

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

O 1200A MR / 5A Cl. C200

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

O 2000A MR / 5A Cl. C200

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

O 3000A MR / 5A Cl. C200

Current transformer values, core 2:

for IEC, GOST, GB:

O 600A-1200A/1A; 10VA / Cl. 0.2 / FS10

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

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

O 600A-1200A/1A; 15VA / Cl. 10P / 20

O 1250A-2500A/1A; 10VA / Cl. 0.2 / FS10

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

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

O 1250A-2500A/1A; 15VA / Cl. 10P / 20

for CSA:

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

O 1200A MR / 5A Cl. C200

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

O 2000A MR / 5A Cl. C200

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

O 3000A MR / 5A Cl. C200

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

X without

O ________ acc. to description

1 three-position switch-disconnector
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 stainless-steel vessel for earthing the cable feeder,
operation through spring-operated mechanism with mechanical position indicator, equipped with
X manual operating mechanism for LOAD BREAKING function and EARTHING function + shunt release (-Y3)
O motor operating mechanism for LOAD BREAKING function (-Y2) and EARTHING function + shunt release (-Y3)
with auxiliary switch:
LOAD BREAKING function:
1NO+1NC+2CH.OV. with manual operating mechanism for LOAD BREAKING function and EARTHING function; 2NO+2NC+2CH.OV. with motor operating mechanism for LOAD BREAKING function and manual/motor operating mechanism for EARTHING function
EARTHING function:
1NO+1NC+2CH.OV. with manual operating mechanism for LOAD BREAKING function and EARTHING function; 2NO+2NC+2CH.OV. with motor operating mechanism for LOAD BREAKING function and manual/motor operating mechanism for EARTHING function
electromechanical interlock:
O without
O at the switch-disconnector (-Y1)
O at the earthing switch (-Y5)
X at the switch-disconnector and earthing switch (-Y1; -Y5)
with locking device
with operating mechanism designed for separate operating levers (acc. to FNN recommendation)

1 fuse assembly
with single-pole insulation-enclosed HV HRC fuse boxes mounted outside the SF6 vessel,
with 3-pole shutdown when one HV HRC fuse has tripped,
with signaling switch for indication: "HV HRC fuse tripped",
with closing lockout for the HV HRC fuse assembly (prevents any operation when the fuse cover is open)

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

Three-phase dry-type transformer:

X 40kVA, uk = 4%, Dyn5

O 40kVA, uk = 4%, Dyn1

O Lateral cable connection with cable bracket and pre-assembled cable clamp, suitable for connection of cable T-plugs, suitable for outside cone type C (only possible if there is no busbar in the panel).

Number of cables per phase: 1 (240 mm2)

Capacitive voltage detecting system ________ at the lateral cable

X without

O ________ acc. to description

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 761 mm
O 1161 mm
including the necessary secondary devices for control, protection and monitoring