Tender text
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Bill of quantities item (GAEB-like, for import into tendering software)
Source: https://celsa-messgeraete.de/en/planer – neutral, without manufacturer or type.

Item no. 01.0010
Short text: Plug-on current transformers
Long text:
Single-phase bar-primary current transformer for measuring purposes to IEC 61869-1+2, DIN VDE 0414,
dimensions to DIN 42600-2. Rated operating voltage 0.72 kV, rated short-time thermal current Iₜₕ =
60×Iₙ, instrument security factor FS 5 up to 1500 A / FS 10 above 1500 A. Insulation class E.

- Accuracy class: 0.5 or 1
- Rated primary current: ______ A
- Busbar cross-section: ____ x ____ mm
- Rated secondary current: 5 A or 1 A
- Rated burden: _________ VA

Finger-safe transformer with integrated secondary covers and short-circuit link. Compact design,
including fixing screws for busbar mounting and foot mounting brackets.
To be supplied and installed ready for operation.

Available versions (from product data, as of 21 Oct 2026):
- Rated primary current: 1 – 6000 A
- Rated secondary current / output: 1 A / 5 A / 333 mV
- Accuracy class: 0.5 / 1 / 3
- Rated burden: 1 – 30 VA
- Instrument security factor: FS 5 / FS 10
- Frequency: 50 / 50–60 Hz
- Round conductor: Ø 20 – 85 mm
- Busbar: 30 × 10 / 30 × 15 / 40 × 12 / 50 × 12 / 60 × 12 / 80 × 12 / 100 × 10 / 120 × 10 mm;
  multiple bars 2 – 4

Make offered: ______________   Type: ______________ (to be filled in by the bidder)
Quantity: ______ pcs          Unit price: ______________ €          Total: ______________ €

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Item no. 01.0020
Short text: Split-core current transformers for cables
Long text:
Split cable-type current transformer for measuring purposes to IEC 61869-1+2 (formerly IEC 60044-1),
DIN VDE 0414. Compact split design for retrofitting without interrupting the primary circuit; for
insulated conductors only.

- Accuracy class: ______________
- Rated primary current: ______ A
- Cable aperture / conductor Ø: ______ mm
- Rated secondary value: ______________
- Rated burden: ______________

Hinged core with secure latch – an audible click confirms correct mounting. Colour-coded secondary
lead. Suitable for digital metering and energy management systems.
To be supplied and installed ready for operation.

Available versions (from product data, as of 21 Oct 2026):
- Rated primary current: 60 – 1000 A
- Rated secondary current / output: 1 A / 5 A / 333 mV
- Accuracy class: 0.5 / 1 / 3
- Rated burden: 0.2 – 2 VA
- Instrument security factor: FS 5
- Frequency: 50 Hz
- Round conductor: Ø 18 – 42 mm
- Secondary lead length: 0.5 / 3 / 5 m

Make offered: ______________   Type: ______________ (to be filled in by the bidder)
Quantity: ______ pcs          Unit price: ______________ €          Total: ______________ €

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Item no. 01.0030
Short text: Split-core current transformers for busbars
Long text:
Busbar-type current transformer for measuring purposes to IEC 61869-1+2 (formerly IEC 60044-1), DIN
VDE 0414. Suitable for retrofitting, as the primary circuit need not be opened. Rated operating
voltage 0.72 kV, insulation class E.

- Accuracy class: ______________
- Rated primary current: ______ A
- Rated secondary current: ______ A
- Rated burden: ______ VA

Mounted over the existing busbar, encapsulated finger-safe design, including mounting material.
To be supplied and installed ready for operation.

Available versions (from product data, as of 21 Oct 2026):
- Rated primary current: 60 – 3000 A
- Rated secondary current / output: 1 A / 5 A / 333 mV
- Accuracy class: 0.5 / 1 / 3
- Rated burden: 0.4 – 60 VA
- Instrument security factor: FS 5
- Frequency: 50 Hz
- Round conductor: Ø 40 – 80 mm
- Busbar: 30 × 15 / 50 × 12 / 80 × 12 / 120 × 10 mm; multiple bars 2 – 4
- Secondary lead length: 0.5 / 3 / 5 m

Make offered: ______________   Type: ______________ (to be filled in by the bidder)
Quantity: ______ pcs          Unit price: ______________ €          Total: ______________ €

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Item no. 01.0040
Short text: Rogowski coils
Long text:
Flexible Rogowski current sensor (measuring coil) for AC measurement to IEC 61869-6 / IEC 61869-10.
Iron-free flexible coil placed around conductors or busbars without opening the primary circuit;
free of saturation over the entire measuring range.

- Coil diameter (aperture): ______ mm
- Output signal: ______________
- Lead length: ______ m
- Accuracy class to IEC 61869-10

Flexible coil with plug closure, large aperture, suitable for confined installations and
retrofitting. Wide linear range, iron-free (no burden limit). Including connecting lead.
To be supplied and installed ready for operation.

Available versions (from product data, as of 21 Oct 2026):
- Coil window: 95 / 140 / 190 mm
- Coil length: 300 / 450 / 600 mm
- Lead length: 3 / 5 / 10 m
- Ratio: 100 mV/kA @ 50 Hz
- Max. measurable current: 100 kA
- Linearity error: ± 0.2 % max. of reading
- Position error: ± 0.5 % max.
- Frequency range: 40 Hz ... 20000 Hz
- Rated insulation voltage: 1000 V AC (rms CAT III); 600 V AC (rms CAT IV)
- Test voltage: 10.45 kV DC (60 s)
- Degree of protection: IP 54
- Operating temperature: -30 to +80°C
- Standards: IEC 61869-10; IEC 61010-2-030; CE

Make offered: ______________   Type: ______________ (to be filled in by the bidder)
Quantity: ______ pcs          Unit price: ______________ €          Total: ______________ €

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Item no. 01.0050
Short text: Summation current transformers
Long text:
Summation current transformer for measuring purposes, adding the secondary currents of several main
current transformers, for main transformers with equal or unequal ratios.

- Number of inputs: ______ (2 to 9)
- Ratio of the main transformers: equal / unequal; ratios: ______________
- Rated secondary current (inputs and output): 5 A or 1 A
- Accuracy class: 0.5 or 1
- Rated burden: _________ VA
- Standard: ______________

Including mounting material.
To be supplied and installed ready for operation.

Available versions (from product data, as of 21 Oct 2026):
- Number of inputs: 2 – 9
- Main transformers: unequal ratio / equal ratio
- Rated secondary current: 1 or 5 A
- Accuracy class: 0.5 or 1
- Rated burden: 0.2 or 15 VA

Make offered: ______________   Type: ______________ (to be filled in by the bidder)
Quantity: ______ pcs          Unit price: ______________ €          Total: ______________ €

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Item no. 01.0060
Short text: Energy meters
Long text:
Electronic energy meter (active energy) for measuring electrical energy, MID compliant (Directive
2014/32/EU, modules B+D) to EN 50470-1/-3. For billing-relevant recording of energy consumption.

- Version: ______________
- Connection: ______________
- Rated voltage: ______________
- Interface: ______________
- Accuracy class: ______________ to EN 50470-3
- Display: LCD; DIN rail mounting

Compliant with metrology law (MID), suitable for active energy metering. Including mounting
material.
To be supplied and installed ready for operation.

Available versions (from product data, as of 21 Oct 2026):
- Phases: three-phase / single-phase
- Connection: 2 wire / 3/4 wire / 4 wire
- Measurement: direct connection / CT connection
- Max. current: 6 / 27 / 100 A
- Active energy: Class B according to EN 50470-3 / Class 1 according to EN 50470-3
- Reactive energy: Class 2 according to IEC/EN 62053-23
- Degree of protection: IP51
- Pulse output: electrical
- Mounting: DIN rail
- Width: 18 / 36 / 72 / 90 mm

Make offered: ______________   Type: ______________ (to be filled in by the bidder)
Quantity: ______ pcs          Unit price: ______________ €          Total: ______________ €

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Item no. 01.0070
Short text: Grid and system protection
Long text:
Grid and system protection relay (interface protection) monitoring voltage, frequency, ROCOF/vector
shift and phase sequence, with potential-free changeover relays to control the coupling switch. For
generating plants and storage (PV, CHP, storage, wind, hydro).

- Grid code / requirement of the network operator: ______________
- Measuring voltage: up to 3 × 400/230 V AC
- Auxiliary supply: 24 V DC or 110–230 V AC
- Outputs: 3 changeover contacts (potential-free)
- Digital inputs for feedback signals and remote shutdown
- Interface: ______________ (Modbus RTU optional)
- Event memory: 64 entries
- Mounting: DIN rail, width 107 mm

Functionally safe through internally redundant design, menu-guided operation, integrated test
function.
To be supplied, installed ready for operation and parameterised as specified by the network
operator.

Make offered: ______________   Type: ______________ (to be filled in by the bidder)
Quantity: ______ pcs          Unit price: ______________ €          Total: ______________ €

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