Tender text – Grid and system protection
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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: 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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