The Gestra NRA 1-1 e is a robust and reliable industrial electrode level controller designed for precise water level monitoring in steam boilers, tanks, and vessels. Manufactured by GESTRA AG, this unit features 18 electrode inputs, each with a corresponding LED indicator on the front panel for clear visual feedback on level status. Its durable IP 65 rated enclosure ensures protection against dust and water ingress, making it suitable for demanding industrial environments. The controller operates on a dual voltage supply, offering flexibility for various electrical systems.