Terminal Box Pressure sensor Level Transmitter Level Transmitter Accessories Series: KL 2 DOWNLOAD DATASHEET SUBMIT ENQUIRY Share this product ENLARGE Variants Description Description The terminal box KL 2 is intended for the professional electrical connection of submersible level transmitters. Thus, it is a cost-effective alternative to our well proven aluminium terminal box KL 1. A pressure balance item is responsible for the compensation of atmospheric pressure variations. On the supply side a cable without ventilation tube can be used. Vertical terminal clamps enable easy connection of cables inside the case. The KL 2 with optional overvoltage protection is additionally equipped with surge arresters with a nominal discharge current of 10 kA. As a further option the KL 2 is available with a HART® connection.