Operating instructions for Kobold NAB and NEC liquid level switches, covering installation, electrical connection, maintenance, and technical specifications.
This document provides operating instructions for the Kobold NAB and NEC level switches designed for liquid monitoring and direct pump control. The NAB model features a polypropylene housing with a neoprene cable, while the NEC model utilizes a double-cone float design with a Hypalon-coated cable option for aggressive media. Both models are equipped with mechanical microswitches for high-capacity switching.
| Max. temperature | 85 °C |
|---|---|
| Max. pressure | 3.5 bar |
| Class of protection | IP 68 |
| Switch capacity (resistive) | 20 A |
| Switch capacity (inductive) | 8 A |
| Power supply | 250 V AC; 50 / 60 Hz |
The NAB model is suited for level monitoring of liquids and direct pump control using a mechanical switch with high switch capacity.
Yes, the NEC-HY930 variant features a Hypalon-coated float designed for aggressive media.
The actuating angle for the NAB model is 110°, which is 55° from the horizontal plane in both directions.