Littelfuse, Inc. Datasheets for Level Controllers

Level controllers monitor, regulate, and control liquid or solid levels in a process.
Level Controllers: Learn more

Product Name Notes
LLC14A1AX is a single-probe, open board conductive liquid level control with input voltage ac of 120 and a fixed time delay of 1 s.
LLC14A5AX is a single-probe, open board conductive liquid level control with input voltage ac of 120 and a fixed time delay of 5 s.
LLC14B15AX is a single-probe, open board conductive liquid level control with input voltage ac of 120 and a fixed time delay of 15 s.
LLC14B1AX is a single-probe, open board conductive liquid level control with input voltage ac of 120 and a fixed time delay of 1 s.
LLC14B60AX is a single-probe, open board conductive liquid level control with input voltage ac of 120 and a fixed time delay of 60 s.
LLC16A25AX is a single-probe, open board conductive liquid level control with input voltage ac of 230 and a fixed time delay of 25 s.
LLC16A3AX is a single-probe, open board conductive liquid level control with input voltage ac of 230 and a fixed time delay of 3 s.
LLC24A2AN is a dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC24A2F50N is a dual-probe conductive liquid level control with ac input voltage of 120 and a fixed sensing resistance of 50 kΩ.
LLC24B1AC is a dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC24B2F50N is a dual-probe conductive liquid level control with ac input voltage of 120 and a fixed sensing resistance of 50 kΩ.
LLC26A1F25C is a dual-probe conductive liquid level control with ac input voltage of 230 and a fixed sensing resistance of 25 kΩ.
LLC42A10A is a single-probe liquid level control with ac input voltage of 24 and a fixed time delay of 10 s.
LLC42A1A is a single-probe liquid level control with ac input voltage of 24 and a fixed time delay of 1 s.
LLC42B15A is a single-probe liquid level control with ac input voltage of 24 and a fixed time delay of 15 s.
LLC44A10A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 10 s.
LLC44A1A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 1 s.
LLC44A2A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 2 s.
LLC44A4A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 4 s.
LLC44A5A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 5 s.
LLC44A60A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 60 s.
LLC44B1A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 1 s.
LLC44B20A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 20 s.
LLC44B2A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 2 s.
LLC44B30A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 30 s.
LLC44B4A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 4 s.
LLC44B5A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 5 s.
LLC44B5F100 is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 5 s.
LLC52AA provides dual-probe conductive liquid level control with ac input voltage of 24 and adjustable sensing resistance to 100 kΩ.
LLC52BA provides dual-probe conductive liquid level control with ac input voltage of 24 and adjustable sensing resistance to 100 kΩ.
LLC54AA provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC54AAS provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC54AF10 provides dual-probe conductive liquid level control with ac input voltage of 120 and fixed sensing resistance of 10 kΩ.
LLC54BA provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC54BAS provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC56AA provides dual-probe conductive liquid level control with ac input voltage of 230 and adjustable sensing resistance to 100 kΩ.
LLC6210F10M is a low level, conductive liquid level control with ac input voltage of 24, a fixed time delay of 10 s, and sensing resistance fixed at 10 kΩ.
LLC6410F10M is a low level, conductive liquid level control with ac input voltage of 120, a fixed time delay of 3 s, and sensing resistance fixed at 10 kΩ.
LLC643F26M is a low level, conductive liquid level control with ac input voltage of 120, a fixed time delay of 10 s, and sensing resistance fixed at 26 kΩ.
LLC825F5M is a low level, conductive liquid level control with ac input voltage of 24, a fixed time delay of 5 s, and sensing resistance fixed at 5 kΩ.
LLC842F103M is a low level, conductive liquid level control with ac input voltage of 120, a fixed time delay of 2 s, and sensing resistance fixed at 103 kΩ.
LLC843F10M is a low level, conductive liquid level control with ac input voltage of 120, a fixed time delay of 3 s, and sensing resistance fixed at 10 kΩ.
LLC843F10P is a low level, conductive liquid level control with ac input voltage of 120, a fixed time delay of 3 s, and sensing resistance fixed at 10 kΩ.
LLC843F26M is a low level, conductive liquid level control with ac input voltage of 120, a fixed time delay of 3 s, and sensing resistance fixed at 26 kΩ.
LLC843F26P is a low level, conductive liquid level control with ac input voltage of 120, a fixed time delay of 3 s, and sensing resistance fixed at 26 kΩ.
LLC845F25P is a low level, conductive liquid level control with ac input voltage of 120, a fixed time delay of 5 s, and sensing resistance fixed at 15 kΩ.
LLC8610F12M is a low level, conductive liquid level control with ac input voltage of 230, a fixed time delay of 10 s, and sensing resistance fixed at 12 kΩ.
The LLC4 combines resistance sensing circuitry with solid-state timing to provide single probe level maintenance. On adjustable units, the sensitivity adjustment allows accurate level sensing while ignoring foaming agents and...
The LLC6 Series is a plug-in, single-probe conductive liquid level control designed for low liquid level cutoff protection. It offers a factory fixed time delay of 1 - 60s and...