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
LLC1 Series – Open Board Liquid Level Controls -- LLC14A1AX	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.
LLC1 Series – Open Board Liquid Level Controls -- LLC14A5AX	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.
LLC1 Series – Open Board Liquid Level Controls -- LLC14B15AX	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.
LLC1 Series – Open Board Liquid Level Controls -- LLC14B1AX	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.
LLC1 Series – Open Board Liquid Level Controls -- LLC14B60AX	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.
LLC1 Series – Open Board Liquid Level Controls -- LLC16A25AX	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.
LLC1 Series – Open Board Liquid Level Controls -- LLC16A3AX	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.
LLC2 Series – Open Board Liquid Level Controls -- LLC24A2AN	LLC24A2AN is a dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC2 Series – Open Board Liquid Level Controls -- LLC24A2F50N	LLC24A2F50N is a dual-probe conductive liquid level control with ac input voltage of 120 and a fixed sensing resistance of 50 kΩ.
LLC2 Series – Open Board Liquid Level Controls -- LLC24B1AC	LLC24B1AC is a dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC2 Series – Open Board Liquid Level Controls -- LLC24B2F50N	LLC24B2F50N is a dual-probe conductive liquid level control with ac input voltage of 120 and a fixed sensing resistance of 50 kΩ.
LLC2 Series – Open Board Liquid Level Controls -- LLC26A1F25C	LLC26A1F25C is a dual-probe conductive liquid level control with ac input voltage of 230 and a fixed sensing resistance of 25 kΩ.
LLC4 Series – Liquid Level Controller -- LLC42A10A	LLC42A10A is a single-probe liquid level control with ac input voltage of 24 and a fixed time delay of 10 s.
LLC4 Series – Liquid Level Controller -- LLC42A1A	LLC42A1A is a single-probe liquid level control with ac input voltage of 24 and a fixed time delay of 1 s.
LLC4 Series – Liquid Level Controller -- LLC42B15A	LLC42B15A is a single-probe liquid level control with ac input voltage of 24 and a fixed time delay of 15 s.
LLC4 Series – Liquid Level Controller -- LLC44A10A	LLC44A10A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 10 s.
LLC4 Series – Liquid Level Controller -- LLC44A1A	LLC44A1A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 1 s.
LLC4 Series – Liquid Level Controller -- LLC44A2A	LLC44A2A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 2 s.
LLC4 Series – Liquid Level Controller -- LLC44A4A	LLC44A4A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 4 s.
LLC4 Series – Liquid Level Controller -- LLC44A5A	LLC44A5A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 5 s.
LLC4 Series – Liquid Level Controller -- LLC44A60A	LLC44A60A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 60 s.
LLC4 Series – Liquid Level Controller -- LLC44B1A	LLC44B1A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 1 s.
LLC4 Series – Liquid Level Controller -- LLC44B20A	LLC44B20A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 20 s.
LLC4 Series – Liquid Level Controller -- LLC44B2A	LLC44B2A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 2 s.
LLC4 Series – Liquid Level Controller -- LLC44B30A	LLC44B30A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 30 s.
LLC4 Series – Liquid Level Controller -- LLC44B4A	LLC44B4A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 4 s.
LLC4 Series – Liquid Level Controller -- LLC44B5A	LLC44B5A is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 5 s.
LLC4 Series – Liquid Level Controller -- LLC44B5F100	LLC44B5F100 is a single-probe liquid level control with ac input voltage of 120 and a fixed time delay of 5 s.
LLC Series – Liquid Level Controls -- LLC52AA	LLC52AA provides dual-probe conductive liquid level control with ac input voltage of 24 and adjustable sensing resistance to 100 kΩ.
LLC Series – Liquid Level Controls -- LLC52BA	LLC52BA provides dual-probe conductive liquid level control with ac input voltage of 24 and adjustable sensing resistance to 100 kΩ.
LLC Series – Liquid Level Controls -- LLC54AA	LLC54AA provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC Series – Liquid Level Controls -- LLC54AAS	LLC54AAS provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC Series – Liquid Level Controls -- LLC54AF10	LLC54AF10 provides dual-probe conductive liquid level control with ac input voltage of 120 and fixed sensing resistance of 10 kΩ.
LLC Series – Liquid Level Controls -- LLC54BA	LLC54BA provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC Series – Liquid Level Controls -- LLC54BAS	LLC54BAS provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 kΩ.
LLC Series – Liquid Level Controls -- LLC56AA	LLC56AA provides dual-probe conductive liquid level control with ac input voltage of 230 and adjustable sensing resistance to 100 kΩ.
LLC6 Series – Low-Level Cutoff Liquid Level Control -- LLC6210F10M	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.
LLC6 Series – Low-Level Cutoff Liquid Level Control -- LLC6410F10M	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.
LLC6 Series – Low-Level Cutoff Liquid Level Control -- LLC643F26M	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.
LLC8 Series – Low-Level Cutoff Liquid Level Control -- LLC825F5M	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.
LLC8 Series – Low-Level Cutoff Liquid Level Control -- LLC842F103M	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.
LLC8 Series – Low-Level Cutoff Liquid Level Control -- LLC843F10M	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.
LLC8 Series – Low-Level Cutoff Liquid Level Control -- LLC843F10P	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.
LLC8 Series – Low-Level Cutoff Liquid Level Control -- LLC843F26M	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.
LLC8 Series – Low-Level Cutoff Liquid Level Control -- LLC843F26P	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.
LLC8 Series – Low-Level Cutoff Liquid Level Control -- LLC845F25P	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.
LLC8 Series – Low-Level Cutoff Liquid Level Control -- LLC8610F12M	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.
Relays, Contactors & Transformers - Single-Function & Control Relays - Pump Controls & Liquid Level Controls - Series: ACBC - ACBC-120 -- ACBC-120 Relays, Contactors & Transformers - Single-Function & Control Relays - Pump Controls & Liquid Level Controls - Series: ACBC - ACBC-120-SD -- ACBC-120-SD	The ACBC-120 is a dual purpose alarm controller/battery charging unit. When there is a loss of 120VAC power, the ACBC-120’s primary function as an alarm controller activates. When this power...
Relays, Contactors & Transformers - Single-Function & Control Relays - Pump Controls & Liquid Level Controls - Series: LLC6 - LLC6610F5P -- LLC6610F5P	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...

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