Description
The Littelfuse LLC843F26P is a professional-grade conductive liquid level sensing relay engineered for precise, reliable monitoring and control of liquid levels across demanding industrial and commercial environments. Part of the proven LLC8 series and operating at 120VAC, this relay delivers dependable performance in pump control, tank level regulation, and high/low-level protection applications — including HVAC systems, water treatment facilities, and general industrial fluid management.
Using probe-based conductivity sensing, the LLC843F26P detects liquid presence and automatically activates or deactivates its internal relay based on preset level conditions. Built-in timing functions prevent nuisance switching caused by turbulence or splashing, while front-facing LED status indicators give technicians instant visual confirmation of system state — reducing troubleshooting time and improving uptime.
Key Features
- 120VAC operating voltage — ready for standard industrial control panel integration
- Conductive probe-based sensing — accurate, non-mechanical liquid level detection
- Pump control and tank level monitoring — supports fill, drain, and level protection modes
- Built-in time delay — ensures stable, chatter-free relay switching performance
- LED status indicators — provides clear, at-a-glance operational feedback
- Compact panel-mount design — easy installation in tight control enclosures
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