Description
The Littelfuse LLC842F103M is a professional-grade conductive liquid level control relay engineered for dependable fluid monitoring in industrial and commercial environments. Part of the proven LLC8 series, this 120VAC relay protects pumps and equipment by detecting conductive liquid levels through probe inputs and triggering an internal relay when preset conditions are reached. A built-in fixed time delay eliminates nuisance switching caused by turbulence or splashing, while the onboard LED provides instant visual status confirmation — reducing troubleshooting time in the field. Whether you’re managing low-level cutoff protection in tanks, controlling pump cycles, or safeguarding HVAC and water treatment systems, the LLC842F103M delivers consistent, reliable performance in a compact chassis-mount package.
Key Features
- 120VAC operating voltage — compatible with standard industrial control systems
- Conductive liquid sensing via probe-based detection for accurate level monitoring
- Built-in fixed time delay for stable, chatter-free switching operation
- SPDT relay output for flexible pump, valve, or alarm control
- LED status indicator for at-a-glance operational monitoring
- Compact chassis-mount design for straightforward panel installation
Applications
- Low-level cutoff protection in tanks and reservoirs
- Pump control and liquid management systems
- HVAC condensate and water system monitoring
- Industrial fluid control and process automation
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