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Series 72 - Level control relays 16A - FINDER
Level control relays are essential components in industrial automation for monitoring and regulating liquid levels in tanks, reservoirs, and other containers. The Series 72 from FINDER offers a robust 16A rated current capability, typically available in configurations with 1 or 2 changeover contacts (CO). These relays operate based on conductivi...
Level control relays are essential components in industrial automation for monitoring and regulating liquid levels in tanks, reservoirs, and other containers. The Series 72 from FINDER offers a robust 16A rated current capability, typically available in configurations with 1 or 2 changeover contacts (CO). These relays operate based on conductivity or resistance measurement between probes, making them ideal for conductive liquids like water, wastewater, and certain chemicals. They feature adjustable sensitivity settings, often from 5 to 100 kΩ, and operate on standard AC/DC control voltages such as 24V, 110V, or 230V. The compact design allows for DIN rail mounting, and they include LED indication for power and relay status. With a high switching capacity and mechanical endurance, these relays ensure reliable level detection and pump control in various industrial processes.
These level control relays are widely deployed in water and wastewater treatment plants, irrigation systems, industrial process tanks, and building services for sump pump control or tank filling/emptying automation. They are also used in HVAC systems for condensate drainage, in chemical processing for reagent level monitoring, and in food and beverage industries for ingredient storage tanks. The relays interface with probes or electrodes installed at different heights, providing start/stop signals for pumps, valves, or alarms. Their robust design suits harsh environments, with protection ratings up to IP20 for the relay itself, while probes may require higher IP ratings for submersion.
The Series 72 category includes subcategories such as 72.01 (1 CO contact, 16A) and 72.11 (2 CO contacts, 16A). Key article codes follow the pattern 72.01.0.024.0000, where the digits after the first two indicate the number of contacts (01 for 1 CO, 11 for 2 CO), the next digit (0) denotes the mounting type (DIN rail), and the following three digits (024) represent the coil voltage (e.g., 024 for 24V AC/DC). Other common voltages include 110 (110V) and 230 (230V). The final four digits are typically 0000 for standard versions. Accessories like probe holders and electrodes are also available under separate codes.
Partnering with Electric Automation Network ensures you receive genuine FINDER Series 72 relays with competitive pricing and real-time stock availability. Our engineering team provides personalized technical support for selecting the correct sensitivity range and probe configuration for your application. We offer express worldwide shipping, minimizing downtime for your critical level control systems. Each product includes detailed technical documentation, wiring diagrams, and setup guides to facilitate quick installation and commissioning.
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