![[OMRON] — 61F-11N Floatless Level Switch Relay Unit (General/Long-distance/High/Low/Two-wire)](https://img.prosourcemro.com/2026/05/001-449-1024x683.png)
Level Switches
Omron
[OMRON] — 61F-11N Floatless Level Switch Relay Unit (General/Long-distance/High/Low/Two-wire)
Family ID: OMRON-61F-11N
Improved Design for a More Lightweight Construction and Reduced Standby Power Consumption.
5 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| 61F-11N | 61F-11N Relay Unit General-purpose | OMRON | Type: Floatless Level Switch Relay Unit | Sensitivity: General-purpose | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-11NL | 61F-11NL Relay Unit Long-distance (2km or 4km) | OMRON | Type: Floatless Level Switch Relay Unit | Sensitivity: Long-distance (2km or 4km) | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018; Long-distance: specify 2km or 4km when ordering | ||
| 61F-11NH | 61F-11NH Relay Unit High-sensitivity (for high specific resistance) | OMRON | Type: Floatless Level Switch Relay Unit | Sensitivity: High-sensitivity (for high specific resistance) | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-11ND | 61F-11ND Relay Unit Low-sensitivity (for low specific resistance) | OMRON | Type: Floatless Level Switch Relay Unit | Sensitivity: Low-sensitivity (for low specific resistance) | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-11NR | 61F-11NR Relay Unit Two-wire | OMRON | Type: Floatless Level Switch Relay Unit | Sensitivity: Two-wire | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 |
