![[OMRON] — 61F-G[]N Floatless Level Switch Controller (Compact, GN/G1N/G2N/G3N/G4N/IN)](https://img.prosourcemro.com/2026/05/001-449-1024x683.png)
Level Switches
Omron
[OMRON] — 61F-G[]N Floatless Level Switch Controller (Compact, GN/G1N/G2N/G3N/G4N/IN)
Family ID: OMRON-61F-GN
Improved Design for a More Lightweight Construction and Reduced Standby Power Consumption.
30 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| 61F-GN | 61F GN General-purpose | OMRON | Type: Floatless Level Switch Controller | Model: GN | Function: General-purpose | Application: *1 Automatic water supply and drainage control | Sensitivity: General-purpose | Set Contents: 61F-GN Base × 1 + 61F-11[] Unit × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-GNL | 61F GNL Long-distance (2km or 4km) | OMRON | Type: Floatless Level Switch Controller | Model: GNL | Function: General-purpose | Application: *1 Automatic water supply and drainage control | Sensitivity: Long-distance (2km or 4km) | Set Contents: 61F-GN Base × 1 + 61F-11[] Unit × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018; Long-distance: specify 2km or 4km when ordering | ||
| 61F-GNH | 61F GNH High-sensitivity (for high specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: GNH | Function: General-purpose | Application: *1 Automatic water supply and drainage control | Sensitivity: High-sensitivity (for high specific resistance) | Set Contents: 61F-GN Base × 1 + 61F-11[] Unit × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-GND | 61F GND Low-sensitivity (for low specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: GND | Function: General-purpose | Application: *1 Automatic water supply and drainage control | Sensitivity: Low-sensitivity (for low specific resistance) | Set Contents: 61F-GN Base × 1 + 61F-11[] Unit × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-GNR | 61F GNR Two-wire | OMRON | Type: Floatless Level Switch Controller | Model: GNR | Function: General-purpose | Application: *1 Automatic water supply and drainage control | Sensitivity: Two-wire | Set Contents: 61F-GN Base × 1 + 61F-11[] Unit × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G1N | 61F G1N General-purpose | OMRON | Type: Floatless Level Switch Controller | Model: G1N | Function: General-purpose w/pump idling prevention | Application: *2 Automatic water supply control | Sensitivity: General-purpose | Set Contents: 61F-G1N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G1NL | 61F G1NL Long-distance (2km or 4km) | OMRON | Type: Floatless Level Switch Controller | Model: G1NL | Function: General-purpose w/pump idling prevention | Application: *2 Automatic water supply control | Sensitivity: Long-distance (2km or 4km) | Set Contents: 61F-G1N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018; Long-distance: specify 2km or 4km when ordering | ||
| 61F-G1NH | 61F G1NH High-sensitivity (for high specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: G1NH | Function: General-purpose w/pump idling prevention | Application: *2 Automatic water supply control | Sensitivity: High-sensitivity (for high specific resistance) | Set Contents: 61F-G1N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G1ND | 61F G1ND Low-sensitivity (for low specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: G1ND | Function: General-purpose w/pump idling prevention | Application: *2 Automatic water supply control | Sensitivity: Low-sensitivity (for low specific resistance) | Set Contents: 61F-G1N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G1NR | 61F G1NR Two-wire | OMRON | Type: Floatless Level Switch Controller | Model: G1NR | Function: General-purpose w/pump idling prevention | Application: *2 Automatic water supply control | Sensitivity: Two-wire | Set Contents: 61F-G1N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G2N | 61F G2N General-purpose | OMRON | Type: Floatless Level Switch Controller | Model: G2N | Function: w/alarm for abnormally high level | Application: *1 Automatic water supply and drainage control | Sensitivity: General-purpose | Set Contents: 61F-G2N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G2NL | 61F G2NL Long-distance (2km or 4km) | OMRON | Type: Floatless Level Switch Controller | Model: G2NL | Function: w/alarm for abnormally high level | Application: *1 Automatic water supply and drainage control | Sensitivity: Long-distance (2km or 4km) | Set Contents: 61F-G2N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018; Long-distance: specify 2km or 4km when ordering | ||
| 61F-G2NH | 61F G2NH High-sensitivity (for high specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: G2NH | Function: w/alarm for abnormally high level | Application: *1 Automatic water supply and drainage control | Sensitivity: High-sensitivity (for high specific resistance) | Set Contents: 61F-G2N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G2ND | 61F G2ND Low-sensitivity (for low specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: G2ND | Function: w/alarm for abnormally high level | Application: *1 Automatic water supply and drainage control | Sensitivity: Low-sensitivity (for low specific resistance) | Set Contents: 61F-G2N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G2NR | 61F G2NR Two-wire | OMRON | Type: Floatless Level Switch Controller | Model: G2NR | Function: w/alarm for abnormally high level | Application: *1 Automatic water supply and drainage control | Sensitivity: Two-wire | Set Contents: 61F-G2N Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G3N | 61F G3N General-purpose | OMRON | Type: Floatless Level Switch Controller | Model: G3N | Function: w/alarm for abnormally high and low levels | Application: *1 Automatic water supply and drainage control | Sensitivity: General-purpose | Set Contents: 61F-G3N Base × 1 + 61F-11[] Unit × 3 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G3NL | 61F G3NL Long-distance (2km or 4km) | OMRON | Type: Floatless Level Switch Controller | Model: G3NL | Function: w/alarm for abnormally high and low levels | Application: *1 Automatic water supply and drainage control | Sensitivity: Long-distance (2km or 4km) | Set Contents: 61F-G3N Base × 1 + 61F-11[] Unit × 3 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018; Long-distance: specify 2km or 4km when ordering | ||
| 61F-G3NH | 61F G3NH High-sensitivity (for high specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: G3NH | Function: w/alarm for abnormally high and low levels | Application: *1 Automatic water supply and drainage control | Sensitivity: High-sensitivity (for high specific resistance) | Set Contents: 61F-G3N Base × 1 + 61F-11[] Unit × 3 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G3ND | 61F G3ND Low-sensitivity (for low specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: G3ND | Function: w/alarm for abnormally high and low levels | Application: *1 Automatic water supply and drainage control | Sensitivity: Low-sensitivity (for low specific resistance) | Set Contents: 61F-G3N Base × 1 + 61F-11[] Unit × 3 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G3NR | 61F G3NR Two-wire | OMRON | Type: Floatless Level Switch Controller | Model: G3NR | Function: w/alarm for abnormally high and low levels | Application: *1 Automatic water supply and drainage control | Sensitivity: Two-wire | Set Contents: 61F-G3N Base × 1 + 61F-11[] Unit × 3 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G4N | 61F G4N General-purpose | OMRON | Type: Floatless Level Switch Controller | Model: G4N | Function: w/level display of water source and tank | Application: *2 Automatic water supply control | Sensitivity: General-purpose | Set Contents: 61F-G4N Base × 1 + 61F-11[] Unit × 5 + MY3 Relay × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G4NL | 61F G4NL Long-distance (2km or 4km) | OMRON | Type: Floatless Level Switch Controller | Model: G4NL | Function: w/level display of water source and tank | Application: *2 Automatic water supply control | Sensitivity: Long-distance (2km or 4km) | Set Contents: 61F-G4N Base × 1 + 61F-11[] Unit × 5 + MY3 Relay × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018; Long-distance: specify 2km or 4km when ordering | ||
| 61F-G4NH | 61F G4NH High-sensitivity (for high specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: G4NH | Function: w/level display of water source and tank | Application: *2 Automatic water supply control | Sensitivity: High-sensitivity (for high specific resistance) | Set Contents: 61F-G4N Base × 1 + 61F-11[] Unit × 5 + MY3 Relay × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G4ND | 61F G4ND Low-sensitivity (for low specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: G4ND | Function: w/level display of water source and tank | Application: *2 Automatic water supply control | Sensitivity: Low-sensitivity (for low specific resistance) | Set Contents: 61F-G4N Base × 1 + 61F-11[] Unit × 5 + MY3 Relay × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-G4NR | 61F G4NR Two-wire | OMRON | Type: Floatless Level Switch Controller | Model: G4NR | Function: w/level display of water source and tank | Application: *2 Automatic water supply control | Sensitivity: Two-wire | Set Contents: 61F-G4N Base × 1 + 61F-11[] Unit × 5 + MY3 Relay × 1 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-IN | 61F IN General-purpose | OMRON | Type: Floatless Level Switch Controller | Model: IN | Function: Level indication with alarm | Application: Level indication with alarm | Sensitivity: General-purpose | Set Contents: 61F-IN Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-INL | 61F INL Long-distance (2km or 4km) | OMRON | Type: Floatless Level Switch Controller | Model: INL | Function: Level indication with alarm | Application: Level indication with alarm | Sensitivity: Long-distance (2km or 4km) | Set Contents: 61F-IN Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018; Long-distance: specify 2km or 4km when ordering | ||
| 61F-INH | 61F INH High-sensitivity (for high specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: INH | Function: Level indication with alarm | Application: Level indication with alarm | Sensitivity: High-sensitivity (for high specific resistance) | Set Contents: 61F-IN Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-IND | 61F IND Low-sensitivity (for low specific resistance) | OMRON | Type: Floatless Level Switch Controller | Model: IND | Function: Level indication with alarm | Application: Level indication with alarm | Sensitivity: Low-sensitivity (for low specific resistance) | Set Contents: 61F-IN Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 | ||
| 61F-INR | 61F INR Two-wire | OMRON | Type: Floatless Level Switch Controller | Model: INR | Function: Level indication with alarm | Application: Level indication with alarm | Sensitivity: Two-wire | Set Contents: 61F-IN Base × 1 + 61F-11[] Unit × 2 | Note: Specify operating voltage when ordering; 120/240VAC models discontinued March 2018 |
