Product Category

Switches

Level Switches

Floatless Level Controllers

K8AK-LS

61F-G[]N

61F-G[]

61F-LS

61F-G[]P

61F-UHS / HSL

61F-AO

61F-AN

Floatless Level Switch (Compact Type)

61F-G[]N

Improved Design for a More Lightweight Construction and Reduced Standby Power Consumption.

Line Up
Specification

Classification by application

Set contents

General-
 purpose

Long-
 distance
 (between
 Controller
 and Elec-
 trodes)
 (See
 note 2.)

High-
 sensitivity
 (for high
 specific
 resistance)

Low-
 sensitivity
 (for low
 specific
 resistance)

Two wire

Classification by control
 purpose

Con-
 troller

GN
 Models

*1

61F-GN Base x 1
 61F-11[] Units x 1

61F-GN
 *

61F-GNL
 *

61F-GNH
 *

61F-GND
 *

61F-GNR
 *

G1N
 Models

*2 w/pump
 idling
 prevention

61F-G1N Base x 1
 61F-11[] Units x 2

61F-G1N
 *

61F-G1NL
 *

61F-G1NH
 *

61F-G1ND
 *

61F-G1NR
 *

*2 w/alarm
 for abnor-
 mally low
 level

G2N
 Models

*1 w/alarm
 for abnor-
 mally high
 level

61F-G2N Base x 1
 61F-11[] Units x 2

61F-G2N
 *

61F-G2NL
 *

61F-G2NH
 *

61F-G2ND
 *

61F-G2NR
 *

G3N
 Models

*1 w/alarm
 for abnor-
 mally high
 and low
 levels

61F-G3N Base x 1
 61F-11[] Units x 3

61F-G3N
 *

61F-G3NL
 *

61F-G3NH
 *

61F-G3ND
 *

61F-G3NR
 *

G4N
 Models

*2 w/level
 display of
 water
 source
 and tank

61F-G4N Base x 1
 61F-11[] Units x 5
 MY3 Relay x 1

61F-G4N
 *

61F-G4NL
 *

61F-G4NH
 *

61F-G4ND
 *

61F-G4NR
 *

IN
 Models

Level
 indication
 with alarm

61F-IN Base x 1
 61F-11[] Units x 2

61F-IN
 *

61F-INL
 *

61F-INH
 *

61F-IND
 *

61F-INR

Relay unit

61F-11[] Units x 1

61F-11N

61F-11NL

61F-11NH

61F-11ND

61F-11NR

Note: 1. 1: Automatic water supply and drainage control, *2: Automatic water supply control
 2. Subclassified into 2 km and 4 km models according to the model of relay unit used. Specify 2 km or 4 km when ordering. 

3. When ordering, specify the desired operating voltage at the end of the model number.

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           4. Contact your OMRON representative for products with voltages other than those listed above.
            5. If you order with a standard model number, the corresponding Relay Units are also delivered as part of a set.
                If you order the 61F-GN, one 61F-11 Relay Unit is included in the set.
 * 61F-G[]N (120/240 VAC) in this catalog have been discontinued at the end of March 2018.