OMRON 61F-G[]N specification

last update: September 16, 2015

Standard Models

Type	General-purpose Controllers 61F-[]N	Long-distance Controllers 61F-[]NL 2KM (2 km) 61F-[]NL 4KM (4 km)	High-sensitivity Controllers 61F-[]NH
Controlling materials and operating conditions	For control of ordinary purified water and wastewater	For control of ordinary purified water and wastewater. Particularly in cases where the distance between the pumps and water tanks or between supply and receiver tanks are far apart or where remote control is required.	For control of liquids with high specific resistance, such as distilled water
Rated voltage	100/200, 110/220 or 120/240 VAC, 50/60 Hz (both supported on same model)
Allowable voltage fluctuation range	85% to 110% of rated voltage
Inter-electrode voltage	8 VAC
Inter-electrode current	Approx. 1 mA AC max.
Power consumption	GN[]: 3 VA max., G1N[], G2N[], IN[]: 4 VA max., G3N[]: 5.5 VA max., G4N[]: 8.5 VA max.
Inter-electrode operation resistance (recommended values)	0 to approx. 4 kΩ	0 to 1.8 kΩ (for 2 km) 0 to 0.7 kΩ (for 4 km)	Approx. 10 kΩ to 40 kΩ *4
Inter-electrode release resistance (recommended values)	Approx. 15 k to ∞Ω	4 k to ∞Ω (for 2 km) 2.5 k to ∞Ω (for 4 km)	Approx. 100 k to ∞Ω
Cable length *2	1 km max.	2 km max. 4 km max.	50 m max.
Output	3 A, 200 VAC (Resistive load)
Ambient operating temperature	- 10 to 55 °C
Ambient operating humidity	45% to 85%
Insulation resistance *3	100 MΩ min. (at 500 VDC)
Dielectric strength *3	2,000 VAC, 50/60 Hz for 1 min.
Life expectancy	Electrical: 250,000 operations min. Mechanical: 10,000,000 operations min.
Weight	GN models: 315 g; G1N, G2N, IN models: 410 g; G3N models: 625g; G4N models: 870 g
Internal Circuit Diagrams	Example: 61F-GN	Example: 61F-GNL	Example: 61F-GNH

*1. The [] in the model name represents G, G1, G2, G3, G4, or I.
*2. The length when using completely insulated, 600-V, 3-core (0.75 mm²) cabtire cables. Usable cable lengths will
       become shorter as the cable diameter or number of cores becomes larger due to increased floating capacity. For
       details, refer to Safety Precautions for Floatless Level Controllers.
*3. The insulation resistance and dielectric strength are the values between power terminals and Electrode terminals,
       between power terminals and contact terminals, and between Electrode terminals and contact terminals. For details,
       refer to Safety Precautions for Floatless Level Controllers.
*4. Application is possible with 10 kΩ or less, however, this may cause reset failures.

Type	Low-sensitivity Controllers 61F-[]ND	Two-wire Controllers 61F-[]NR
Controlling materials and operating conditions	For control of liquids with low specific resistance, such as salt water, wastewater, acid chemicals, or alkaline chemicals	For control of ordinary purified water or wastewater. Used with a Two-wire Electrode Holder (incorporating a resistor of 6.8 k )
Rated voltage	100/200, 110/220 or 120/240 VAC, 50/60 Hz (supported by the same model)
Allowable Voltage Fluctuation	85% to 110% of rated voltage
Inter-electrode voltage	8 VAC
Inter-electrode current	Approx. 1 mA AC max.
Power consumption	GN[]: 3 VA max., G1N[], G2N[], IN[]: 4 VA max., G3N[]: 5.5 VA max., G4N[]: 8.5 VA max.
Inter-electrode operation resistance (recommended values)	0 to approx. 1.8 k	Approx. 0 to 1.1 k
Inter-electrode release resistance (recommended values)	Approx. 5 k to 0%	Approx. 15 k to 0%
Cable length *2	1 km max.	800 m max.
Output	3 A, 200 VAC (Resistive load)
Ambient operating temperature	- 10 to 55 °C
Ambient operating humidity	45% to 85%
Insulation resistance *3	100 MΩ min. (at 500 VDC)
Dielectric strength *3	2,000 VAC, 50/60 Hz for 1 min.
Life expectancy	Electrical: 250,000 operations min. Mechanical: 10,000,000 operations min.
Weight	GN models: 315 g; G1N, G2N, IN models: 410 g; G3N models: 625g; G4N models: 870 g
Internal Circuit Diagrams	Example: 61F-GND	Example: 61F-GNR

*1. The [] in the model name represents G, G1, G2, G3, G4, or I.
*2. The length when using completely insulated, 600-V, 3-core (0.75 mm²) cabtire cables. Usable cable lengths will
       become shorter as the cable diameter or number of cores becomes larger due to increased floating capacity. For
       details, refer to Safety Precautions for Floatless Level Controllers.
*3. The insulation resistance and dielectric strength are the values between power terminals and Electrode terminals,
       between power terminals and contact terminals, and between Electrode terminals and contact terminals. For details,
       refer to Safety Precautions for Floatless Level Controllers.
*4. Application is possible with 10 kΩ or less, however, this may cause reset failures.

last update: September 16, 2015

OMRON 61F-G[]N dimension

last update: September 24, 2012

61F-GN, -GNL, -GNH, -GND, -GNR

61F-G1N, -G1NL, -G1NH, -G1ND, -G1NR61F-G2N, -G2NL, -G2NH, -G2ND, G2NR61F-IN, - NL, -INH, -IND

61F-G3N, -G3NL, -G3NH, -G3ND, -G3NR, -G3N-NGD

61F-G4N, - G4NL, -G4NH, -G4ND, -G4NR, -G4N-KYD

last update: September 24, 2012

OMRON 61F-G[]N catalog

• Catalog
• Manual
• CAD

English

Global Edition

For ordering in Singapore, please note some product models not sold in Singapore may be included in the following catalog(s) for our global customers.

*It is recommended to select “Save” from the right-click due to large size of catalog PDF data.

Catalog Name	Catalog Number [size]	Last Update
61F-G[]N Data Sheet	- [1710KB]	Apr 02, 201820180402	61F-G[]N Data Sheet
Device Selection Guide for Water Level Control Applications	N217-E1-01 [2428KB]	Jun 12, 201720170612	Device Selection Guide for Water Level Control Applications

OMRON 61F-G[]N lineup

last update: April 2, 2018

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.

           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.

last update: April 2, 2018

• NO. 61F-G[]N
• TYPE:Level Switches Floatless Level Controllers Copyright Statement
• DATE:2021-06-09
• Associated products:
  61F-GPN-BT / -BC Conductive Level Controller/Features 61F-G[] Floatless Level Switch (Basic Type)/Features