61F-LS-CP[]-N
 (Normal)

61F-LS-CP[]-S/-A
 (High functionality)

61F-LS-CP11-B
 (DC power supply)

Controlling materials
 and operating
 conditions

• For control of ordinary
 purified water or sewage
 water
 • For control of ordinary
 purified water or sewage
 where operating ambient
 temperature is high.
 • For control of ordinary
 purified water in cases
 where the distance
 between sewage pumps
 and water tanks or
 between receiver tanks
 and supply tanks is
 long or where remote
 control is required.

• For control of liquids with
 high specific resistance such
 as distilled water
 • For control of liquids with
 low specific resistance such
 as salt water, sewage water,
 acid chemicals, alkali
 chemicals

• When using DC power
 • When using battery power,
 etc.

Supply
 voltage/frequency

100 - 240 VAC 50/60 Hz

100 - 240 VAC 50/60 Hz
 24 VAC 50/60 Hz

24 VDC

Operating voltage
 range

85% to 110% of rated
 voltage

85% to 110% of rated
 voltage

85% to 110% of rated
 voltage

Operating frequency
 range

±5 Hz of the rated frequency

±5 Hz of the rated frequency

±5 Hz of the rated frequency

Power consumption

Approx. 3.2 VA max.

Approx. 3.2 VA max.

Approx. 1 W max.

Contact ratings

5 A at 250 VAC
 (Resistive load (cosφ = 1))
 1 A at 250 VAC
 (Inductive load (cosφ = 0.4))
 Minimum applicable load
 5 VDC, 1 mA
 (reference value)

5 A at 250 VAC
 (Resistive load (cosφ = 1))
 1 A at 250 VAC
 (Inductive load (cosφ = 0.4))
 Minimum applicable load
 5 VDC, 1 mA
 (reference value)

Transistor output
 Open collector (NPN)
 30 VDC, 100 mA,
 leak current 100 μA or less
 Relay output (1a)
 30 VDC 5 A,
 240 VAC 5 A (resistive load)
 Minimum applicable load
 5 VDC, 10 mA
 (reference value)

Ambient temperature

-10 to +70°C

-10 to +70°C

-10 to +55°C

Ambient humidity

25 to 90% RH

25 to 90% RH

25 to 85% RH

Ambient storage
 temperature

-10 to +70°C

-10 to +70°C

-10 to +55°C

Ambient storage
 humidity

25 to 90% RH

25 to 90% RH

25 to 85% RH

Weight

Approx. 100 g

Approx. 100 g

Approx. 100 g

Accessories

PFC-N8

Wiring distance *1

4 km or less

Ultra low-sensitivity,
 low-sensitivity,
 general-sensitivity: 4 km
 High-sensitivity: 50 m
 Ultra high-sensitivity: 30 m

100 m or less

61F-LS-CP[]-N
 (Normal)

61F-LS-CP[]-S/-A
 (High functionality)

61F-LS-CP11-B
 (DC power supply)

Operation resistance

4 kΩ or more

*2

Variable (0 to 100 kΩ)

Operation resistance
 error

---

---

Scale 0: 0 to 10 kΩ *3
 Scale 100: 100 ± 10 kΩ

Release resistance

15 kΩ or less

*2

200% max. of the
 operation resistance

Interelectrode voltage

5 VAC

5 VAC

5 VAC

Response time

Operate: 80 ms max.
 Release: 160 ms max.

*2

Operate: 1.5 s max.
 Release: 3.0 s max.

Startup lock time

3 s after turning on the power supply (The LED blinks during the startup lock time)

Insulation resistance *4

100 MΩ min. (at 500 VDC)

Dielectric strength *4

2000 VAC, 50/60 Hz for 1 min.

Life expectancy

Electrical:
 100,000 operations min.
 Mechanical:
 5,000,000 operations min.

Electrical:
 100,000 operations min.
 Mechanical:
 5,000,000 operations min.

Relay specification only
 Electrical:
 70,000 operations min.
 Mechanical:
 20,000,000 operations min.

Switching between
 supply and drainage

---

---

Terminals 7 and 8 open:
 Automatic drainage operation
 Terminals 7 and 8 shorted:
 Automatic supply operation

Approved standards

UL61010-1, CAN/CSA C22.2 No.61010-1
 CE, RCM
 EN61010-1, EN61326-1 Industrial electromagnetic environment

Symbol

Item

Specification

Notes

Factory default
 settings

(A)

Response
 speed

5S

INSTANT (Instantaneous)

✓

(B)

Operation
 sensitivity

Operation
 resistance

Release
 resistance

0.5 kΩ or more

2.5 kΩ or less

Ultra low-sensitivity

1.3 kΩ or more

4 kΩ or less

Low-sensitivity

4 kΩ or more

15 kΩ or less

General-purpose

✓

70 kΩ or more

300 kΩ or less

High-sensitivity

200 kΩ or more

500 kΩ or less

Ultra high-sensitivity