24 VAC/DC

Relay: SPDT contact output

K8DT-LS1CD

Transistor: Open collector

K8DT-LS1TD

100 to 240 VAC

Relay: SPDT contact output

K8DT-LS1CA

Transistor: Open collector

K8DT-LS1TA

Front cover

Y92A-D1A

Electrode holders/underwater electrodes

For general-purpose use, such as water supply lines

PS-3S/-4S/-5S

For areas with limited space

PS-31 SUS304, 300 mm

For liquids with low resistance

BF-1

When mounting strength is required

BF-3/-5

For resistance to high-temperature or high-pressure liquids

BS-1

For resistance against corrosion

BS-1T

For installation at long distances from the liquid level

PH-1/-2

Electrode rods (Set with the connection nuts, lock nuts, and tightening screws)

Purified water service, industrial water, and sewage

F03-60 SUS304

Purified water service, industrial water, sewage, and weak alkaline solutions

F03-60 SUS316

Protective cover

Electrode holders for the PS or BF series

F03-11

Mounting piece

Electrode Holder for the PS Series

F03-12

Separator

To prevent contact between electrodes, one pole

F03-14 1P

To prevent contact between electrodes, three poles

F03-14 3P

To prevent contact between electrodes, five poles

F03-14 5P

Power supply voltage

24 VAC 50/60 Hz, 24 VDC

100 to 240 VAC 50/60 Hz

Voltage across electrodes

5 V p-p (Approx. 20 Hz)

Power consumption

1.8 VA/1 W max.

2.5 VA max.

Operating resistance

10k to 100 kΩ (variable)

Reset resistance

250 kΩ max.

Response time

Approx. 0.1 to 10 s (variable)

Length of cable

100 m max. (fully insulated 3-core 0.75-mm2 cabtyre cable, 600 V)

Indicators

Power PWR: Green, Output (OUT): Yellow

Output form

Relay: SPDT contact output

Transistor: Open collector

Output contact ratings

Resistive load

5 A at 250 VAC
5 A at 30 VDC

Inductive load

1 A at 250 VAC
0.2 A at 48 VDC

Minimum load

5 VDC, 10 mA (reference values)

Mechanical life

10 million operations min.

Electrical life

5 A at 250 VAC or 30 VDC: 50,000 operations
3 A at 250 VAC or 30 VDC: 100,000 operations

Transistor output
ratings

Contact form

SPST-NO (Open collector)

Rated voltage

24 VDC (maximum voltage: 26.4 VDC)

Maximum current

50 mA DC

Ambient operating temperature

−20 to 60°C (with no condensation or icing)

Storage temperature

−25 to 65°C (with no condensation or icing)

Case material

PC, UL 94 V-0

Weight

Approx. 100 g

Size in mm (H × W × D)

90×17.5×90

Operating voltage range

85% to 110% of rated voltage

Applicable
standards

Approved standards

EN 61010-1

Installation environment: pollution level 2, Overvoltage category II

EMC

EN 61326-11

Safety standards

UL 61010-1 (Listing), Korean Radio Waves Act (Act 10564), CCC: GB14048.5

Degree of protection

Terminals: IP20