K8AK-LSLevel Control 22.5 mm wide conductive level controller The K8AK-LS1 is a conductive level controller in a 22.5 mm wide industrial housing. Via DIP switchesits function(supply or drainage)can be selected.This productis for single- or two-point level control. • Time delay function up to 10 s • Supply voltages: 24 VAC/DC and 100 to 240 VAC • Control output:Relay 5 A at 250 VAC resistive load • Probes cable length: Max. 100 m from controller •LED indicator: Green for power ON, yellow for output relay Ordering information Supply voltage Order code 24 VAC/VDC K8AK-LS1 24VAC/DC 100 to 240VAC K8AK-LS1 100-240VAC Accessories Electrode holders ApplicationsMounting style Insulator materialMax. temperature Number of electrodes Order code For city water and other general use. Easy-to-replace separate versions for maintenance. FlangePhenol resin 70°C3PS-3S When mounting space is limited. Special 3-pole holder of small size and light weight. Screw Phenol resin 3, 300 mm 3, 1000 mm PS-31-300MM PS-31-1000MM Use for sewage, sea water, etc., having a low specific resistance. For resistance to high pressure. Use in tanks with high temperature or pressure. Flange PPS150°C (without water drips or vapour on the1BF-1 electrode holder surface) Screw Fluoro resin250°C (without water drips or vapour on the1BS-1 surface of the electrode holder) Electrode separatorsNumber of electrodes Order code Electrodes, connecting, and lock nuts 1F03-14 1P 3F03-14 3P Applicable liquids Material Component Indication mark InscriptionOrder code Purified city water, industrial water, sewage Equivalent to SUS304 (AISI-304) Electrode (1 m long) 1 line –F03-01 SUS201 Connecting nut––F03-02 SUS201 Lock nut ––F03-03 SUS201 Purified city water, industrial water, sewage, dilute alkaline solution SUS316 (AISI-316) Electrode (1 m long) 2 lines –F03-01 SUS316 Connecting nut–6F03-02 SUS316 Lock nut –316F03-03 SUS316 657 K8AK-LSLevel Control Specifications ItemK8AK-LS Ambient operating temperature –20 to 60°C (with no condensation or icing) Storage temperature –25 to 65°C (with no condensation or icing) Operating voltage range85% to 110% of rated operating voltage Rated power supply frequency 50/60 Hz (AC power supply) Output relaysResistive load 5 A at 250VAC or at 30 VDC Maximum contact voltage 250VAC or 30 VDC Maximum contact current5 A Maximum switching capacity1,250 VA, 150 W Mechanical life 10,000,000 operations Electrical life50,000 operations at 5 A, 250VAC or 30 VDC Degree of protection Terminal section: IP20 Case materialPC and ABS WeightApprox. 150 g Operating resistance10 k to 100 k (variable) Reset resistance250 k max. Response timeApprox. 0.1 to 10 s (variable) Cable length100 m max. with completely insulated (600V) cabtire cable with 3 conductors (0.75 mm2) IndicatorsGreen LED: Power, Yellow LED: Control output Applicable standards Conforming standardsEN 61010-1 Installation environment (pollution level 2, installation category II) EMCEN 61326-1 Safety standards EN 60664-1UL 508 (Recognition), Korean Radio Waves Act (Act 10564), CSA and CCC Size in mm (H × W × D)90 × 22.5 × 100 658
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