S194156115 Carlo Gavazzi

Level Sensors Amplifier, Conductive/Capacitive Types S 194, H 494 (Charging) Control of CHARGING (swimming pools) S 194 Output: 10 A SPDT relay H 494 Output: 8 A DPDT relay LED-indications: Power supply and relay ON AC power supply S 194 H 494 Product Description Ordering Key S 194 156 024 Level control relay for con- the sensor is no longer im- Housing ductive liquids for swimming mersed in the water. Amplifier Type/function pool applications. The relay for A94-.. sensors. Output operates approx. 10 s after Power supply Type Selection Plug Output Supply: 24 VAC Supply: 115 VAC Supply: 230 VAC Circular, 11 pin SPDT S 194 156 024 S 194 156 115 S 194 156 230 Screw terminals DPDT H 494 166 024 H 494 166 115 H 494 166 230 Output Specifications S194 H494 Output SPDT relay DPDT relay Rated insulation voltage 250 VAC (rms) 250 VAC (rms) (Cont./elec.) (Cont./elec., cont./cont.) Contact ratings (Ag-CdO) (micro gap) (micro gap) Resistive loads AC 1 10 A/250 VAC (2500 VAC) 8 A/250 VAC (200 VA) DC 1 1 A/250 VAC (250 W) 0,4 A/250 VDC (100 W) or 10 A/25 VDC (250 W) 4 A/25 VDC (100 W) Small inductive loads AC 15 2.5 A/230 VAC 2.5 A/230 VAC DC 13 5 A/24 VDC 5 A/24 VDC 7 5 Mechanical life 5 x 10 operations 30 x 10 operations 5 16 Electrical life 10 operations 125 x 10 operations Operation frepuency 7200 operations/h 7200 operations/h Insulation voltages Rated insulation voltage AC 2.0 kVAC (rms) 2.0 kVAC (rms) (Cont./elect.) (Cont./elect.) DC None None Rated impulse withstand voltage AC 4 kV (1.2/50 s) 4 kV (1.2/50 s) (cont./elect.) (IEC 60664) (cont./elect.) (IEC 60664) DC 800 V 800 V Specifications are subject to change without notice 1S 194, H 494 General Specifications Accessories Indication for Conductive level probe: A 94-10 Power supply ON Capacitive level probe: A 94-20 S194 LED, red H496 LED, green Output ON LED, red Input Specifications Environment Degree of protection IP 20 B Sensor type Operating temperature -20 to +50C (-4 to +122F) Conductive A 94-10 Storage temperature -50 to +85C (-58 to +185F) Capacitive A 94-20 Connection Sensor voltage current S194 11-pin circular plus Conductive 24 VAC, 2.5 mA H496 Screw terminals, for Capacitive 8.2 VAC, max. 8 mA mounting on DIN-rail Material Housing S194 Noryl SE1 H494 PC/ABS blend Plug S194 Nickel-plated brass H494 CYCOLOYC 2100 Approvals UL Wiring Diagrams S 194 (conductive) S 194 (capacitive) H 494 (conductive) H 494 (capacitive) Operation Diagram Conductive/capacitive Power supply Sensor in water Relay ON 2 Specifications are subject to change without notice