72 SERIES 72 Series - Monitoring relays Features 72.01 72.11 Level control relays for conductive liquids 72.01 - Adjustable sensitivity 72.11 - Fixed sensitivity Emptying or filling functions LED indicator Reinforced insulation (6 kV - 1.2/50 s) between: - supply and contacts - electrodes and supply - contacts and electrodes 35 mm rail (EN 60715) mount Sensitivity range (5...150) k adjustable Sensitivity fixed 150 k Control about a single level or between Delay time (0.5s or 7s) switch selectable Delay time fixed: 1s Min./Max. limits Emptying or filling functions switch selectable Emptying or filling functions link selectable 72.01 available also for supply 400 V 72.01 available also with sensitivity range (5...450) k adjustable 72.01 available also for contact loads down U = 24 V DC U = 24 V DC to 5 V 1 mA 24 V AC 50/60 Hz 24 V AC 50/60 Hz (110...125)V AC 50/60 Hz (110...125)V AC 50/60 Hz (230...240)V AC 50/60 Hz (230...240)V AC 50/60 Hz 72.01/11 Screw terminal F = Filling E = Emptying FL = Filing 7s delay FOR UL RATINGS SEE: FS = Filling 0.5s delay General technical information page V ES = Emptying 0.5s delay EL = Emptying 7s delay For outline drawing see page 8 Contact specification Contact configuration 1 CO (SPDT) 1 CO (SPDT) Rated current/Maximum peak current A 16/30 16/30 Rated voltage/Maximum switching voltage V AC 250/400 250/400 Rated load AC1 VA 4,000 4,000 Rated load AC15 (230 V AC) VA 750 750 Single phase motor rating (230 V AC) kW 0.55 0.55 Breaking capacity DC1: 30/110/220 V A 16/0.3/0.12 16/0.3/0.12 Minimum switching load mW (V/mA) 500 (10/5) 500 (10/5) Standard contact material AgCdO AgCdO Supply specification Nominal voltage (U )V AC 24 - 110...125 230...240 400 24 - 110...125 230...240 N V DC 24 24 Rated power AC/DC VA (50 Hz)/W 2.5/1.5 2.5/1.5 2.5/1.5 Operating range AC (0.8...1.1)U (0.9...1.15)U (0.8...1.1)U N N N DC (0.85...1.1)U (0.85...1.1)U N N Technical data 3 3 Electrical life at rated load AC1 cycles 100 10 100 10 Electrode voltage V AC 44 Electrode current mA 0.2 0.2 Run-on time s 0.5 - 7 (selectable) 1 Max sensitivity range k 5150 (adjustable) 150 (fixed) Insulation between supply/contacts/electrode (1.2/50 s) kV 66 Ambient temperature C 20+60 20+60 Protection category IP20 IP20 Approvals (according to type) 1 II-2014, www.findernet.com Timers and Monitoring relays72 SERIES 72 Series - Monitoring relays Features 72.42 Priority change relay Special relay for alternating loads, for applications with pumps, compressors, air conditioning or refrigeration units 2 independent NO output, 12 A 4 functions 2 independent control signals, insulated from supply 110...240 V and 24 V AC/DC supply versions Modular housing, 35 mm wide 35 mm rail (EN 60715) mount Multi-function (MI, ME, M2, M1) Cd-free contact material 72.42 Screw terminal For outline drawing see page 8 Contact specification Contact configuration 2 NO (2 DPST-NO) Rated current / Max. peak current A 12 / 20 Rated voltage / Max. switching voltage V AC 250 / 400 Rated load AC1 VA 3,000 Rated load AC15 VA 1,000 Single phase motor rating (230 V AC) kW 0.55 Breaking capacity DC1: 30/110/220 V A 12 / 0.3 / 0.12 Minimum switching load mW (V/mA) 300 (5 / 5) Standard contact material AgNi Supply specification Nominal voltage (U ) V AC (50/60 Hz) / DC 24 110 240 N Rated power in stand-by W 0.12 0.18 with 2 active relays W/VA(50 Hz) 1.1 / 1.7 1.5 / 3.9 Operating range V AC (50/60 Hz) 16.828.8 90264 V DC 16.832 90264 Technical data 3 Electrical life at rated load AC1 cycles 100 x 10 Output delay time (T on function diagrams) s 0.2...20 Power-on activation time s 0.7 Minimum impulse duration ms 50 Insulation between supply and contacts (1.2/50 s) kV 6 Dielectric strength between open contacts V AC 1,000 Ambient temperature C 20+50 Protection category IP20 Approvals (according to type) 2 Timers and Monitoring relays II-2014, www.findernet.com