072.51

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 μs) between: - supply and contacts - electrodes and supply - contacts and electrodes • 35 mm rail (EN 60715) mount • Control about a single level or between Min./Max. limits • 72.01 available also for supply 400 V • 72.01 available also with sensitivity range (5...450) kΩ adjustable • 72.01 available also for contact loads down to 5 V 1 mA • • • • • Sensitivity range (5...150) kΩ adjustable Delay time (0.5s or 7s) switch selectable Emptying or filling functions switch selectable • • • Sensitivity fixed 150 kΩ Delay time fixed: 1s Emptying or filling functions link selectable U = 24 V DC 24 V AC 50/60 Hz (110...125)V AC 50/60 Hz (230...240)V AC 50/60 Hz 72.01/11 Screw terminal U = 24 V DC 24 V AC 50/60 Hz (110...125)V AC 50/60 Hz (230...240)V AC 50/60 Hz F = Filling E E = Emptying FOR UL RATINGS SEE: “General technical information” page V FL = Filing – 7s delay FS = Filling – 0.5s delay ES = Emptying – 0.5s delay EL = Emptying – 7s delay For outline drawing see page 8 Contact specification Contact configuration Rated current/Maximum peak current 1 CO (SPDT) 1 CO (SPDT) 16/30 16/30 250/400 250/400 4,000 4,000 A Rated voltage/Maximum switching voltage V AC Rated load AC1 VA Rated load AC15 (230 V AC) Single phase motor rating (230 V AC) Breaking capacity DC1: 30/110/220 V Minimum switching load VA 750 750 kW 0.55 0.55 16/0.3/0.12 16/0.3/0.12 500 (10/5) 500 (10/5) AgCdO AgCdO A mW (V/mA) Standard contact material Supply specification Nominal voltage (UN) V AC (50/60 Hz) 24 V DC 24 Rated power AC/DC VA (50 Hz)/W Operating range 110...125 230...240 — — 400 24 — 24 2.5/1.5 — 230...240 — — 2.5/1.5 V AC (50/60 Hz) 19.2...26.4 90...130 184...253 360...460 V DC 20.4...26.4 110...125 — — 19.2...26.4 90...130 184...253 20.4...26.4 — — Technical data Electrical life at rated load AC1 cycles Electrode voltage V AC Electrode current mA III-2014, www.findernet.com Run-on time Max sensitivity range s kΩ Insulation between supply/contacts/electrode (1.2/50 μs) kV Ambient temperature Protection category °C 100 · 103 100 · 103 4 4 0.2 0.2 0.5 - 7 (selectable) 1 5…150 (adjustable) 150 (fixed) 6 6 –20…+60 –20…+60 IP20 IP20 Approvals (according to type) 1 72 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 • Cd-free contact material • • • Multi-function (MI, ME, M2, M1) 72.42 Screw terminal E 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 Rated load AC1 Rated load AC15 Single phase motor rating (230 V AC) Breaking capacity DC1: 30/110/220 V Minimum switching load 250 / 400 VA 3,000 VA 1,000 kW 0.55 A 12 / 0.3 / 0.12 mW (V/mA) 300 (5 / 5) Standard contact material AgNi Supply specification Nominal voltage (UN) V AC (50/60 Hz) / DC Rated power in stand-by W with 2 active relays W/VA(50 Hz) Operating range V AC (50/60 Hz) V DC 24 110 … 240 0.12 0.18 1.1 / 1.7 1.5 / 3.9 16.8…28.8 90…264 16.8…32 90…264 Technical data cycles 100 x 103 Output delay time (T on function diagrams) s 0.2...20 Power-on activation time s ≤ 0.7 Minimum impulse duration ms Insulation between supply and contacts (1.2/50 μs) kV Dielectric strength between open contacts Ambient temperature Protection category Approvals (according to type) 2 V AC °C 50 6 1,000 –20…+50 IP20 III-2014, www.findernet.com Electrical life at rated load AC1 72 SERIES 72 Series - Monitoring relays Ordering information Example: 72 series level control relay, adjustable sensitivity range, (230…240)V AC supply voltage. 7 2 . 0 Series Type 0 = Level control relay, sensitivity range adjustable (5...150)kΩ 1 = Level control relay, sensitivity fixed 150 kΩ 4 = Priority change relay No. of poles 1 = 1 CO (SPDT) 2 = 2 NO (DPST-NO) 1 . 8 . 2 4 0 . 0 0 0 0 Contact material 0 = Standard AgCdO for 72.01/72.11, AgNi for 72.42 5 = AgNi + Au** Supply voltage 024 = 24 V 125 = (110…125)V AC 230 = (110 … 240) V 240 = (230…240)V AC 400 = 400 V AC (72.01 only) Option 0 = Max. 150 kΩ 2 = Sensitivity range adjustable (5...450) kΩ types 72.01.8.024.0002* 72.01.8.240.0002* 72.01.8.240.5002** Supply version 0 = DC / AC (50/60 Hz) 8 = AC (50/60 Hz) 9 = DC All versions 72.01.8.024.0000 72.01.8.024.0002* 72.01.8.125.0000 72.01.8.240.0000 72.01.8.240.0002* 72.01.8.240.5002** 72.01.8.400.0000 72.01.9.024.0000 72.11.8.024.0000 72.11.8.125.0000 72.11.8.240.0000 72.11.9.024.0000 72.42.0.230.0000 72.42.0.024.0000 E III-2014, www.findernet.com * For liquids conductivity up to 2 μSiemens or a Resistance of 450 kΩ ** For applications with output contact loading down to 5 V 1 mA 3 72 SERIES 72 Series - Monitoring relays Technical data Insulation 72.01/72.11 Insulation Dielectric strength 72.42 Impulse (1.2/50 μs) between supply and contacts 4,000 V AC 6 kV 6 kV between supply and control (for 110…240 V version only) 2,500 V AC — 4 kV between electrodes, Z1-Z2 and supply* 4,000 V AC 6 kV — between contacts and electrodes 4,000 V AC 6 kV — between open contacts 1,000 V AC 1.5 kV 1.5 kV EMC specifications Type of test Electrostatic discharge Radio-frequency electromagnetic field 72.01/72.11 72.42 EN 61000-4-2 4 kV 4 kV air discharge EN 61000-4-2 8 kV 8 kV (80...1,000 MHz) EN 61000-4-3 10 V/m (1…2.8 GHz) EN 61000-4-3 — Fast transients on supply terminals EN 61000-4-4 4 kV 4 kV (burst 5/50 ns, 5 and 100 kHz) on control terminals EN 61000-4-4 — 4 kV Voltage pulses on supply terminals common mode EN 61000-4-5 4 kV 4 kV (surge 1.2/50 μs) differential mode EN 61000-4-5 4 kV 4 kV Radiofrequency common mode on supply terminals EN 61000-4-6 10 V 10 V (0.15...230 MHz) voltage (0.15…280 MHz) on control terminals EN 61000-4-6 — 10 V Voltage dips 70 % UN EN 61000-4-11 — 25 cycles EN 61000-4-11 — 1 cycles Short interruptions 10 V/m 5 V/m Radiofrequency conducted emissions (0.15…30 MHz) CISPR 11 class B class B Radiated emissions (30…1,000 MHz) CISPR 11 class B class B Terminals Screw torque Nm 0.8 Wire strip length mm 9 Max. wire size mm2 AWG solid cable stranded cable 1x6 / 2x4 1x4 / 2x2.5 1x10 / 2x12 1x12 / 2x14 Other data Current absorption on Z1 and Z2 (type 72.11) mA Current absorption on control signal (B1-B3 and B2-B3)