70 SERIES 70 Series - Line monitoring relay Features 70.11 70.31 70.41 Electronic voltage monitoring relays for single and three-phase applications Multifunctional types, providing the flexibility of monitoring Undervoltage, Overvoltage, Window Mode, Phase rotation, Phase loss, Asymmetry and Neutral loss Positive safety logic - Make output contact opens if the relay detects an error All functions and values can be easily adjusted by the selector and trimmer on front face Single-phase (220...240 V) Three-phase (380...415 V, Three-phase (380...415 V) Blade + cross both flat blade and cross voltage monitoring: voltage monitoring: with or without neutral) head screw drivers can be used to adjust the voltage monitoring: regulators and the function selector Undervoltage Undervoltage Colored LEDs for clear & immediate visual Overvoltage Overvoltage Window mode (overvoltage indication Window mode (overvoltage + undervoltage) Window mode (overvoltage 1 CO relay output, 6 or 10 A + undervoltage) + undervoltage) Phase loss Modular housing, 17.5 or 35 mm wide Voltage fault memory Voltage fault memory Phase rotation 35 mm rail (EN 60715) mount selectable selectable Asymmetry Cd-free contact material Phase loss Neutral loss selectable Phase rotation Screw terminal E For outline drawing see page 8 Contact specification Contact configuration 1 CO (SPDT) 1 CO (SPDT) 1 CO (SPDT) Rated current/Maximum peak current A 10 / 30 6 / 10 6 / 10 Rated voltage/Max. switching voltage V AC 250 / 400 250 / 400 250 / 400 Rated load AC1 VA 2,500 1,500 1,500 Rated load AC15 VA 750 500 500 Single phase motor rating (230 V AC) kW 0.5 0.185 0.185 Breaking capacity DC1: 30/110/220 V A 10 / 0.3 / 0.12 6 / 0.2 / 0.12 6 / 0.2 / 0.12 Minimum switching load mW (V/mA) 300 (5 / 5) 500 (12 / 10) 500 (12 / 10) Standard contact material AgNi AgNi AgNi Supply specification Nominal system voltage (U ) V AC (50/60 Hz) 220240 380415 380415 N Rated power VA (50 Hz) / W 2.6 / 0.8 11 / 0.9 11 / 0.9 Operating range V AC (50/60 Hz) 130280 220510 220510 Technical data 3 3 3 Electrical life at rated load AC1 cycles 80 10 60 10 60 10 Voltage detection level range V 170270 300480 300480 Asymmetry detection level range % 4...25 Switch-off delay time (T on function diagrams) s 0.5...60 0.5...60 0.5...60 Switch-on lock-out time s 0.5 1 1 Switch-on hysteresis (H on function diagrams) V 5 (L-N) 10 (L-L) 10 (L-L) Power-on activation time s 1 1 1 Insulation between supply and contacts (1.2/50 s) kV 44 4 Dielectric strength between open contacts V AC 1,000 1,000 1,000 Ambient temperature C 20+60 20+60 20+60 Protection category IP20 IP20 IP20 Approvals (according to type) 1 II-2014, www.findernet.com70 SERIE S 70 Series - Line monitoring relay Features 70.61 70.62 Electronic phase loss and rotation monitoring relays for three-phase applications Universal voltage monitoring (U from 208 V N to 480 V, 50/60 Hz) Phase loss monitoring, even under phase regeneration Positive safety logic - Make contact opens if the relay detects an error 2 versions: 1 CO relay output, 6 A (17.5 mm wide), and Three-phase (208...480 V) Three-phase (208...480 V) 2 CO relay output, 8 A (22.5 mm wide) voltage monitoring: voltage monitoring: 35 mm rail (EN 60715) mount European patent pending for the innovative Phase loss Phase loss principle at the root of the 3 phase monitoring Phase rotation Phase rotation and error survey system (70.61) Screw terminal E For outline drawing see page 8 Contact specification Contact configuration 1 CO (SPDT) 2 CO (DPDT) Rated current/Maximum peak current A 6 / 15 8 / 15 Rated voltage/Max. switching voltage V AC 250 / 400 250 / 400 Rated load AC1 VA 1,500 2,000 Rated load AC15 VA 250 400 Single phase motor rating (230 V AC) kW 0.185 0.3 Breaking capacity DC1: 30/110/220 V A 3 / 0.35 / 0.2 8 / 0.3 / 0.12 Minimum switching load mW (V/mA) 500 (10 / 5) 300 (5 / 5) Standard contact material AgCdO AgNi Supply specification Nominal system voltage (U ) V AC (50/60 Hz) 208480 208...480 N Rated power VA (50 Hz) / W 8 / 1 11 / 0.8 Operating range V AC (50/60 Hz) 170500 170...520 Technical data 3 3 Electrical life at rated load AC1 cycles 100 10 60 10 Switch-off delay time s 0.5 0.5 Switch-on lock-out time s 0.5 0.5 Power-on activation time s < 2 < 2 Insulation between supply and contacts (1.2/50 s) kV 55 Dielectric strength between open contacts V AC 1,000 1,000 Ambient temperature C 20+60 20...+60 Protection category IP20 IP20 Approvals (according to type) 2 II-2014, www.findernet.com