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 Asymmetry selectable Phase loss Neutral loss selectable Cd-free contact material Phase rotation Screw terminal 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+50 20+50 20+50 Protection category IP20 IP20 IP20 Approvals (according to type) 1 IX-2012, www.findernet.com70 Series - Line monitoring relay Features 70.61 Electronic phase loss and rotation monitoring relay 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 1 CO relay output, 6 A Compact size (17.5 mm wide) Three-phase (208...480 V) 35 mm rail (EN 60715) mount voltage monitoring: European patent pending for the innovative principle at the root of the 3 phase monitoring Phase loss and error survey system Phase rotation Screw terminal For outline drawing see page 8 Contact specification Contact configuration 1 CO (SPDT) Rated current/Maximum peak current A 6 / 15 Rated voltage/Max. switching voltage V AC 250 / 400 Rated load AC1 VA 1,500 Rated load AC15 VA 250 Single phase motor rating (230 V AC) kW 0.185 Breaking capacity DC1: 30/110/220 V A 3 / 0.35 / 0.2 Minimum switching load mW (V/mA) 500 ( 10 / 5) Standard contact material AgCdO Supply specification Nominal system voltage (U ) V AC (50/60 Hz) 208480 N Rated power VA (50 Hz) / W 8/1 Operating range V AC (50/60 Hz) 170500 Technical data 3 Electrical life at rated load AC1 cycles 100 10 Switch-off delay time s 0.5 Switch-on lock-out time s 0.5 Power-on activation time s < 2 Insulation between supply and contacts (1.2/50 s) kV 5 Dielectric strength between open contacts V AC 1,000 Ambient temperature C 20+50 Protection category IP20 Approvals (according to type) 2 IX-2012, www.findernet.com