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Line monitoring relay 70 SЕRIES Air conditioners Woodprocessing machines Hoists and cranes Escalators Control panels for pumps Forced-air ventilators FINDER reserves the right to alter characteristics at any time without notice. FINDER assumes no liability for damage to persons or property, caused as a result of the incorrect use or application of its products. 70 SERIES Line monitoring relay 70 SERIES 70.11 Electronic voltage monitoring relays for single and three-phase applications 70.31 • Multifunctional types, providing the flexibility of monitoring Undervoltage, Overvoltage, Window Mode, Phase rotation, Phase 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 • “Blade + cross” – both flat blade and cross head screw drivers can be used to adjust the regulators and the function selector • Colored LEDs for clear & immediate visual indication • 1 CO relay output, 6 or 10 A • Modular housing, 17.5 or 35 mm wide • 35 mm rail (EN 60715) mount • Cd-free contact material Single-phase (220…240)V voltage monitoring: Three-phase (380…415)V voltage monitoring: • Undervoltage • Undervoltage • Overvoltage • Overvoltage • Window mode (overvoltage + • Window mode (overvoltage + undervoltage) • Voltage fault memory selectable Screw terminal undervoltage) • Voltage fault memory selectable • Phase loss, even under phase regeneration • Phase rotation E For outline drawing see page 12 Contact specification Contact configuration Rated current/Maximum peak current Rated voltage/ Max. switching voltage A V AC 1 CO (SPDT) 1 CO (SPDT) 10/30 6/10 250/400 250/400 Rated load AC1  VA 2500 1500 Rated load AC15 VA 750 500 Single phase motor rating (230 V AC)  kW Breaking capacity DC1: 30/110/220 V A Minimum switching load mW (V/mA) Standard contact material 0.5 0.185 10/0.3/0.12 6/0.2/0.12 300 (5/5) 500 (12/10) AgNi AgNi 220…240 380…415 Supply specification Nominal system voltage (UN) Rated power Operating range V AC (50/60 Hz) VA (50 Hz)/W V AC (50/60 Hz) 2.6/0.8 11/0.9 130…280 220…510 80 · 103 60 · 103 170…270 300…480 Technical data Electrical life at rated load AC1 cycles Voltage detection level range V Asymmetry detection level range % Switch-off delay time (T on function diagrams) s Switch-on lock-out time s Switch-on hysteresis (H on function diagrams) V III-2019, www.findernet.com Power-on activation time Insulation between supply and contacts (1.2/50 µs) Dielectric strength between open contacts Ambient temperature Protection category s kV V AC °C — — 0.5…60 0.5…60 0.5 1 5 (L-N) 10 (L-L) ≈1 ≈1 4 4 1000 1000 –20…+60 –20…+60 IP 20 IP 20 Approvals (according to type) 3 70 SERIES 70 SERIES Line monitoring relay 70.41 Electronic voltage monitoring relays for three-phase applications 70.42 • Multifunctional types, providing the flexibility of monitoring Undervoltage, Overvoltage, Window Mode, Phase rotation, Phase loss, Asymmetry and Neutral loss • Phase loss monitoring, even under phase regeneration • 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 • “Blade + cross” – both flat blade and cross head screw drivers can be used to adjust the regulators and the function selector • Colored LEDs for clear & immediate visual indication • 1 or 2 CO relay output, 6 or 8 A • Modular housing, 35 mm wide • 35 mm rail (EN 60715) mount • Cd-free contact material Three-phase (380…415 V, with neutral) voltage monitoring: • Window mode (overvoltage + • Undervoltage undervoltage) • Overvoltage • Phase loss • Window mode (overvoltage + • Phase rotation undervoltage) • Asymmetry • Voltage fault memory • Neutral loss selectable selectable • Phase loss • Phase rotation • Asymmetry • Neutral loss Screw terminal For outline drawing see page 12 Contact specification Contact configuration Rated current/Maximum peak current Rated voltage/ Max. switching voltage A 2 CO (DPDT) 6/10 8/15 250/400 250/400 Rated load AC1  VA 1500 2000 Rated load AC15 VA 500 400 Single phase motor rating (230 V AC)  kW 0.185 0.3 Breaking capacity DC1: 30/110/220 V A 6/0.2/0.12 8/0.3/0.12 mW (V/mA) 500 (12/10) 300 (5/5) AgNi AgNi 380…415 380…415 11/0.9 12.5/1 220…510 220…510 60 · 103 60 · 103 300…480 300…480 Minimum switching load V AC 1 CO (SPDT) Standard contact material Supply specification Nominal system voltage (UN) Rated power Operating range V AC (50/60 Hz) VA (50 Hz)/W V AC (50/60 Hz) Technical data Electrical life at rated load AC1 cycles Voltage detection level range V Asymmetry detection level range % Switch-off delay time (T on function diagrams) s Switch-on lock-out time s Switch-on hysteresis (H on function diagrams) V Power-on activation time Insulation between supply and contacts (1.2/50 µs) Dielectric strength between open contacts Ambient temperature Protection category Approvals (according to type) 4 s kV V AC °C 4…25 5…25 0.5…60 0.5…60 1 1 10 (L-L) 10 (L-L) ≈1 ≈1 4 4 1000 1000 –20…+60 –20…+60 IP 20 IP 20 III-2019, www.findernet.com E Three-phase (380…415 V, with or without neutral) voltage monitoring: 70 SERIES Line monitoring relay 70 SERIES 70.61 Electronic phase loss and rotation monitoring relays for three-phase applications 70.62 • Universal voltage monitoring (UN from 208 V 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 2 CO relay output, 8 A (22.5 mm wide) • 35 mm rail (EN 60715) mount • European patent pending for the innovative principle at the root of the 3 phase monitoring and error survey system (70.61) Three-phase (208…480)V voltage monitoring: Three-phase (208…480)V voltage monitoring: • Phase loss • Phase rotation • Phase loss • Phase rotation Screw terminal E For outline drawing see page 12 Contact specification Contact configuration Rated current/Maximum peak current Rated voltage/ Max. switching voltage A V AC Rated load AC1  VA 1 CO (SPDT) 2 CO (DPDT) 6/15 8/15 250/400 250/400 1500 2000 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 mW (V/mA) 500 (10/5) 300 (5/5) AgSnO2 AgNi 208…480 208…480 Minimum switching load Standard contact material Supply specification Nominal system voltage (UN) Rated power Operating range V AC (50/60 Hz) 8/1 11/0.8 V AC (50/60 Hz) VA (50 Hz)/W 170…500 170…520 cycles 100 · 103 60 · 103 Technical data III-2019, www.findernet.com Electrical life at rated load AC1 Switch-off delay time s 0.5 0.5 Switch-on lock-out time s 0.5 0.5 Power-on activation time s