71 Series - Monitoring relays 10 A Features 71.11.8.230.0010 71.11.8.230.1010 1 - Phase 230 V Over & Under voltage monitoring relays 71.11.8.230.0010 - Fixed Over & Under voltage detection - Link selectable 5 or 10 minute lock-out delay 71.11.8.230.1010 - Adjustable Over & Under voltage detection - Switch selectable 5 or 10 minute lock-out delay 35 mm rail (EN 60715) mounting LED indication Fixed - Over/Under voltage limits, Adjustable - symmetrical Over/Under voltage Positive safety logic (healthy conditions - (0.75...1.2) U respectivity limits adjustable between 5% to 20% U N N output relay energised) Link selectable - 5 min or 10 min delay Switch selectable - 5 min or 10 min delay Detects and trips on out-of-limits L-N voltage, and protects against excessive starts/hour through power-on and lock-out time delays. Typical applications - protection of compressor motors and high pressure discharge lamp circuitry. Fixed limits Contact specification Contact configuration 1 CO (SPDT) 1 CO (SPDT) Rated current/Maximum peak current A 10/15 10/15 Rated voltage/Maximum switching voltage V AC 250/400 250/400 Rated load AC1 VA 2,500 2,500 Rated load AC15 (230 V AC) VA 500 500 Single phase motor rating (230 V AC) kW 0.5 0.5 Breaking capacity DC1: 30/110/220 V A 10/0.3/0.12 10/0.3/0.12 Minimum switching load mW (V/mA) 300 (5/5) 300 (5/5) Standard contact material AgCdO AgCdO Supply specification Nominal voltage (U ) V AC (50/60 Hz) 230 230 N V DC Rated power AC/DC VA (50 Hz)/W 4/ 4/ Operating range AC (0.75...1.2)U (0.8...1.2)U N N DC Technical data 3 3 Electrical life at rated load AC1 cycles 100 10 100 10 Detection levels Fixed (0.751.2)U Adjustable (520)% U N N Switch-on lock-out time/reaction time (5 or 10)min / < 0.5 s (5 or 10)min / < 0.5 s Fault memory Electrical isolation: Supply to Measuring circuits None circuits are electrically common None circuits are electrically common Ambient temperature range C 20...+55 20...+55 Protection category IP 20 IP 20 Approvals (according to type) 171 Series - Monitoring relays 10 A Features 71.31.8.400.1010 3 - Phase 400 V Over & Under voltage monitoring relay 71.31.8.400.1010 - Adjustable Over & Under voltage detection - Switch selectable 5 or 10 minute lock-out delay 35 mm rail (EN 60715) mounting LED indication Positive safety logic (healthy conditions - output relay energised) Adjustable - symmetrical Over/Under voltage limits adjustable between 5% to 20% U N Switch selectable - 5 min or 10 min delay Delects and trips on out-of-limits L-L voltage, and protects against excessive starts/hour through power-on and lock-out time delays. Typical applications - protection of compressor motors and high pressure discharge lamp circuitry. Contact specification Contact configuration 1 CO (SPDT) Rated current/Maximum peak current A 10/15 Rated voltage/Maximum switching voltage V AC 250/400 Rated load AC1 VA 2,500 Rated load AC15 (230 V AC) VA 500 Single phase motor rating (230 V AC) kW 0.5 Breaking capacity DC1: 30/110/220 V A 10/0.3/0.12 Minimum switching load mW (V/mA) 300 (5/5) Standard contact material AgCdO Supply specification Nominal voltage (U ) V AC (50/60 Hz) 400 N V DC Rated power AC/DC VA (50 Hz)/W 4/ Operating range AC (0.81.2)U N DC Technical data 3 Electrical life at rated load AC1 cycles 100 10 Detection levels V (50/60 Hz) Adjustable (5...20)% U N Switch-on lock-out time/reaction time (5 or 10)min / < 0.5 s Fault memory Electrical isolation: Supply to Measuring circuits None circuits are electrically common Ambient temperature range C 20...+55 Protection category IP 20 Approvals (according to type) 2