Motor protection relay product guide rem 610
3 motor protection relay rem 610 features • three-phase motor start-up supervision based on thermal stress calculation with speed switch blocking ability • three-phase overcurrent protection with definite-time characteristic and speed switch blocking ability • three-phase short-circuit protection wi...
Motor protection relay rem 610 1mrs 755121 4 application rem 610 is a versatile multifunction protec- tion relay mainly designed for protection of standard medium and large mv asynchro- nous motors in a wide range of motor appli- cations. It handles fault conditions during motor start up, normal run...
Motor protection relay rem 610 1mrs 755121 5 settings before the relay is connected to a system it must be assured that the relay has been given the correct settings, see table 2 below. The setting values can be altered via the hmi or with a pc provided with the relay setting tool. Table 2: setting ...
Motor protection relay rem 610 1mrs 755121 6 technical data fig. 1 dimensions of the relay . Table 3: dimensions width frame 177 mm, case 164 mm height frame 177 mm (4u), case 160 mm depth case 149.3 mm weight of the relay ~3.5 kg weight of the spare unit ~1.8 kg 177 177 (4u) 30.8 149.3 180.1 160 16...
Motor protection relay rem 610 1mrs 755121 technical data (cont´d) 7 table 6: measuring range measured currents on phases i l1 , i l2 and i l3 as multiples of the rated currents of the energizing inputs 0...50 x i n earth-fault current as a multiple of the rated current of the energizing input 0...8...
Motor protection relay rem 610 1mrs 755121 technical data (cont´d) 8 table 12: rtd/analogue inputs supported rtd sensors 100 Ω platinum tcr0.00385 (din 43760) 250 Ω platinum tcr 0.00385 1000 Ω platinum tcr 0.00385 100 Ω nickel tcr 0.00618 (din 43760) 120 Ω nickel tcr 0.00618 120 Ω nickel (us) tcr 0....
Motor protection relay rem 610 1mrs 755121 technical data (cont´d) 9 optional communication modules and protocols • spa-bus, iec 60870-5-103, modbus ® (rtu and ascii): • plastic fibre • plastic and glass fibre • rs485 surge immunity test: according to the iec 61000-4-5 • power outputs, energizing in...
Motor protection relay rem 610 1mrs 755121 10 connection dia- grams fig. 2 residual current is measured via a core-balanced current transformer. 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 6 6 6 6 6 7 7 7 7 7 8 8 8 8 8 9 9 9 9 9 10 10 10 1 0 10 11 11 11 11 11 12 12 12 12 12 13 13 13 13 13 sgb4...
Motor protection relay rem 610 1mrs 755121 connection diagrams (cont´d) 11 fig. 3 residual current is measured via a summation connection of the phase current transformers. X3 .1 6 5 4 3 2 1 x4 .1 r td 1/t h1 rt d2 rt d3 r td 4/t h2 rt d5 rt d6 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 6 6 6...
Motor protection relay rem 610 1mrs 755121 connection diagrams (cont´d) 12 fig. 4 rem 610 connected to a contactor controlled motor with the trips routed to trip the contactor. X3 .1 6 5 4 3 2 1 x4 .1 rt d1 /t h1 rt d2 rt d3 rt d4 /t h2 rt d5 rt d6 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 6...
Motor protection relay rem 610 1mrs 755121 13 ordering informa- tion when ordering rem 610 protection relays and/or accessories, please specify the follow- ing: • order number • hmi language set number • quantity the order number identifies the protection relay type and hardware as described in fig-...
Motor protection relay rem 610 1mrs 755121 14 the following accessories are available: references available manuals: configuration, setting and sa system tools: the following tool versions are needed to support the new functions and features of rem 610 release c: item order number semi-flush mountin...
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