Contactors and Contactor Assemblies
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- Silas Lane
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1 s for Switching Motors Technical data General data Permissible mounting position The contactors are designed for operation on a vertical mounting surface. C and DC operation S3 3RT14 46 For DC operation and forward inclination up to 22.5 : coil voltage tolerance U s Upright mounting position: Special design required. Positions of the Order No. must be changed to -10. dditional charge. DC operation Mechanical endurance Oper. 10 million Electrical endurance Oper. 0.5 million C-1 utilization category at I e Rated insulation voltage U i (pollution degree 3) V 1000 Rated impulse withstand voltage U imp kv 6 Safe isolation between coil and main contacts (acc. to DIN VDE 0106 Part 101 and 1 [draft 2/89]) Permissible ambient temperature in operation when stored V Degree of protection acc. to IEC and DIN IP 20 (terminal compartment IP 00), coil system IP 40 Shock resistance Rectangular pulse C and DC operation g/ 6.8/5 and 4/10 Sine pulse C and DC operation g/ 10.6/5 and 6.2/10 Conductor cross-sections See page 2/143 Short-circuit protection of contactors without overload relays Fuse links, utilization category gl/gg NH, 3N of coord. "1" 2 ) 250 Fuse links, utilization category gr SITOR, 3NE of coord. "2" 2 ) 250 uxiliary circuit Fuse links, utilization category gl/gg (weld-free protection at I k 1 k) 10 DIZED 5SB, NEOZED 5SE or miniature circuit-breaker with C-characteristic (I k < 400 ) 10 Control circuit Coil voltage tolerance C/DC U s Power consumption of the coils (with coil in cold state and 1.0 U s ) Standard design For US and Canada Hz 50 50/ DC operation = W 15 Operating times at U 1 s ) Break-time = + arcing time time DC operation time rcing time Operating times at 1.0 U s 1 ) DC operation time time / / / / ) The s of the NO contacts and the times of the NC contacts increase if the contactor coils are protected against voltage peaks: varistor +2 to 5, diode assemblies 2 to 6 times. 2/128 2) ccording to excerpt from IEC (VDE 0660 Part 102): of coordination "1": Destruction of the contactor and the overload relay is permissible. The contactor and/or overload relay must be replaced if necessary. of coordination "2": No damage can be tolerated to the overload relay, but contact welding on the contactor is permitted if the contacts can be easily separated.
2 s for Special pplications Technical data Load ratings with C C-1 utilization category, switching resistive load Rated operational currents I e Ratings of three-phase loads = 5 (at 60 ) at 40 up to 690 V at 60 up to 690 V at 1000 V at 230 V 400 V 500 V 690 V 1000 V Minimum conductor cross-section with I e load at 40 at 60 C-2 and C-3 utilization categories With an electrical endurance of 1.3 million operating S3 3RT mm 2 50 mm 2 50 Rated operational current I e up to 690 V 44 Ratings of slipring or squirrel-cage motors at 50 Hz and 60 Hz (at 60) at 230 V 400 V 500 V 690 V Power loss per conducting path at I e /C-1 W 12.5 Load ratings with DC DC-1 utilization category, switching resistive load L/R 1 ) Number of conducting paths when connected in series Rated operational currents I e (at 60 ) up to 24 V 60 V 110 V V 440 V 600 V DC-3 and DC-5 utilization categories, shunt and series motors Number of conducting paths when connected in series Rated operational currents I e (at 60 ) up to 24 V 60 V 110 V 220 V 440 V 600 V Operating frequency Operating frequency z in operating per hour DC operation s without overload relays No-load operating frequency 1/h Rated operation Dependence of the operating frequency z on the operational current I and the operational voltage U : for C-1 for C-3 1/h 1/h z = z I --- e I 400V U 1.5 1/h 2/129
3 s for Special pplications 2/
4 s for Special pplications Technical data General data Permissible mounting position The contactors are designed for operation on a vertical mounting surface. S6 3RT14 56 Mechanical endurance Electrical endurance C-1 utilization category at I e Oper. Oper. 10 million Rated insulation voltage U i (pollution degree 3) V 1000 Rated impulse withstand voltage U imp kv 8 Safe isolation between coil, auxiliary contacts and main contacts (acc. to DIN VDE 0106 Part 101 and 1 [draft 2/89]) Permissible ambient temperature in operation when stored V million /+55 with S-Interface Degree of protection acc. to IEC and DIN IP 00/open type, coil system IP 20 Shock resistance Rectangular pulse g/ 8.5/5 and 4.2/10 Sine pulse g/ 13.4/5 and 6.5/10 Conductor cross-sections See page 2/132 Electromagnetic compatibility (EMC) See page 2/14 Short-circuit protection Fuse links, utilization category gl/gg, NH, 3N of coordination "1" 355 Fuse links, utilization category gr, SITOR, 3NE of coordination "2" 350 uxiliary circuit Fuse links, utilization category gl/gg 10 (weld-free protection at I k 1 k) DIZED 5SB, NEOZED 5SE or miniature circuit-breaker with C-characteristic (I k < 400 ) Control circuit Coil voltage tolerance C/DC (UC) U s min U s max Power consumption of solenoid mechanism Conventional op. mechanism Solid-state op. mechanism (with coil in cold state and rated range U s min... U s max ) U s min U s max U s min U s max DC operation PLC control input (EN / 2) DC 24 V/ 30 m Operating times Conventional op. mechanism Solid-state op. mechanism (Break-time = + arcing time) Operation via 1/2 PLC input at U s min U s max time at U s min... U s max time W W rcing time Load ratings with C C-1 utilization category, switching resistive load Rated operational currents I e Ratings of three-phase loads = 5 (at 60 ) at 40 up to 690 V at 60 up to 690 V at 1000 V at 230 V 400 V 500 V 690 V 1000 V Minimum conductor cross-section with I e load at 40 at mm mm Power loss per conducting path at I e /C-1 W 20 2/131
5 s for Special pplications 2/132
6 s for Special pplications Technical data General data Permissible mounting position The contactors are designed for operation on a vertical mounting surface. S10 3RT14 66 S12 3RT14 76 Mechanical endurance Electrical endurance C-1 utilization category at I e Oper. Oper. 10 million Rated insulation voltage U i (pollution degree 3) V 1000 Rated impulse withstand voltage U imp kv 8 Safe isolation between coil, auxiliary contacts and main contacts (acc. to DIN VDE 0106 Part 101 and 1 [draft 2/89]) Permissible ambient temperature in operation when stored V million /+55 with S-Interface Degree of protection acc. to IEC and DIN IP 00/open type, coil system IP 20 Shock resistance Rectangular pulse g/ 8.5/5 and 4.2/10 Sine pulse g/ 13.4/5 and 6.5/10 Conductor cross-sections See page 2/135 Electromagnetic compatibility (EMC) See page 2/14 Short-circuit protection Fuse links, utilization category gl/gg, NH, 3N of coordination "1" Fuse links, utilization category gr, SITOR, 3NE of coordination "2" uxiliary circuit Fuse links, utilization category gl/gg (weld-free protection at I k 1 k) DIZED 5SB, NEOZED 5SE or miniature circuit-breaker with C-characteristic (I k < 400 ) 10 Control circuit S10 3RT14 66 Coil voltage tolerance C/DC (UC) U s min U s max Power consumption of solenoid mechanism Conventional op. mechanism Solid-state op. mechanism (with coil in cold state and rated range U s min... U s max ) U s min U s max U s min U s max DC operation PLC control input (EN / 2) DC 24 V/ 30 m Operating times Conventional op. mechanism Solid-state op. mechanism (Break-time = + arcing time) Operation via 1/2 PLC input at U s min U s max time at U s min... U s max time W W rcing time /133
7 s for Special pplications 2/134
8 s for Special pplications 2/135
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