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3TK2803 Dataheets PDF



Part Number 3TK2803
Manufacturers Siemens
Logo Siemens
Description Contactor Safety Combination
Datasheet 3TK2803 Datasheet3TK2803 Datasheet (PDF)

Contactor Safety Combination Instructions 3TK2803, 3TK2804 3TK2907, 3TK29.3 DIN EN 60439 Part 1/ VDE 0660 Part 500 (04.94) Order No.: 3ZX1012-0TK20-1AA2 English WARNING: HAZARDOUS VOLTAGE CAN CAUSE ELECTRICAL SHOCK AND BURNS. www.DataSheet4U.cDoImSCONNECT POWER BEFORE PROCEEDING WITH ANY WORK ON THIS EQUIPMENT. Operation permissible in switchgear cabinet with degree of protection IP 54 only! Application The contactor safety combinations can be used in EMERGENCY-OFF circuits and for monitori.

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Contactor Safety Combination Instructions 3TK2803, 3TK2804 3TK2907, 3TK29.3 DIN EN 60439 Part 1/ VDE 0660 Part 500 (04.94) Order No.: 3ZX1012-0TK20-1AA2 English WARNING: HAZARDOUS VOLTAGE CAN CAUSE ELECTRICAL SHOCK AND BURNS. www.DataSheet4U.cDoImSCONNECT POWER BEFORE PROCEEDING WITH ANY WORK ON THIS EQUIPMENT. Operation permissible in switchgear cabinet with degree of protection IP 54 only! Application The contactor safety combinations can be used in EMERGENCY-OFF circuits and for monitoring protective devices (e.g. protective screens). Functions and connections The internal control circuit of the contactor safety combination is designed according to DIN EN 60204, Part 1 (VDE 0113, Part 1), para. 9.4.2.2, so that in the case of a fault in one of the contactor relays the function of the safety circuit is maintained. The supply voltage must meet the requirements of the DIN EN 60204 (VDE 0113, Part 1) (the terminals “L-/N; A2“ must be connected to that side of the control current circuit which is linked to the protective conductor system).The contacts of the contactor relays are checked for proper opening and closing in every ON and OFF cycle of the machine to be switched. This is, for instance, done by - connecting and disconnecting the control voltage with the main switch, - activating and deactivating the EMERGENCY-OFF unit - opening and closing of the protective screen. For circuit diagrams, see: Fig. III: EMERGENCY-OFF circuit Fig. IV: Protective screen monitoring (A=door open; B=door closed) Fig. V: EMERGENCY-OFF with expansion module (no delay) Fig. VI: EMERGENCY-OFF with time-delay module For internal circuit diagrams, see Low-Voltage Control Equipment, Switchgear and Systems Catalog. Note: The units are tested by the BIA. The external control circuit connections are shown for example only; the actual connections must be defined by the user on the basis of a risk assessment. Further applications available upon request. Installation For dimension drawings see Fig. I (dimensions in mm). Minimum clearances from earthed parts on the sides: 3 mm (see Fig. IIa). Connection see Fig. IIb. Cover the contactor safety combination during installation if foreign particles, such as swarf, can fall onto it. Install contactor safety combinations in a housing if they are exposed to dirt, dust or aggressive atmospheres. Permissible operating position: any Cleaning: Remove dust with a vacuum cleaner Operation Operating states of the unit: “READY“ (3TK2803/2804) indicates that voltage is applied to the unit, provided that the contacts of the EMERGENCY OFF pushbutton or door safety switch are closed. “ON“ lights up, when the ON button is pressed and the enabling circuits are switched through. “FEEDBACKCIRCUIT“ (3TK29.3/2907) lights up when the ON button is pressed and the enabling circuits of the expansion modules are switched through. Technische Daten Permissible ambient temperature TU: - Operation - Storage for 3TK 29.3 Degree of protection -25 to +55 °C -55 to +80 °C -25 to +80 °C IP 20 Insulation coordination to DIN VDE 0110 Part 1 and Part 2 (01.89): Clearances in air and creepage paths: 4 kV/3 (Control circuit: 1.5 kV/3) Rated insulations voltage (for control circuit Rated impulse withstand voltage (for control circuit Ui = 400 V Ui = 250 V) Uimp = 4 kV Uimp = 1.5 kV) Utilization category as per DIN VDE 0660, Part 100 (07.92) IEC 60947-1: 1988 AC-1/AC-12 Rated operation voltage Ue Rated operating current Ie 40 °C 6A (Ie 55 °C) 6A AC-15 250 V 400 V 4 A (4 A) 3 A (3 A) DC-13 24 V 220 V 6 A (6 A) 0.5 A (0.5 A) Rated power AC-3 230 V 0.55 kW 0.55 kW 400 V 1.1 kW 1.1 kW Values as per DIN IEC 60255 / VDE 0435 (09.62): Continuous current Ith Making capacity at: 10 A (8 A) p.f. = 0.7 to 1 AC 230 V 10 A (8 A) resistive DC 24 V 10 A (8 A) Σ max. 30 A (Σ max. 24 A) Short-circuit protection for signal circuit and enable circuit: No-weld fuse protection at short-ircuit current: IK ≥1 kA - Fuse links Low-voltage HRC, NEOZED or DIAZED gL (gG) 6A quick response 10 A Fusing of contactor safety combination: - M.C.B., type G time-lag/quick-resp. 6 A - M.C.B., type A, B, C 6A - Protective circuit-breaker terminals type 8 WA1011 6A Be sure to fit the specified fuses. Otherwise safe interruption in the event of a fault cannot be guaranteed. For further data and Order nos. for accessories see Catalog NSK. 2 I 75 55 96,6 77,2 110 Netz Power Kanal 1 Channel 1 Kanal 2 Channel 2 3TK28/29 www.DataSheet4U.com II a 3RB1900-0B III a Ein On Bereit Ready 3TK28/29 3 L+ L- F1 3 L+ X1 X3 X5 3TK2804 L- X2 X4 X6 ∅ 4,8 5 148 35 M3,5 II b 10 2x(1 ... 2,5 mm2) 1x4 mm2 2x(0,75 ... 1,5 mm2) 0,8x5 ... 6 mm 0,8 ... 1,2 Nm/7 ... 11 lb.in III b L+ L- F1 L+ X1 X3 3TK2803 L- X2 X4 X6 IV a L+ L- F1 L+ X1 X3 X5 3TK2804 L- X2 X4 X6 IV b L+ L- F1 A B L+ X1 X5 3TK2803 L- X2 X4 X6 A B V www.DataSheet4U.com L+ L- F1 3TK2804 L+ X1 X3 X5 13NO Ein ON Bereit Ready 3TK28 L- X2 X4.


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