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| Producent | Siemens | | Part Number | 3TK28411BB40 (3TK28411BB40) |
| Specifications | Sirius 3TK28 Safety Relay, Single Channel, 24 V dc, 2NO Safety |
| Unit Price | 172,58 EUR |
| Minimum Order Quantity | 1 |
| Tariff No. | |
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| Weight and Dimension | |
| Description | CAD Drawing3D CAD Model Control Voltage24 V dc Depth88mm Dimensions100 x 22.5 x 88 mm FunctionSafety Switch/Interlock Length100mm Maximum Operating Temperature+60°C Minimum Operating Temperature-25°C Mounting StyleSnap On Normal State Configuration2NO Number Of Auxiliary Contacts0 Number of Channels1 Pole Configuration2P (Safety) RangeSIRIUS Reset MethodAutomatic, Monitored Safety CategoryCategory 4 EN 954-1, CSA, EN 50156-1, EN 60204-1, EN 954-1, EN ISO 12100, IEC 61508, PLe ISO 13849-1, SIL 3 PER IEC 61508, TUV, UL Safety Contacts2NO Series3TK28 Supply Voltage24 V dc Terminal TypeScrew Width22.5mm Product Details SIRIUS 3TK28 4 Safety Relay, Single or Dual Channel Evaluation units with sold-state components such as the SIRIUS 3TK28 4 Safety Relay are becoming increasingly established in safety applications, as a considerably higher number of starting operations and electrical life of the devices is achieved with permanent functional checks and consistently wear-free work. The compact and light design of these safety relays also permit series connection or normal operating switching, e.g. through a PLC.If multiple or potential-free enabling circuits are required in an application, the devices can be expanded using the 3TK28 30 expansion units.Permanent function checkingNo wear because switched electronicallyHigh switching frequencyLong electrical enduranceEvaluation of solid-state sensorsSensor lead up to 2000m max.Cascading possibleInsensitive to vibrations and dirtCompact design, low weightApproved for the world marketSuitable for use with Expansion module 3TK28 30Two solid state outputs for interface with PLC'sCross channel monitoring available on all units except stock no. 455-5251Width 22.5 mm Multifunction device 3TK28 45Usual combinations of safety applications, such as EMERGENCY-STOP and protective door monitoring, could only be realized in the past by using several individual safety relays. The SIRIUS 3TK28 45 Safety Relay unifies several functions in a single device. Two solid-state and two relay enabling circuits ensure a quick, safe disconnection in just a few actions. Safety Relay |
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