3TK2820-2AL20 Siemens Sirius 3TK28 Safety Relay, Single or Dual Channel, 230 V ac, 3NO Safety
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| Producent | Siemens | | Part Number | 3TK2820-2AL20 (3TK28202AL20) |
| Specifications | Sirius 3TK28 Safety Relay, Single or Dual Channel, 230 V ac, 3NO Safety |
| Unit Price | 195,08 EUR |
| Minimum Order Quantity | 1 |
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| Description | CAD Drawing3D CAD Model Contact Current Rating4 A Contact Voltage Rating230 V ac/dc Control Voltage230 V ac Depth118mm Dimensions111.2 x 22.5 x 118 mm FunctionSafety Switch/Interlock Length111.2mm Mounting StyleSnap On Normal State Configuration3NO/NC Number of Channels1, 2 Pole Configuration4P RangeSIRIUS Safety CategoryCategory 4 EN 954-1, PLe ISO 13849-1, SIL 3 IEC 61508 Safety Contacts3NO Series3TK28 Supply Voltage230 V ac Width22.5mm Product Details SIRIUS 3TK28 Safety Relay, Basic Units The SIRIUS safety relays with relay enabling circuits feature positively-driven NO and NC contacts, in pairs, which means if one of the contacts welds, then the other contact is used to shut down the circuit. A positively-driven feedback signal contact (NC contact) detects the fault of the defective NO contact. Minimum programming time and high degree of user friendliness thanks to parametrisation displayDevice versatility means reduced storage requirementsCompact designElectrically isolated safety outputsCan be used in ambient temperatures up to 70 °CStandard relay enable circuits (positively driven)Suitable for use with Expansion module 3TK28 30 Standards EN 60204-1, EN 92, EN 954-1. Safety Relay |
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