3TK2828-1AB21 Siemens Sirius 3TK28 Safety Relay, Single or Dual Channel, 24 V ac, 4NO Safety
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| Producent | Siemens | | Part Number | 3TK2828-1AB21 (3TK28281AB21) |
| Specifications | Sirius 3TK28 Safety Relay, Single or Dual Channel, 24 V ac, 4NO Safety |
| Unit Price | 378,12 EUR |
| Minimum Order Quantity | 1 |
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| Description | Contact Current Rating5 A Contact Voltage Rating230 V ac/dc Control Voltage24 V ac Depth120mm Dimensions138.5 x 44.8 x 120 mm FunctionSafety Switch/Interlock, Speed/Standstill Monitoring Length138.5mm Mounting StyleScrew Mount, Snap On Normal State Configuration4NO/NC Number of Channels1, 2 Pole Configuration5P RangeSIRIUS Safety CategoryCategory 3 EN 954-1, PLd ISO 13849-1, SIL 2 IEC 61508 Safety Contacts4NO Series3TK28 Supply Voltage24 V ac Width44.8mm Product Details SIRIUS 3TK28 27/28 Safety Relays with Timed Delay The SIRIUS 3TK28 27/28 Safety Relays with Timed Delay provide the functionality of time delayed contacts within a 45mm housing. The time delay is adjustable for each unit. Two different types offer a time delay from 0.05s up to 3s or 0.5s up to 30s. While standard safety contacts in these units are certified up to Category 4, time delayed outputs only reach a Category 3 level according to EN954-1. Standard relay enable circuits (positively driven)Suitable for use with Expansion module 3TK28 30Single/two-channel sensor connectionWidth 45mm Standards EN 60204-1, EN 92, EN 954-1. Safety Relay |
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