Siemens 3TK28271BB40Product Attribute Attribute Value Series 3TK Series Supply Voltage 24 VDC UPC Code 4011209385702 Voltage, Control 24 VDC Overview 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
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