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Siemens - 3TK28272BB40 - Sirius 3TK28 Safety Relay, Single Channel, 24 V dc, 2 Safety, 1 Auxiliary - RS
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3TK2810-1BA42 | Siemens 3TK28 Series Single/Dual-Channel Light Beam/Curtain Safety Relay, 24V dc, 2 Safety Contact(s) | RS
3TK2828-2BB41 | Siemens 3TK28 Series Single/Dual-Channel Two Hand Control Safety Relay, 24V dc, 4 Safety Contact(s) | RS
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Siemens 3TK2825-1AJ20 Sirius 3TK28 Safety Relay Single or Dual Channel 115 V ac 3 Safety : Amazon.in: Industrial & Scientific
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