Safety Relays

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Part Details Brand Supply Voltage Number of Channels Auxiliary Contacts Function Safety Category ISO 13849-1 SIL IEC 61508 PL ISO 13849-1 Safety Contacts Range Reset Method Terminal Type Series Depth Length Width
Siemens 24 V ac/dc Safety Relay Single Channel with 4 Safety Contacts Siemens 24 V ac/dc 1 - - 4 3 E 4 SIRIUS Automatic, Monitored Screw 3SK1 121.7mm 100mm 22.5mm
Siemens 24 V ac/dc Safety Relay Dual Channel with 2 Safety Contacts Compatible With Safety Switch/Interlock Siemens 24 V ac/dc 2 - Safety Switch/Interlock 4 3 E 2 SIRIUS Monitored Screw 3TK28 115mm 120mm 23mm
Siemens 24 V ac/dc Safety Relay Single Channel with 3 Safety Contacts and 1 Auxilary Contact Siemens 24 V ac/dc 1 1 Safety Switch/Interlock 3 1 C 3 SIRIUS Automatic, Monitored Screw 3TK28 120mm 120mm 22.5mm
Siemens 24 V dc Safety Relay Dual Channel with 3 Safety Contacts 2 Auxilary Contacts Siemens 24 V dc 2 2 Safety Switch/Interlock 4 3 E 3 SIRIUS Automatic, Monitored Screw 3TK28 120mm 138.5mm 44.8mm
Siemens 24 V dc Safety Relay Single Channel with 1 Safety Contact Compatible With Safety Switch/Interlock Siemens 24 V dc 1 - Safety Switch/Interlock 4 3 E 1 SIRIUS Automatic, Monitored Screw 3TK28 88mm 100mm 22.5mm
Siemens 110 → 240 V ac/dc Safety Relay Single Channel with 4 Safety Contacts Siemens 110 → 240 V ac/dc 1 - - 4 3 E 4 SIRIUS Automatic, Monitored Screw 3SK1 121.7mm 100mm 22.5mm
Siemens 24 V ac/dc Safety Relay Single Channel with 3 Safety Contacts and 1 Auxilary Contact Siemens 24 V ac/dc 1 1 Safety Switch/Interlock 3 1 C 3 SIRIUS Automatic, Monitored Cage Clamp 3TK28 120mm 120mm 22.5mm
Siemens 24 V dc Safety Relay Single Channel with 2 Safety Contacts Compatible With Safety Switch/Interlock Siemens 24 V dc 1 - Safety Switch/Interlock 3 1 C 2 SIRIUS Automatic Screw 3TK28 120mm 120mm 22.5mm
Siemens 115 V ac Safety Relay Single or Dual Channel with 2 Safety Contacts Compatible With Safety Switch/Interlock Siemens 115 V ac 1, 2 - Safety Switch/Interlock 3 1 C 2 SIRIUS - - 3TK28 120mm 120mm 22.5mm
Siemens 230 V ac Safety Relay Single or Dual Channel with 2 Safety Contacts Compatible With Safety Switch/Interlock Siemens 230 V ac 1, 2 - Safety Switch/Interlock 3 1 C 2 SIRIUS - - 3TK28 120mm 120mm 22.5mm
Siemens 24 V ac/dc Safety Relay Dual Channel with 2 Safety Contacts Compatible With Safety Switch/Interlock Siemens 24 V ac/dc 2 - Safety Switch/Interlock 4 3 E 2 SIRIUS Automatic Screw 3TK28 120mm 120mm 22.5mm
Siemens 24 V dc Safety Relay Single Channel with 2 Safety Contacts and 1 Auxilary Contact Siemens 24 V dc 1 1 Safety Switch/Interlock, Speed/Standstill Monitoring 4 3 E 2 SIRIUS Automatic Screw 3TK28 120mm 138.5mm 44.8mm
Siemens 230 V ac Safety Relay Dual Channel with 3 Safety Contacts 2 Auxilary Contacts Siemens 230 V ac 2 2 Safety Switch/Interlock 4 3 E 3 SIRIUS Automatic, Monitored Screw 3TK28 120mm 138.5mm 44.8mm
Siemens 24 V ac/dc Safety Relay Single Channel with 2 Safety Contacts Compatible With Safety Switch/Interlock Siemens 24 V ac/dc 1 - Safety Switch/Interlock 3 1 C 2 SIRIUS Automatic Screw 3TK28 120mm 120mm 22.5mm
Siemens 24 V ac/dc Safety Relay Single Channel with 4 Safety Contacts Siemens 24 V ac/dc 1 - - 4 3 E 4 SIRIUS Automatic, Monitored Cage Clamp 3SK1 121.7mm 100mm 22.5mm
Siemens 24 V dc Safety Relay Single Channel with 2 Safety Contacts and 1 Auxilary Contact Siemens 24 V dc 1 1 Safety Switch/Interlock, Speed/Standstill Monitoring 4 3 E 2 SIRIUS Monitored Screw 3TK28 120mm 138.5mm 44.8mm
Siemens 24 V dc Safety Relay Single Channel with 2 Safety Contacts and 1 Auxilary Contact Siemens 24 V dc 1 1 Safety Switch/Interlock, Speed/Standstill Monitoring 4 3 E 2 SIRIUS Automatic Screw 3TK28 120mm 138.5mm 44.8mm
Siemens 24 V dc Safety Relay Single Channel with 2 Safety Contacts and 1 Auxilary Contact Siemens 24 V dc 1 1 Safety Switch/Interlock, Speed/Standstill Monitoring 4 3 E 2 SIRIUS Monitored Screw 3TK28 120mm 138.5mm 44.8mm
Siemens 26.5 → 31.5 V dc Safety Relay with 2 Safety Contacts
  • RS Stock No. 498-937
  • Brand Siemens
  • Mfr. Part No. 3RK1205-0BG-00-0AA2
Siemens 26.5 → 31.5 V dc - - - 4 3 - 2 SIRIUS - Cage Clamp 3RK12 91mm 90mm 22.5mm
Siemens Configurable 24 V dc Safety Relay Single Channel with 4 Safety Contacts Siemens 24 V dc 1 - - 4 3 E 4 SIRIUS Automatic, Monitored Screw 3SK1 121.7mm 100mm 22.5mm
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