Siemens 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 Length Depth Width Configurable
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 100mm 121.7mm 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 100mm 121.7mm 22.5mm -
Siemens Configurable 24 V dc Safety Relay Dual Channel with 4 Safety Contacts and 1 Auxilary Contact Siemens 24 V dc 2 1 Emergency Stop, Light Beam/Curtain, Safety Mat/Edge, Safety Switch/Interlock 4 3 E 4 SIRIUS Automatic Screw 3TK28 138.5mm 120mm 45mm Yes
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 100mm 121.7mm 22.5mm -
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 100mm 88mm 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 138.5mm 120mm 44.8mm -
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 2 D 2 SIRIUS Automatic, Monitored Screw 3TK28 100mm 88mm 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 120mm 115mm 23mm -
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 100mm 121.7mm 22.5mm Yes
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 100mm 121.7mm 22.5mm Yes
Siemens 26.5 → 31.5 V dc Safety Relay with 2 Safety Contacts Siemens 26.5 → 31.5 V dc - - - 4 3 - 2 SIRIUS - Cage Clamp 3RK12 90mm 91mm 22.5mm -
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 138.5mm 120mm 44.8mm -
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 - - 3TK28 120mm 120mm 22.5mm -
Siemens 24 V dc Safety Relay Dual Channel with 4 Safety Contacts Compatible With Two-Hand Control Siemens 24 V dc 2 - Two-Hand Control 4 3 E 4 SIRIUS - - 3TK28 138.5mm 120mm 45mm -
Siemens 24 V dc Safety Relay Single Channel Siemens 24 V dc 1 - - 4 3 E - SIRIUS Automatic, Monitored Screw 3SK1 100mm 91.7mm 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 138.5mm 120mm 44.8mm -
Siemens 24 V dc Safety Relay Single or Dual Channel with 4 Safety Contacts Siemens 24 V dc 1, 2 - Safety Switch/Interlock, Speed/Standstill Monitoring 3 2 D 4 SIRIUS - - 3TK28 138.5mm 120mm 45mm -
Siemens 110 → 240 V ac/dc Safety Relay Siemens 110 → 240 V ac/dc - - - - - - - SIRIUS Automatic Screw 3SK1 100mm 121.7mm 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 Cage Clamp 3SK1 100mm 121.7mm 22.5mm -
Siemens 115 V ac Safety Relay Dual Channel with 4 Safety Contacts Compatible With Two-Hand Control Siemens 115 V ac 2 - Two-Hand Control 4 3 E 4 SIRIUS - - 3TK28 138.5mm 120mm 44.8mm -
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