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  • RoHS Status
  • RS Stock No. 411-2242
  • Brand Siemens
  • Mfr Part No. 3TK28211CB30

Specifications

Function Safety Switch/Interlock
Control Voltage 24 V ac/dc
Depth 120mm
Minimum Operating Temperature -25°C
Reset Method Automatic, Monitored
Auxiliary Contacts NC
Terminal Type Screw
CAD Drawing 3D CAD Model
Number of Channels 1
Contact Current Rating 5 A
Range SIRIUS
Series 3TK28
Supply Voltage 24 V ac/dc
Mounting Style Snap-On
Normal State Configuration 3NO/NC
Number Of Auxiliary Contacts 1
Dimensions 120 x 22.5 x 120 mm
Width 22.5mm
Pole Configuration 3P (Safety), SP (Auxiliary)
Safety Contacts 3NO
Safety Category BG, Category 3 EN 954-1, CSA, EN 60204-1, EN 954-1, EN ISO 12100, IEC 61508, PLc ISO 13849-1, SIL 1 PER IEC 61508, SUVA, UL
Length 120mm
Contact Voltage Rating 230 V ac/dc
Maximum Operating Temperature +60°C
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SIRIUS 3TK28 Safety Relays Basic Units SIRIUS 3TK28 Safety Relay, Basic Units

The SIRIUS safety relays with relay enabling circuits feature positively-driven NO and NC contacts, in pairs, which means if one of the contacts welds, then the other contact is used to shut down the circuit. A positively-driven feedback signal contact (NC contact) detects the fault of the defective NO contact.

EN 60204-1, EN 92, EN 954-1.

Safety Relay


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