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Siemens 3TK2804-0AC2 Safety Contactor - 4 NO, 1NO+1NC AC

Siemens 3TK2804-0AC2 safety contactor with 4 NO and 1NO+1NC contacts.

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ManufacturerSiemens
Part number3TK2804 0AC2
Part Number 3TK2804-0AC2
Manufacturer Siemens
Type Safety Contactor
Function Safety Circuits, Enabling Circuit, Signalling Circuit
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Advanced Safety Circuit Configuration 4 NO + (1 NO + 1 NC) Contacts AC Coil Voltage (24V) Versatile Safety Functions Reliable Interruption

The Siemens 3TK2804-0AC2 is a versatile safety contactor designed for comprehensive safety circuit applications, including enabling and signaling functions. This model offers a complex contact arrangement: four normally open (NO) contacts, plus a combination of one normally open (NO) and one normally closed (NC) contact. It operates on AC voltage, with a coil specification of 24V AC at 50/60 Hz.

This safety contactor is suited for advanced safety control systems requiring multiple safety paths and signaling outputs. It finds application in complex machinery, automated production lines, and safety interlock systems across industries such as automotive, aerospace, and advanced manufacturing where detailed safety interlocks are necessary.

Stanlo Automation, a veteran-owned provider of surplus industrial automation parts, offers the Siemens 3TK2804-0AC2. We help businesses secure reliable, cost-effective solutions for their critical safety infrastructure, ensuring operational safety and compliance through our inventory of quality surplus components.

Part Number3TK2804-0AC2
ManufacturerSiemens
TypeSafety Contactor
FunctionSafety Circuits, Enabling Circuit, Signalling Circuit
Contacts4 NO, 1 NO + 1 NC
OperationAC
Coil Voltage24 V AC
Frequency50/60 Hz
Complex machine safety
Safety interlocks
Automation control panels
Signaling circuits
Industrial safety systems
Safety monitoring relays Safety PLCs AC control power systems Complex automation controls
Siemens safety relay 24V AC Siemens safety switch complex
Designed for advanced safety circuits requiring multiple NO contacts and a mixed NO/NC contact set with AC control voltage.
Expert tip
The 24V AC coil on the 3TK2804-0AC2 requires careful consideration of the control transformer's capacity to ensure stable voltage under load, especially when powering multiple safety circuits.
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What are the contact configurations and coil voltage for the Siemens 3TK2804-0AC2?
The Siemens 3TK2804-0AC2 safety contactor features four normally open (NO) contacts and a combination of one normally open (NO) and one normally closed (NC) contact. It operates with a 24V AC coil voltage at 50/60 Hz.