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Siemens 3TK2802-0AL2 Safety Contactor - 1 NO, 1 NC AC

Siemens 3TK2802-0AL2 safety contactor with 1 NO, 1 NC contacts.

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ManufacturerSiemens

Part number3TK2802-0AL2

Part Number 3TK2802-0AL2

Manufacturer Siemens

Type Safety Contactor

Function Safety Circuits, Enabling Circuit, Signalling Circuit

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High Safety Integrity 1 NO + 1 NC Contact Configuration AC Coil Voltage (230/220V) Reliable Safety Interruption Enabling and Signaling Functions

Product description

The Siemens 3TK2802-0AL2 is a safety contactor designed for essential safety functions in industrial automation, serving enabling and signaling circuit roles. This model is equipped with one normally open (NO) and one normally closed (NC) contact. It operates on AC voltage, specifically 230/220V AC at 50/60 Hz, making it suitable for a wide range of power systems.

This safety contactor is vital for applications that demand high reliability in safety control, such as emergency stop circuits, protective interlocks on machine guards, and critical operational shutdown mechanisms. It is commonly found in sectors like automotive manufacturing, packaging, and heavy industrial equipment where personnel safety is paramount.

Stanlo Automation, a veteran-owned provider of surplus industrial automation parts, offers the Siemens 3TK2802-0AL2. We understand the importance of dependable safety components and provide these parts to help businesses maintain operational integrity and safety compliance at a reduced cost.

Technical specifications

Part Number	3TK2802-0AL2
Manufacturer	Siemens
Type	Safety Contactor
Function	Safety Circuits, Enabling Circuit, Signalling Circuit
Contacts	1 NO, 1 NC
Operation	AC
Coil Voltage	230/220 V AC
Frequency	50/60 Hz

Common applications

Emergency stop circuits

Safety interlocks

Machine guarding

Industrial control safety

Automation systems

Compatible systems

Safety monitoring relays Safety PLCs Emergency stop circuits AC control power systems

Also known as

Siemens safety relay 230V AC Siemens 230V safety switch

Replaces / compatible with

Designed for safety-critical functions in machinery and automation systems requiring AC control voltage and a mixed NO/NC contact set.

Technical note

Expert tip

When implementing safety circuits with the 3TK2802-0AL2, ensure the NC contact is wired in series with the enabling signal and that the coil voltage is stable at 230/220V AC for reliable operation.

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Frequently asked questions

What are the voltage and contact specifications for the Siemens 3TK2802-0AL2 safety contactor?

The Siemens 3TK2802-0AL2 safety contactor operates on 230/220V AC at 50/60 Hz and features one normally open (NO) and one normally closed (NC) contact. This configuration is ideal for safety interlock and signaling applications.