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Siemens 3TK2806-0AC2 AC Safety Contactor with Latching 5 NO 1 NC

Siemens 3TK2806-0AC2 AC safety contactor with self-latching mechanism.

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ManufacturerSiemens

Part number3TK2806-0AC2

Contacts 5 NO + 1 NC

Operation AC

Voltage 24V AC

Frequency 50/60 Hz

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Safety circuit control 5 NO, 1 NC contacts AC 24V operation Self-latching mechanism (K1) Enabling and signaling functionality SIRIUS series

Product description

The Siemens 3TK2806-0AC2 is an advanced safety contactor combination designed for reliable enabling and signaling within safety circuits. It features 5 normally open (NO) and 1 normally closed (NC) contacts, and includes a self-latching mechanism (K1). This unit operates on AC 24V at 50/60 Hz.

This safety contactor is engineered for applications where maintaining a safe state after a trip condition is crucial, such as in emergency stop systems or safety gate monitoring. The self-latching feature ensures the safety state is held until intentionally reset.

Stanlo Automation, a veteran-owned provider of industrial automation surplus, offers the Siemens 3TK2806-0AC2, ensuring you can source dependable safety components for your critical operations.

Technical specifications

Contacts	5 NO + 1 NC
Operation	AC
Voltage	24V AC
Frequency	50/60 Hz
Latching	Self-latching (K1)
Series	3TK28

Common applications

Machine safety

Emergency stop circuits

Safety gate monitoring

Industrial automation

Control panels

Robotic cells

Compatible systems

Control systems requiring safety interlocks with latching Industrial machinery with AC 24V control

Also known as

Siemens 3TK2806-0AC2 safety relay 3TK2806-0AC2 safety contactor with latch

Technical note

Expert tip

The self-latching feature of the 3TK2806-0AC2 requires a specific reset input or procedure to disengage, enhancing safety by preventing unintended restarts.

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Frequently asked questions

What is the function of the self-latching mechanism in the Siemens 3TK2806-0AC2?

The self-latching mechanism (K1) in the Siemens 3TK2806-0AC2 ensures that once activated, the contactor remains in its safety state (e.g., tripped) even if the input signal is removed, preventing accidental re-engagement until a deliberate reset is performed.