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Siemens 3TK2805-0BB4 DC Safety Contactor Combination 5 NO 1 NC

Siemens 3TK2805-0BB4 DC safety contactor combination with 5 NO, 1 NC.

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ManufacturerSiemens

Part number3TK2805-0BB4

Contacts 5 NO + 1 NC

Operation DC

Voltage 24V DC

Series 3TK28

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CAGE: 9NK75

Safety circuit control 5 Normally Open, 1 Normally Closed contact DC 24V operation Enabling and signaling functionality SIRIUS series

Product description

The Siemens 3TK2805-0BB4 is a high-performance contactor safety combination engineered for demanding safety circuit applications. It provides 5 normally open (NO) and 1 normally closed (NC) contact, facilitating both enabling and signaling functions. This model operates reliably on DC 24V.

This safety contactor is integral to maintaining safe operating conditions in automated environments. It plays a critical role in emergency stop systems, safety gates, and light curtains, ensuring that machinery powers down safely when required.

Stanlo Automation, a proud veteran-owned business, supplies the Siemens 3TK2805-0BB4 as a quality surplus part, helping you secure essential automation components at competitive prices.

Technical specifications

Contacts	5 NO + 1 NC
Operation	DC
Voltage	24V DC
Series	3TK28

Common applications

Machine safety

Emergency stop circuits

Industrial automation

Control panels

Safety interlocks

Packaging machinery

Compatible systems

Control systems requiring safety interlocks Industrial machinery with DC 24V control voltages

Also known as

Siemens 3TK2805-0BB4 safety relay 3TK2805-0BB4 safety contactor

Technical note

Expert tip

The DC 24V operation of the 3TK2805-0BB4 makes it suitable for systems with dedicated DC control power, often found in specific machine designs.

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Frequently asked questions

What is the voltage and contact rating for the Siemens 3TK2805-0BB4?

The Siemens 3TK2805-0BB4 operates on DC 24V and features a contact arrangement of 5 normally open (NO) and 1 normally closed (NC) contact. It is designed for use in safety circuits for enabling and signaling.