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Siemens 3TK2830-2AL20 SIRIUS Safety Relay - 230V AC

Siemens 3TK2830-2AL20 SIRIUS Safety Relay with 4 NO EC instantaneous contacts.

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ManufacturerSiemens

Part number3TK2830-2AL20

Type Safety Relay

Manufacturer Siemens

Part Number 3TK2830-2AL20

Series SIRIUS

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4 Instantaneous NO Enabling Circuits 1 NC Retraction Monitoring Contact 230V AC Operation Spring-type Terminals High SIL/PL Capability 22.5 mm Compact Design

Product description

The Siemens 3TK2830-2AL20 is a SIRIUS safety relay designed to monitor safety-related functions in industrial automation. It operates on 230 V AC and features 4 instantaneous normally open (NO) enabling circuits (EC) and 1normally closed (NC) monitoring contact (MK) for retraction. This relay is 22.5 mm wide and utilizes spring-type terminals for easy and secure wiring.

This safety relay is crucial for applications requiring a high level of safety integrity, such as emergency stop circuits, light curtains, and two-hand controls. It is designed to achieve high Safety Integrity Level (SIL) and Performance Level (PL) ratings, ensuring reliable protection for personnel and machinery in industries like automotive, material handling, and general manufacturing.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3TK2830-2AL20. Equip your safety systems with reliable components and benefit from our competitive pricing and prompt service.

Technical specifications

Type	Safety Relay
Manufacturer	Siemens
Part Number	3TK2830-2AL20
Series	SIRIUS
Coil Voltage	230V AC
Enabling Circuits (EC)	4 NO (instantaneous)
Monitoring Contact (MK)	1 NC (for retraction)
Terminal Type	Spring-type
Width	22.5 mm
Max SIL/PL	As basic unit

Common applications

Emergency Stop Circuits

Light Curtains

Two-Hand Controls

Safety Monitoring

Industrial Automation Safety

Machine Guarding

Compatible systems

Emergency stop buttons Safety light curtains Safety mats Two-hand control devices Industrial control systems

Also known as

Siemens SIRIUS 3TK2830 3TK2830 Safety Module

Replaces / compatible with

This safety relay is designed to monitor safety functions and can replace older or equivalent safety relays in applications requiring high SIL/PL ratings. Consult manufacturer documentation for direct replacement guidance.

Technical note

Expert tip

Ensure that the safety signals feeding the enabling circuits are wired correctly and meet the required safety standards to maintain the integrity of the safety function.

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Frequently asked questions

What are the enabling circuit (EC) and monitoring contact (MK) configurations for the Siemens 3TK2830-2AL20?

The Siemens 3TK2830-2AL20 features 4 instantaneous normally open (NO) enabling circuits (EC) and 1 normally closed (NC) monitoring contact (MK) for retraction. This configuration is designed for reliable safety monitoring.