The Siemens 3TK2827-1AJ20 is a safety relay designed for use in industrial automation applications.It is a mechanical safety relay with relay enabling circuits (EC) and is primarily used for emergency stop functions and protective door monitoring. The device is designed to ensure the safety of personnel and equipment by providing a reliable and fail-safe solution.
Key Features and Specifications
Type:Mechanical safety relay
Voltage: 115V AC
Contacts:
EC instantaneous: 2 NO
EC delayed: 2NO, 0.5...30 s
SC: 1NC monitored start
Width: 45 mm
SIL: 3/2
PL: e/d
Advantages
Safety: Designed to meet the highest safety standards, ensuring the protection of personnel and equipment.
Reliability: Proven reliability and long service life.
Flexibility: Can be configured for various safety functions.
Easy Installation: Simple to install and wire.
Compatibility: Compatible with other Siemens safety components.
Precautions
Installation: Must be installed by a qualified technician in accordance with the manufacturer's instructions.
Wiring: Correct wiring is essential for proper operation and safety.
Maintenance: Regular inspection and maintenance are required to ensure continued safe operation.
Replacement: Only use genuine Siemens replacement parts.
Applications
Emergency stop: Used to quickly stop machinery in case of an emergency.
Protective door monitoring: Ensures that safety doors are closed before the machine can be started.
Safety interlocks: Used to create safety interlocks between different parts of a machine.
Machine guarding: Provides additional safety for personnel working around machinery.
Additional Information
Product Lifecycle: The product has been discontinued as of April 1, 2018. The recommended successor is 3SK1121-1CB42.
Safety Standards: Complies with relevant safety standards, such as IEC 61508.
Summary
The Siemens 3TK2827-1AJ20 is a reliable and versatile safety relay that plays a crucial role in ensuring the safety of industrial processes. While it has been discontinued, it remains a popular choice for many applications due to its proven performance and compatibility with other Siemens components.
If you require a replacement for this product, the Siemens 3SK1121-1CB42 is the recommended successor.
For more detailed information, please refer to the official Siemens product documentation or contact a Siemens authorized distributor.
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