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3TK2825-1BB40

Marvo Stock ID: MV-1I31

£114.59 (ex. VAT)

Siemens

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Specifications

Specification Description
Part Number 3TK2825-1BB40
Manufacturer Siemens
Category Soft Starts
Product Name SIRIUS Safety Relay with Relay Enabling Circuits
Operating Voltage 24V DC
Width 45.0mm
Connection Type Screw terminals
Instantaneous Contacts 3 Normally Open (NO)
Delayed Contacts 0 Normally Open (NO)
Safety Contacts 2 Normally Closed (NC)
Operating Modes Autostart / Monitored Start
Maximum Safety Integrity Level (SIL) 3
Performance Level (PL) e
IP Protection Class (Housing) IP20
IP Protection Class (Connection Terminals) IP20
Insulation Voltage 300V
Ambient Temperature (Storage) -40°C to +80°C
Ambient Temperature (Operation) -25°C to +60°C
Altitude (Installation) Up to 2,000m above sea level
Vibration Resistance 5 to 500 Hz: 0.075 mm
Shock Resistance 8g / 10 ms
Short Circuit Withstand Yes
Safety Category (EN ISO 13849-1) 4
Safety Category (EN 954-1) 4
Hardware Fault Tolerance (IEC 61508) 1
Safety Switch Type (IEC 61508-2) Type A

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3TK2825-1BB40 Product Description

The Siemens 3TK2825-1BB40 Safety Relay is a sophisticated component designed to enhance the safety of industrial automation systems. This relay is part of the SIRIUS range and is engineered to provide reliable service when integrated into emergency stop and protective door monitoring applications. With a 24 V dc operating voltage, the device is equipped with 2NC/3NO contact configurations, offering flexibility for various safety circuit designs.

The compact design, featuring dimensions of 130 mm in height, 130 mm in width, and 50 mm in depth, allows for easy installation in space-constrained environments. The safety relay is also designed for convenience, supporting both screw and snap-on mounting methods, ensuring a secure and straightforward setup.

This safety relay is capable of autostart or monitored start operations, making it versatile for different types of safety applications. It is built to achieve a maximum Safety Integrity Level (SIL) of 3 and conforms to Performance Level (PL) e, according to the latest safety standards. This ensures that the relay can be used in systems that require a high level of reliability and safety.

The 3TK2825-1BB40 is designed with robust screw terminals that accommodate a range of conductor sizes, ensuring a secure and reliable electrical connection. Its electrical durability and mechanical longevity are testament to the quality and reliability that Siemens is known for, making it a trusted choice for safeguarding critical industrial processes.

In summary, the Siemens 3TK2825-1BB40 Safety Relay is a vital component for any industrial safety system, offering dependable protection, versatile functionality, and compliance with stringent safety regulations. Its durable construction and ease of installation make it a top choice for engineers and safety professionals looking to maintain high safety standards in their automation systems.

Frequently Asked Questions

What is the main function of this safety relay?

The Siemens 3TK2825-1BB40 safety relay is designed for emergency stop and protective door monitoring applications. It ensures the safe operation of machinery by monitoring the status of safety devices and initiating a safe stop when necessary.

What are the input voltage and terminal type for this safety relay?

The 3TK2825-1BB40 safety relay operates with a DC 24V input voltage and features screw terminals for secure connections.

What are the contact configurations for this safety relay?

The Siemens 3TK2825-1BB40 safety relay has 3 normally open (NO) instantaneous relay enabling circuits, 0 normally open (NO) delayed relay enabling circuits, and 2 normally closed (NC) monitoring contacts.

What are the start modes available for this safety relay?

The 3TK2825-1BB40 safety relay supports both autostart and monitored start modes, allowing for flexibility in various safety applications.

What is the maximum Safety Integrity Level (SIL) and Performance Level (PL) achievable with this safety relay?

The Siemens 3TK2825-1BB40 safety relay can achieve a maximum Safety Integrity Level (SIL) of 3 and a Performance Level (PL) of E, ensuring a high level of safety performance in your application.

What are the operating temperature and storage temperature ranges for this safety relay?

The 3TK2825-1BB40 safety relay has an operating temperature range of -25°C to +60°C and a storage temperature range of -40°C to +80°C.

What is the IP rating of this safety relay?

The Siemens 3TK2825-1BB40 safety relay has an IP20 rating for both the housing and the connection terminals, providing protection against solid objects larger than 12.5mm and no protection against liquids.