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Specification & Description
| 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 |
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.
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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.
Part conditions explained
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